Analysis
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max time kernel
63s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2024 21:31
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20240802-en
General
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Target
file.exe
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Size
413KB
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MD5
62d163b5e92c65e84a9625b0e94be1c5
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SHA1
ef0689df30d24aed60c07826c17824e28e60ad8f
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SHA256
3111b931a7221a2b5ba2b0b7a4e6f51ec5f56d9d11aeb318098796ad411968fe
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SHA512
c903ff05e9fb024611af52997b466c20db4974fa129aa3bee8966356be9eae050d22e0a39f6bbe8ca1e3a01d63b481ade17b14ff924c8e570cbf57b8604c0338
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SSDEEP
12288:y1BT0kmtINYhQSAu/962sRCc8Tft79aaTEO:Hh6YhnFsR4TFxnTt
Malware Config
Extracted
vidar
11
c7664db1b2143bb72073c634fc34cfef
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0
Extracted
lumma
Extracted
vidar
11
8b4d47586874b08947203f03e4db3962
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0
Extracted
stealc
default
http://46.8.231.109
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url_path
/c4754d4f680ead72.php
Extracted
lumma
https://questionsmw.store/api
https://soldiefieop.site/api
https://abnomalrkmu.site/api
https://treatynreit.site/api
https://snarlypagowo.site/api
https://mysterisop.site/api
https://absorptioniw.site/api
Signatures
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Detect Vidar Stealer 22 IoCs
resource yara_rule behavioral2/memory/540-4-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/540-8-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/540-10-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/540-20-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/540-21-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/540-37-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/540-38-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/540-54-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/540-61-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/540-79-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/540-80-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/540-87-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/540-88-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4948-122-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4948-126-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4948-124-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4948-220-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4948-230-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4948-248-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/4948-257-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1504-266-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/1504-267-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 3 IoCs
pid Process 2504 KFCFBFHIEB.exe 2916 BKKKFCFIIJ.exe 4448 AKKEGDGCGD.exe -
Loads dropped DLL 2 IoCs
pid Process 540 RegAsm.exe 540 RegAsm.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3896 set thread context of 540 3896 file.exe 84 PID 2504 set thread context of 1468 2504 KFCFBFHIEB.exe 99 PID 2916 set thread context of 4948 2916 BKKKFCFIIJ.exe 100 PID 4448 set thread context of 4520 4448 AKKEGDGCGD.exe 103 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KFCFBFHIEB.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BKKKFCFIIJ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AKKEGDGCGD.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language file.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3596 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 540 RegAsm.exe 540 RegAsm.exe 540 RegAsm.exe 540 RegAsm.exe 540 RegAsm.exe 540 RegAsm.exe 540 RegAsm.exe 540 RegAsm.exe -
Suspicious use of WriteProcessMemory 47 IoCs
description pid Process procid_target PID 3896 wrote to memory of 540 3896 file.exe 84 PID 3896 wrote to memory of 540 3896 file.exe 84 PID 3896 wrote to memory of 540 3896 file.exe 84 PID 3896 wrote to memory of 540 3896 file.exe 84 PID 3896 wrote to memory of 540 3896 file.exe 84 PID 3896 wrote to memory of 540 3896 file.exe 84 PID 3896 wrote to memory of 540 3896 file.exe 84 PID 3896 wrote to memory of 540 3896 file.exe 84 PID 3896 wrote to memory of 540 3896 file.exe 84 PID 3896 wrote to memory of 540 3896 file.exe 84 PID 540 wrote to memory of 2504 540 RegAsm.exe 94 PID 540 wrote to memory of 2504 540 RegAsm.exe 94 PID 540 wrote to memory of 2504 540 RegAsm.exe 94 PID 540 wrote to memory of 2916 540 RegAsm.exe 97 PID 540 wrote to memory of 2916 540 RegAsm.exe 97 PID 540 wrote to memory of 2916 540 RegAsm.exe 97 PID 2504 wrote to memory of 1468 2504 KFCFBFHIEB.exe 99 PID 2504 wrote to memory of 1468 2504 KFCFBFHIEB.exe 99 PID 2504 wrote to memory of 1468 2504 KFCFBFHIEB.exe 99 PID 2504 wrote to memory of 1468 2504 KFCFBFHIEB.exe 99 PID 2504 wrote to memory of 1468 2504 KFCFBFHIEB.exe 99 PID 2504 wrote to memory of 1468 2504 KFCFBFHIEB.exe 99 PID 2504 wrote to memory of 1468 2504 KFCFBFHIEB.exe 99 PID 2504 wrote to memory of 1468 2504 KFCFBFHIEB.exe 99 PID 2504 wrote to memory of 1468 2504 KFCFBFHIEB.exe 99 PID 2916 wrote to memory of 4948 2916 BKKKFCFIIJ.exe 100 PID 2916 wrote to memory of 4948 2916 BKKKFCFIIJ.exe 100 PID 2916 wrote to memory of 4948 2916 BKKKFCFIIJ.exe 100 PID 2916 wrote to memory of 4948 2916 BKKKFCFIIJ.exe 100 PID 2916 wrote to memory of 4948 2916 BKKKFCFIIJ.exe 100 PID 2916 wrote to memory of 4948 2916 BKKKFCFIIJ.exe 100 PID 2916 wrote to memory of 4948 2916 BKKKFCFIIJ.exe 100 PID 2916 wrote to memory of 4948 2916 BKKKFCFIIJ.exe 100 PID 2916 wrote to memory of 4948 2916 BKKKFCFIIJ.exe 100 PID 2916 wrote to memory of 4948 2916 BKKKFCFIIJ.exe 100 PID 540 wrote to memory of 4448 540 RegAsm.exe 101 PID 540 wrote to memory of 4448 540 RegAsm.exe 101 PID 540 wrote to memory of 4448 540 RegAsm.exe 101 PID 4448 wrote to memory of 4520 4448 AKKEGDGCGD.exe 103 PID 4448 wrote to memory of 4520 4448 AKKEGDGCGD.exe 103 PID 4448 wrote to memory of 4520 4448 AKKEGDGCGD.exe 103 PID 4448 wrote to memory of 4520 4448 AKKEGDGCGD.exe 103 PID 4448 wrote to memory of 4520 4448 AKKEGDGCGD.exe 103 PID 4448 wrote to memory of 4520 4448 AKKEGDGCGD.exe 103 PID 4448 wrote to memory of 4520 4448 AKKEGDGCGD.exe 103 PID 4448 wrote to memory of 4520 4448 AKKEGDGCGD.exe 103 PID 4448 wrote to memory of 4520 4448 AKKEGDGCGD.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3896 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:540 -
C:\ProgramData\KFCFBFHIEB.exe"C:\ProgramData\KFCFBFHIEB.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
PID:1468
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C:\ProgramData\BKKKFCFIIJ.exe"C:\ProgramData\BKKKFCFIIJ.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
PID:4948
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C:\ProgramData\AKKEGDGCGD.exe"C:\ProgramData\AKKEGDGCGD.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4448 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
PID:4520 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminDAEHJJECAE.exe"5⤵PID:1696
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C:\Users\AdminDAEHJJECAE.exe"C:\Users\AdminDAEHJJECAE.exe"6⤵PID:1928
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"7⤵PID:4588
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"7⤵PID:1504
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminIECGIEBAEB.exe"5⤵PID:3040
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C:\Users\AdminIECGIEBAEB.exe"C:\Users\AdminIECGIEBAEB.exe"6⤵PID:3304
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"7⤵PID:4332
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CGDGHCBGDHJJ" & exit3⤵PID:4516
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C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:3596
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
336KB
MD5022cc85ed0f56a3f3e8aec4ae3b80a71
SHA1a89b9c39c5f6fcb6e770cea9491bf7a97f0f012d
SHA256bb28bb63ed34a3b4f97a0a26bda8a7a7c60f961010c795007edc52576b89e4d3
SHA512ac549b9cf50e631bae01152db4523fdab55f426ee77177af900b088244665e28de03c10784fe9db33a2478bee0d96bd50e5a668d2a2bfdff3e8706aa8f5d71a2
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Filesize
413KB
MD5237af39f8b579aad0205f6174bb96239
SHA17aad40783be4f593a2883b6a66f66f5f624d4550
SHA256836ce1411f26919f8fb95548d03c2f4dfd658fc525dfe21c7be8ed65f81a5957
SHA512df46993a2029b22cbc88b289398265494c5a8f54ea803e15b7b12f4a7bc98152df298916d341e3c3590329b35a806788ae294bae2e6832f2a2ac426d0145504d
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Filesize
114KB
MD50c1ed087a46b3f71327c7b00a935c342
SHA1149e32ab98b640229886f9daca5fcf93a6a2ed62
SHA256ff39b4812a90876b408365be758c698fd40b7f0b2d6591099e021f7d642ff991
SHA512cc51370dc3ad9ad4c3cd34f18b2c2032d8f9ee8fa90ed8326e40d75c9d9f2c1070170551e4128de2089081c8518f8da048c3c7b9a1bd963b0a21b2f1e64fd3f2
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Filesize
20KB
MD5a603e09d617fea7517059b4924b1df93
SHA131d66e1496e0229c6a312f8be05da3f813b3fa9e
SHA256ccd15f9c7a997ae2b5320ea856c7efc54b5055254d41a443d21a60c39c565cb7
SHA512eadb844a84f8a660c578a2f8e65ebcb9e0b9ab67422be957f35492ff870825a4b363f96fd1c546eaacfd518f6812fcf57268ef03c149e5b1a7af145c7100e2cc
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Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
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Filesize
40KB
MD5a182561a527f929489bf4b8f74f65cd7
SHA18cd6866594759711ea1836e86a5b7ca64ee8911f
SHA25642aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914
SHA5129bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558
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Filesize
116KB
MD5f70aa3fa04f0536280f872ad17973c3d
SHA150a7b889329a92de1b272d0ecf5fce87395d3123
SHA2568d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA51230675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84
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Filesize
11KB
MD5275ac1d72a1ead3379e0fb8d54368c1d
SHA1e412de654e07bfa3d0825c8fe441f3db050dd62a
SHA2562842574cf27787e8cb339bf08c6b0a6ea0a82e8b77bc421611d3093ea4d5e3a1
SHA51259a3af4c13a3e36c0797641e971ecdbeaaa155a029b847c6ef29a4463596003cd516302ec57851e35e01420d90e55c63b513e4c3034562b7a489d443a9013d18
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Filesize
381KB
MD5c7e7cfc3ed17aef6c67c265389593ee3
SHA144aaea45a59f194f33ff435a430fcbd9e7434ad5
SHA2560ddebb36beb37631df17f68a14c90519f93ba7c200c62003527273119442e1ff
SHA5126c5f7a6626aac4b583d1165c4ea3bc69e315cdce94d3e1d3442dc9643e0983f2a80e0495bac79d4aa0e4db309f0aab373d917e6af12ffaad333aba21e16249d2
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619
Filesize471B
MD553531d3b1632c42fbb5282b61f41eb70
SHA13e57dd0a3966162c6bf62d02cef4abcff03c1159
SHA256b949b4e92e2803878a2b71476a58d2cbfd53c95ab7bb1583ce4e77398f135105
SHA51260d25185037c526ac8a8c928891c2ea5fe3a5d8d24fd536b36bdaea07953350aa25c45038c5b0db4166912da3ea502a959dd4de7dd6f602d2d6cdd1d349c73b0
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619
Filesize400B
MD5c1aac79b717655c6e75d1f00e7fc05c4
SHA10d85987427fb720ad459b0c17c1882dbdedf0375
SHA2566c21421d35f987c0a4fbbb9df577564425a5f033d66fc02d059370682d8b985c
SHA51205aaff1f46d1fa1681a287615bcce5c8f80654494e6af07e269f1c12ddfb5fa8eb89623d47fc18571bac0f9636bb61f3c994d8d0204c49b1dffa016944472df9
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Filesize
425B
MD54eaca4566b22b01cd3bc115b9b0b2196
SHA1e743e0792c19f71740416e7b3c061d9f1336bf94
SHA25634ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb
SHA512bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1
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Filesize
33KB
MD5cb32bb3f2ae8e07f64ebfac582eaed88
SHA1cbb21c79b9eed5681c12c96cbe388bd2a769ae63
SHA25637394d678c25229ade57da486bcf284fbe39154e55b96958f4889122075fc488
SHA512b0ba671712f4eb2581604e635457b619f9ea06764c266ffd2b0e28d16bb7f4dda9112d1489fd75e11326b478d4a5dcf2cb9b38b59c7737e4173c87ccde87c656
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Filesize
33KB
MD5eb67881a1af34eae147e9ebfdbe874ce
SHA1d71d1a7b42b01194421b1b3d02ec036fa8d26e54
SHA25685f34d5c469c2532b884f205f5c8586293b78164a933809a8729e4f7bae361b3
SHA512208742f8b4462290a2d04c0dd9e998b898033ee2c938c01f52e034b1e965562fc7a1b7854e9144bc4aaaa501b74c47aaf3b5ee1c6435951ba4385f5cfc50c558