Analysis
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max time kernel
140s -
max time network
142s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
04-10-2024 13:45
Static task
static1
Behavioral task
behavioral1
Sample
d1bc91bd44a0.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
d1bc91bd44a0.exe
Resource
win7-20240903-en
Behavioral task
behavioral3
Sample
d1bc91bd44a0.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral4
Sample
d1bc91bd44a0.exe
Resource
win11-20240802-en
General
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Target
d1bc91bd44a0.exe
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Size
2.0MB
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MD5
3abcb3be6004e8a635837eae43b97526
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SHA1
89361ec18490b2648bb4e45a3cebadfce46e1ee6
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SHA256
6d335f02de4d26746ced3035a3568a97c035e5bbc7b37ebe767bb5925f32f07a
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SHA512
4e4a36b3f05f3347a8e753a43677a9a1bfae681aad49d468bd50e356600650911fdfd6798f5afbd13fa9c8ede0644ff1495ab4d5f28f45e09a719967731465fd
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SSDEEP
49152:kDASSX9iPo2rTRRme2Nu7l1XApC6TD1rbgoSk2ak+1b:ks/tixTTmewupSLf1rUy
Malware Config
Extracted
vidar
http://proxy.johnmccrea.com/
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
Extracted
lumma
https://clearancek.site/api
https://mobbipenju.store/api
https://eaglepawnoy.store/api
https://dissapoiznw.store/api
https://studennotediw.store/api
https://bathdoomgaz.store/api
https://spirittunek.store/api
Signatures
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Detect Vidar Stealer 13 IoCs
resource yara_rule behavioral1/memory/3796-29-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/3796-31-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/3796-36-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/3796-42-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/3796-43-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/3796-59-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/3796-60-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/3796-89-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/3796-90-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/3796-100-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/3796-102-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/3796-103-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/3796-172-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Executes dropped EXE 4 IoCs
pid Process 3712 Pd3qyNx7NSELdezOZD6ffikN.exe 1820 Kd5B9aaMmPDvVwjd_4TjNYPY.exe 4108 FCFBFBFBKF.exe 4688 AdminHCFBKKEBKE.exe -
Loads dropped DLL 4 IoCs
pid Process 3796 MSBuild.exe 3796 MSBuild.exe 4216 MSBuild.exe 4216 MSBuild.exe -
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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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 26 iplogger.org 27 iplogger.org -
Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 8 ipinfo.io 2 api64.ipify.org 4 api64.ipify.org 7 ipinfo.io -
Suspicious use of SetThreadContext 5 IoCs
description pid Process procid_target PID 1580 set thread context of 3888 1580 d1bc91bd44a0.exe 72 PID 3712 set thread context of 3796 3712 Pd3qyNx7NSELdezOZD6ffikN.exe 76 PID 1820 set thread context of 4216 1820 Kd5B9aaMmPDvVwjd_4TjNYPY.exe 79 PID 4108 set thread context of 2316 4108 FCFBFBFBKF.exe 84 PID 4688 set thread context of 1596 4688 AdminHCFBKKEBKE.exe 89 -
Program crash 5 IoCs
pid pid_target Process procid_target 1404 1580 WerFault.exe 71 1612 1820 WerFault.exe 78 1556 3712 WerFault.exe 75 2748 4108 WerFault.exe 82 3068 4688 WerFault.exe 88 -
System Location Discovery: System Language Discovery 1 TTPs 13 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 MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AdminHCFBKKEBKE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d1bc91bd44a0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Pd3qyNx7NSELdezOZD6ffikN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Kd5B9aaMmPDvVwjd_4TjNYPY.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FCFBFBFBKF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.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 MSBuild.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MSBuild.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2808 timeout.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3796 MSBuild.exe 3796 MSBuild.exe 3796 MSBuild.exe 3796 MSBuild.exe 3796 MSBuild.exe 3796 MSBuild.exe 3796 MSBuild.exe 3796 MSBuild.exe 3796 MSBuild.exe 3796 MSBuild.exe 3796 MSBuild.exe 3796 MSBuild.exe 3796 MSBuild.exe 3796 MSBuild.exe 4216 MSBuild.exe 4216 MSBuild.exe 3796 MSBuild.exe 3796 MSBuild.exe 4216 MSBuild.exe 4216 MSBuild.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1580 wrote to memory of 3888 1580 d1bc91bd44a0.exe 72 PID 1580 wrote to memory of 3888 1580 d1bc91bd44a0.exe 72 PID 1580 wrote to memory of 3888 1580 d1bc91bd44a0.exe 72 PID 1580 wrote to memory of 3888 1580 d1bc91bd44a0.exe 72 PID 1580 wrote to memory of 3888 1580 d1bc91bd44a0.exe 72 PID 1580 wrote to memory of 3888 1580 d1bc91bd44a0.exe 72 PID 1580 wrote to memory of 3888 1580 d1bc91bd44a0.exe 72 PID 1580 wrote to memory of 3888 1580 d1bc91bd44a0.exe 72 PID 1580 wrote to memory of 3888 1580 d1bc91bd44a0.exe 72 PID 1580 wrote to memory of 3888 1580 d1bc91bd44a0.exe 72 PID 3888 wrote to memory of 3712 3888 MSBuild.exe 75 PID 3888 wrote to memory of 3712 3888 MSBuild.exe 75 PID 3888 wrote to memory of 3712 3888 MSBuild.exe 75 PID 3712 wrote to memory of 3796 3712 Pd3qyNx7NSELdezOZD6ffikN.exe 76 PID 3712 wrote to memory of 3796 3712 Pd3qyNx7NSELdezOZD6ffikN.exe 76 PID 3712 wrote to memory of 3796 3712 Pd3qyNx7NSELdezOZD6ffikN.exe 76 PID 3712 wrote to memory of 3796 3712 Pd3qyNx7NSELdezOZD6ffikN.exe 76 PID 3712 wrote to memory of 3796 3712 Pd3qyNx7NSELdezOZD6ffikN.exe 76 PID 3712 wrote to memory of 3796 3712 Pd3qyNx7NSELdezOZD6ffikN.exe 76 PID 3712 wrote to memory of 3796 3712 Pd3qyNx7NSELdezOZD6ffikN.exe 76 PID 3712 wrote to memory of 3796 3712 Pd3qyNx7NSELdezOZD6ffikN.exe 76 PID 3712 wrote to memory of 3796 3712 Pd3qyNx7NSELdezOZD6ffikN.exe 76 PID 3712 wrote to memory of 3796 3712 Pd3qyNx7NSELdezOZD6ffikN.exe 76 PID 3888 wrote to memory of 1820 3888 MSBuild.exe 78 PID 3888 wrote to memory of 1820 3888 MSBuild.exe 78 PID 3888 wrote to memory of 1820 3888 MSBuild.exe 78 PID 1820 wrote to memory of 4216 1820 Kd5B9aaMmPDvVwjd_4TjNYPY.exe 79 PID 1820 wrote to memory of 4216 1820 Kd5B9aaMmPDvVwjd_4TjNYPY.exe 79 PID 1820 wrote to memory of 4216 1820 Kd5B9aaMmPDvVwjd_4TjNYPY.exe 79 PID 1820 wrote to memory of 4216 1820 Kd5B9aaMmPDvVwjd_4TjNYPY.exe 79 PID 1820 wrote to memory of 4216 1820 Kd5B9aaMmPDvVwjd_4TjNYPY.exe 79 PID 1820 wrote to memory of 4216 1820 Kd5B9aaMmPDvVwjd_4TjNYPY.exe 79 PID 1820 wrote to memory of 4216 1820 Kd5B9aaMmPDvVwjd_4TjNYPY.exe 79 PID 1820 wrote to memory of 4216 1820 Kd5B9aaMmPDvVwjd_4TjNYPY.exe 79 PID 1820 wrote to memory of 4216 1820 Kd5B9aaMmPDvVwjd_4TjNYPY.exe 79 PID 3796 wrote to memory of 4108 3796 MSBuild.exe 82 PID 3796 wrote to memory of 4108 3796 MSBuild.exe 82 PID 3796 wrote to memory of 4108 3796 MSBuild.exe 82 PID 4108 wrote to memory of 2316 4108 FCFBFBFBKF.exe 84 PID 4108 wrote to memory of 2316 4108 FCFBFBFBKF.exe 84 PID 4108 wrote to memory of 2316 4108 FCFBFBFBKF.exe 84 PID 4108 wrote to memory of 2316 4108 FCFBFBFBKF.exe 84 PID 4108 wrote to memory of 2316 4108 FCFBFBFBKF.exe 84 PID 4108 wrote to memory of 2316 4108 FCFBFBFBKF.exe 84 PID 4108 wrote to memory of 2316 4108 FCFBFBFBKF.exe 84 PID 4108 wrote to memory of 2316 4108 FCFBFBFBKF.exe 84 PID 4108 wrote to memory of 2316 4108 FCFBFBFBKF.exe 84 PID 4216 wrote to memory of 1508 4216 MSBuild.exe 86 PID 4216 wrote to memory of 1508 4216 MSBuild.exe 86 PID 4216 wrote to memory of 1508 4216 MSBuild.exe 86 PID 1508 wrote to memory of 4688 1508 cmd.exe 88 PID 1508 wrote to memory of 4688 1508 cmd.exe 88 PID 1508 wrote to memory of 4688 1508 cmd.exe 88 PID 4688 wrote to memory of 1596 4688 AdminHCFBKKEBKE.exe 89 PID 4688 wrote to memory of 1596 4688 AdminHCFBKKEBKE.exe 89 PID 4688 wrote to memory of 1596 4688 AdminHCFBKKEBKE.exe 89 PID 4688 wrote to memory of 1596 4688 AdminHCFBKKEBKE.exe 89 PID 4688 wrote to memory of 1596 4688 AdminHCFBKKEBKE.exe 89 PID 4688 wrote to memory of 1596 4688 AdminHCFBKKEBKE.exe 89 PID 4688 wrote to memory of 1596 4688 AdminHCFBKKEBKE.exe 89 PID 4688 wrote to memory of 1596 4688 AdminHCFBKKEBKE.exe 89 PID 4688 wrote to memory of 1596 4688 AdminHCFBKKEBKE.exe 89 PID 3796 wrote to memory of 4900 3796 MSBuild.exe 91 PID 3796 wrote to memory of 4900 3796 MSBuild.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\d1bc91bd44a0.exe"C:\Users\Admin\AppData\Local\Temp\d1bc91bd44a0.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Users\Admin\Documents\iofolko5\Pd3qyNx7NSELdezOZD6ffikN.exeC:\Users\Admin\Documents\iofolko5\Pd3qyNx7NSELdezOZD6ffikN.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3712 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"4⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3796 -
C:\ProgramData\FCFBFBFBKF.exe"C:\ProgramData\FCFBFBFBKF.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4108 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"6⤵
- System Location Discovery: System Language Discovery
PID:2316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4108 -s 2366⤵
- Program crash
PID:2748
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IIIECAAKECFH" & exit5⤵
- System Location Discovery: System Language Discovery
PID:4900 -
C:\Windows\SysWOW64\timeout.exetimeout /t 106⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2808
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3712 -s 2444⤵
- Program crash
PID:1556
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C:\Users\Admin\Documents\iofolko5\Kd5B9aaMmPDvVwjd_4TjNYPY.exeC:\Users\Admin\Documents\iofolko5\Kd5B9aaMmPDvVwjd_4TjNYPY.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"4⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4216 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminHCFBKKEBKE.exe"5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Users\AdminHCFBKKEBKE.exe"C:\Users\AdminHCFBKKEBKE.exe"6⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4688 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"7⤵
- System Location Discovery: System Language Discovery
PID:1596
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 2567⤵
- Program crash
PID:3068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 2444⤵
- Program crash
PID:1612
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1580 -s 2482⤵
- Program crash
PID:1404
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
6KB
MD5206fd7e45f632fe3a57c07cd693b6da9
SHA1ba0ffdca99979cc72aaee0128b033f3591812087
SHA2569fbd0e47f405173a0dfab793183953736b00d9bb4413ee65d3f0fe9f7f7bd130
SHA512f0ab86c85f49f00806f16443a7f58bbf8392e089ebdb9bd4607355217f482fdaa2c442b0bd6639486119b4a743fd23a6cd80eee9b3ccea881fd28e58ed7b80ed
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Filesize
92KB
MD53daad470df391b2f80f1355a73f49b47
SHA1fd3d71f1d5bcca2c56518cdb061fc1e0a2465dec
SHA256a0732dc29331aee2809c08b9dd1bbddcfd6badc2b90a932b1e5c220d573e7b08
SHA512a03c5c17710c1ecafebca8b3066db41e1d682a619162da61d12f7f84c8ead35b49b6f390a473e23c41baff6072ffc6000a52345d5a1f73371b8711f470216b6a
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Filesize
518KB
MD56c7d97ae1b013c0b5aba8ca2186fda7e
SHA1505ddef1e6bb7d132615a25c51d7094a7ef1807a
SHA256c68856eee73796bc835c205be54888e3c99caf983dc5d35aedf2981fd41be527
SHA512a8a886494e276dd07f2e497784b84552c03e8b1397dc30c8bfdf720e9c36bd422b9dab339527abff43c46b12e6561154942087a3a3736575c74315d6a5e64df9
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Filesize
4KB
MD55ea4919025090d4f0347abd7b1177163
SHA1d1f0b69d5b6e2c675ade8a87545b47c270023f7b
SHA256ab8d315c3faf73e26f55924541e8439022d76f3629853b028d9bddef9cd709cd
SHA5121d3eeedb1722ba552d1994a2beaa8742a628fac7fc9b496ec07df2667ff135efb58e71291e71b35aab1520fcf2b2fb68e49af3d4799f7bb35339c2de14945477
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Filesize
1024B
MD585414e833687ab4cce762d248d6d5bd2
SHA167a548684b7f5940d1292f5b715469f2a537d20d
SHA256adc79a4f50ed3557b42c04cb30a38c0b22fa268d5c087e22e23aa112a339bf30
SHA51250a7fa45029c6ee46459a799ef19f381c48e8904bcd75865e5f9fcfef2e8b6006681ef03c37137a97e6afb00ea737d45fe7e573ee5c424b77de405491b99cdfd
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Filesize
473KB
MD52b7045094692bc5dd208cd1e195a6128
SHA14830718ca327e4717d42586579d7311387c04853
SHA25653f74c71c625da6b7ff77c3a61aad3be0ff4a7199ee447c57c0d12dbbfaccf32
SHA51257374d733a732b5a70ca79115f8107967ef9d5e36f58799f963494cd541486bf911c457fd667553c56dc5217b9d103d7ab55c71b4585a0056b6b70eeb7069003
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Filesize
550KB
MD533f127e35338687a1a64f67fa6ed3b9a
SHA1672dc4d194a5ffe2fd5c23b411bca7b99647ebd2
SHA25660bd16249ed2f24c98380920cb581f447a806541827d4eb2a5c1e889b9379c30
SHA512c50878d3cb82e12384f1a1c214d9bec19dc7e0e54285336261837a4c92aa42fd9068ec27c6d0361e60935b097a59d3262c4295c6660eaabb57503e4a2f82b4c8
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571