Analysis
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max time kernel
109s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10/11/2024, 22:58
Static task
static1
Behavioral task
behavioral1
Sample
a8931f96e096b1943da5c29728e3aa6fbff60b3330246b59e1e7e026c6687cbbN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
a8931f96e096b1943da5c29728e3aa6fbff60b3330246b59e1e7e026c6687cbbN.exe
Resource
win10v2004-20241007-en
General
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Target
a8931f96e096b1943da5c29728e3aa6fbff60b3330246b59e1e7e026c6687cbbN.exe
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Size
415KB
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MD5
c249b0a93f7bba2f3a49c644e98f09f6
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SHA1
0bf1e8bf1a10d2b10761df2084660bc1637bc2ca
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SHA256
a9635dcb9adf2fcbf547a4d35a9d8f6a6daedce4a791925e72a0fe4e04f4a40a
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SHA512
044f74797888d8011fa626a250ecdcfdcff067b79aa4f773dcc93c97e0c9fc71cb4ea6212fc011dfb3658ae6840fb8ee89a6d41d09654599e9e8de6b5b25a00a
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SSDEEP
6144:cWa1OEXyUoC1RkhRAdv7weEZ3FpTo3Gt3q7Z+r8vkDHz9APLcLYo6aMzyFs30TP:cWt/UoMiVB3FpgGVqcr8voO8P
Malware Config
Extracted
redline
norm
77.91.124.145:4125
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auth_value
1514e6c0ec3d10a36f68f61b206f5759
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 3 IoCs
resource yara_rule behavioral2/memory/316-2089-0x0000000005540000-0x0000000005572000-memory.dmp family_redline behavioral2/files/0x0002000000022b11-2094.dat family_redline behavioral2/memory/3376-2102-0x00000000000D0000-0x0000000000100000-memory.dmp family_redline -
Redline family
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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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation a8931f96e096b1943da5c29728e3aa6fbff60b3330246b59e1e7e026c6687cbbN.exe -
Executes dropped EXE 1 IoCs
pid Process 3376 1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 6048 316 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 a8931f96e096b1943da5c29728e3aa6fbff60b3330246b59e1e7e026c6687cbbN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 316 a8931f96e096b1943da5c29728e3aa6fbff60b3330246b59e1e7e026c6687cbbN.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 316 wrote to memory of 3376 316 a8931f96e096b1943da5c29728e3aa6fbff60b3330246b59e1e7e026c6687cbbN.exe 86 PID 316 wrote to memory of 3376 316 a8931f96e096b1943da5c29728e3aa6fbff60b3330246b59e1e7e026c6687cbbN.exe 86 PID 316 wrote to memory of 3376 316 a8931f96e096b1943da5c29728e3aa6fbff60b3330246b59e1e7e026c6687cbbN.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\a8931f96e096b1943da5c29728e3aa6fbff60b3330246b59e1e7e026c6687cbbN.exe"C:\Users\Admin\AppData\Local\Temp\a8931f96e096b1943da5c29728e3aa6fbff60b3330246b59e1e7e026c6687cbbN.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:316 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 316 -s 11082⤵
- Program crash
PID:6048
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 316 -ip 3161⤵PID:5296
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
168KB
MD51073b2e7f778788852d3f7bb79929882
SHA17f5ca4d69e0fcaf8fe6de2e80455a8b90eb6e2c4
SHA256c46ef7b768c697e57d379ddfdfd3fb4931bf3d535730ef60feca9332e7a19feb
SHA51290cacc509128f9dfb4d96ae9e847ed61b2062297f39d03f481fb1f798b45b36a2d3a8fe2e6415bdc8ce363cf21decee5a9e080f23270395712da1fea9f4952d0