Analysis
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max time kernel
129s -
max time network
299s -
platform
windows10-1703_x64 -
resource
win10-20240611-en -
resource tags
arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system -
submitted
19-09-2024 22:40
Static task
static1
Behavioral task
behavioral1
Sample
a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe
Resource
win10-20240611-en
General
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Target
a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe
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Size
292KB
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MD5
d0263e1e29b4f202bffd383f136395c4
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SHA1
24a701fe63e5b6d31c103db118ca21a75ed4496b
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SHA256
a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd
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SHA512
2d8af02d8bf2b8eb09c15a87e2c2cbcd7d34c619180e6dca29be3fd43108a0e993ab7aad418a2ecb2bb2e0792f382bb8b79dc85537f5bb7da1fdd7673e41339f
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SSDEEP
6144:Pz7IsdCrg45NVyLuYKq0sda9en510jjPvn7D/eFwF+0VSyEO:PfeNNUqnqf10nvn7DeFcRSyEO
Malware Config
Extracted
vidar
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Signatures
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Detect Vidar Stealer 21 IoCs
resource yara_rule behavioral2/memory/4284-7-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4284-9-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4284-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4284-28-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4284-29-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4284-38-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4284-39-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4284-47-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4284-48-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4284-73-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4284-74-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4284-81-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/4284-82-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5020-113-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5020-117-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5020-115-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5020-127-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5020-128-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5020-136-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5020-144-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/5020-146-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 4416 GIEGHJEGHJ.exe 4840 ECFHIJKJKF.exe -
Loads dropped DLL 2 IoCs
pid Process 4284 RegAsm.exe 4284 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 2 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 3 IoCs
description pid Process procid_target PID 4472 set thread context of 4284 4472 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 73 PID 4416 set thread context of 4852 4416 GIEGHJEGHJ.exe 78 PID 4840 set thread context of 5020 4840 ECFHIJKJKF.exe 81 -
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 ECFHIJKJKF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GIEGHJEGHJ.exe -
Checks processor information in registry 2 TTPs 4 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 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 2260 timeout.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 4284 RegAsm.exe 4284 RegAsm.exe 4284 RegAsm.exe 4284 RegAsm.exe 4284 RegAsm.exe 4284 RegAsm.exe 4284 RegAsm.exe 4284 RegAsm.exe 4284 RegAsm.exe 4284 RegAsm.exe 5020 RegAsm.exe 5020 RegAsm.exe 5020 RegAsm.exe 5020 RegAsm.exe 5020 RegAsm.exe 5020 RegAsm.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 4472 wrote to memory of 4992 4472 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 72 PID 4472 wrote to memory of 4992 4472 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 72 PID 4472 wrote to memory of 4992 4472 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 72 PID 4472 wrote to memory of 4284 4472 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 73 PID 4472 wrote to memory of 4284 4472 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 73 PID 4472 wrote to memory of 4284 4472 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 73 PID 4472 wrote to memory of 4284 4472 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 73 PID 4472 wrote to memory of 4284 4472 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 73 PID 4472 wrote to memory of 4284 4472 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 73 PID 4472 wrote to memory of 4284 4472 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 73 PID 4472 wrote to memory of 4284 4472 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 73 PID 4472 wrote to memory of 4284 4472 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 73 PID 4472 wrote to memory of 4284 4472 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 73 PID 4284 wrote to memory of 4416 4284 RegAsm.exe 75 PID 4284 wrote to memory of 4416 4284 RegAsm.exe 75 PID 4284 wrote to memory of 4416 4284 RegAsm.exe 75 PID 4416 wrote to memory of 4852 4416 GIEGHJEGHJ.exe 78 PID 4416 wrote to memory of 4852 4416 GIEGHJEGHJ.exe 78 PID 4416 wrote to memory of 4852 4416 GIEGHJEGHJ.exe 78 PID 4416 wrote to memory of 4852 4416 GIEGHJEGHJ.exe 78 PID 4416 wrote to memory of 4852 4416 GIEGHJEGHJ.exe 78 PID 4416 wrote to memory of 4852 4416 GIEGHJEGHJ.exe 78 PID 4416 wrote to memory of 4852 4416 GIEGHJEGHJ.exe 78 PID 4416 wrote to memory of 4852 4416 GIEGHJEGHJ.exe 78 PID 4416 wrote to memory of 4852 4416 GIEGHJEGHJ.exe 78 PID 4284 wrote to memory of 4840 4284 RegAsm.exe 79 PID 4284 wrote to memory of 4840 4284 RegAsm.exe 79 PID 4284 wrote to memory of 4840 4284 RegAsm.exe 79 PID 4840 wrote to memory of 5020 4840 ECFHIJKJKF.exe 81 PID 4840 wrote to memory of 5020 4840 ECFHIJKJKF.exe 81 PID 4840 wrote to memory of 5020 4840 ECFHIJKJKF.exe 81 PID 4840 wrote to memory of 5020 4840 ECFHIJKJKF.exe 81 PID 4840 wrote to memory of 5020 4840 ECFHIJKJKF.exe 81 PID 4840 wrote to memory of 5020 4840 ECFHIJKJKF.exe 81 PID 4840 wrote to memory of 5020 4840 ECFHIJKJKF.exe 81 PID 4840 wrote to memory of 5020 4840 ECFHIJKJKF.exe 81 PID 4840 wrote to memory of 5020 4840 ECFHIJKJKF.exe 81 PID 4840 wrote to memory of 5020 4840 ECFHIJKJKF.exe 81 PID 4284 wrote to memory of 1740 4284 RegAsm.exe 82 PID 4284 wrote to memory of 1740 4284 RegAsm.exe 82 PID 4284 wrote to memory of 1740 4284 RegAsm.exe 82 PID 1740 wrote to memory of 2260 1740 cmd.exe 84 PID 1740 wrote to memory of 2260 1740 cmd.exe 84 PID 1740 wrote to memory of 2260 1740 cmd.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe"C:\Users\Admin\AppData\Local\Temp\a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:4992
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4284 -
C:\ProgramData\GIEGHJEGHJ.exe"C:\ProgramData\GIEGHJEGHJ.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4416 -
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:4852
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C:\ProgramData\ECFHIJKJKF.exe"C:\ProgramData\ECFHIJKJKF.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4840 -
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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:5020
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JEHIJJKEGHJJ" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2260
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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
148KB
MD590a1d4b55edf36fa8b4cc6974ed7d4c4
SHA1aba1b8d0e05421e7df5982899f626211c3c4b5c1
SHA2567cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c
SHA512ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2
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Filesize
293KB
MD56d1999f1096cee3f06507e0d896d7c4a
SHA1947cde63e799d23622468caecd0172a4ce8e8c17
SHA2566f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c
SHA512eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1
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Filesize
355KB
MD5731a25a9b1f2c31056f7bd75c71deac4
SHA1ac95005a75add78f8226e553ff3bb32bcfeef1ea
SHA256d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d
SHA512efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize2KB
MD54c4bf9e4d624f1045d8f73ed7f97dc3e
SHA11d78800f4a780fc6f75a778faeed2baaf84f2206
SHA2566dcfee83067db655225002d6ee68c1948d82de8a4b488355fbdee6fce73638db
SHA5124c950580ec4fb088382f066948964846bbee5d575eac1f70253e5adc3c09f071d398c1b6eb42fb2a00e017ba2a344ef6709c6f321a5b38db8bd39933989494bb
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize2KB
MD57ec05ad5ad4ea2f59d78a181b608dfb1
SHA195dfcb1ca8c7c6353bfc940c79f877d491158faa
SHA256197a38efa533f9ff60b730cbc9b5fb604893e8dfb08a9ba85f0e5424779e3759
SHA512da07b1ce6b278f20a93cfb83107be1a96bd134657be71f31b314e981ae9f85a8db50ae10458612bd460baca5e9402d5bce61b11ed648b191be42882273b8c00a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize1KB
MD59ea353ed4fed6ed641da2a1a1e66cbf3
SHA142cf55d3608819795042c23df5f18fcd2b6b0c58
SHA2565245794a9cb70971f00a51f56b8b5305d16629c4d0d0e95916371a20a6119485
SHA5127476acf575e998c56bae27703d635c82a5cfd43f736b9618ec430168148f25d79c97ca344670298b51956ca0b3707d6499ef5865fe1b933acb948dddc822d05e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD51bdc6d34b224973a4fe2b9ff746da9d6
SHA1ae6266c5ba9cc515487ac4344061e17268e90809
SHA256d03a471d17cdd8af8e64348e8de1af845245aa0d60a0c640970ab795fd6d3424
SHA512a9cc0c06b2cc8dedbe75cfedce3bea9b5689eaa88a343304aa0960bf979791e4ccf9b6d2bc6a878f54093138020c81be1b3fb4b7a1c07c202bc0bc6f2ef3f698
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD508fd146ba72de192c39ec53feb211257
SHA1726926b1262f8f31dfc1d4790c64107f7df3137a
SHA2563c733ee0cba06a99a5ea45a62668fcb6c28df77ce061cfb7b3917451a1700c52
SHA5125ff76557882c96c3e68907048d4cb761db547493080aa8e7c24d4049df5485156b224d2ca679410cab205230934cbc72d74dd8c144656ab8c8ab86dad4728a18
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD554a95e100a1dcf242a725593a5f6619a
SHA1059d29a8fe6c1e004bc18748e6a6d0e8ff938d43
SHA256c3d1504d3bc30b96a94cb09920b7b9182110c754b65d466a23c925019603712c
SHA5120dc418cc4395a8adcd61957c79f24affdc733194600f2cd4402ec5402a7a88dcdde59eeab336faf652c033eaba83f057ae0d0f6681fae7beb025b8561ba23ad0
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Filesize
102B
MD501c88d11e162ca76a52731855dede195
SHA1b0560cd48b61a068922f90cd2a2acb175a38fef3
SHA256ae38c849ef17345aa43d524b13a10ef107e3ed7fef457e05559db92c18bba77b
SHA5129dcb9761190bed3a993bcdd76189813df0a59ebd0b3d4fbc17e228cb06534d2610ffd345599bb849b5835d2eef23742932707558cf6d84f9bc666c38a7ff63bf
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571