Analysis
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max time kernel
109s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 01:53
Static task
static1
Behavioral task
behavioral1
Sample
b4038ccfae24f669bc0e857e5f0d993f7f516a004db4255e35e61eaecb7b0e1fN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
b4038ccfae24f669bc0e857e5f0d993f7f516a004db4255e35e61eaecb7b0e1fN.exe
Resource
win10v2004-20241007-en
General
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Target
b4038ccfae24f669bc0e857e5f0d993f7f516a004db4255e35e61eaecb7b0e1fN.exe
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Size
414KB
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MD5
821a211a93ab6fc493da0ce159e4cc00
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SHA1
980945a5a5dd106686c0a736ff93ee03458d79f3
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SHA256
b4038ccfae24f669bc0e857e5f0d993f7f516a004db4255e35e61eaecb7b0e1f
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SHA512
79c23cceb316f07a6f8fde9a2c27fb50ed1eedfe4c3840eb47b62086e7d8913b5b6a3e060000ac38a9b92e3b4a3ee61dd744b8141506bb67a265977c99f00c98
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SSDEEP
6144:KL2Oup5EQm3D92bud3mKFBBbNsCNqYZui332NUbR4LiuUxuwCsq+ZX+NXiSbqhIT:K5zQmTou9mKVbzb73GU1rdEUuaY
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/740-2089-0x0000000005540000-0x0000000005572000-memory.dmp family_redline behavioral2/files/0x0009000000023c9d-2094.dat family_redline behavioral2/memory/3896-2103-0x0000000000FF0000-0x0000000001020000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation b4038ccfae24f669bc0e857e5f0d993f7f516a004db4255e35e61eaecb7b0e1fN.exe -
Executes dropped EXE 1 IoCs
pid Process 3896 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 4004 740 WerFault.exe 82 -
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 b4038ccfae24f669bc0e857e5f0d993f7f516a004db4255e35e61eaecb7b0e1fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 740 b4038ccfae24f669bc0e857e5f0d993f7f516a004db4255e35e61eaecb7b0e1fN.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 740 wrote to memory of 3896 740 b4038ccfae24f669bc0e857e5f0d993f7f516a004db4255e35e61eaecb7b0e1fN.exe 86 PID 740 wrote to memory of 3896 740 b4038ccfae24f669bc0e857e5f0d993f7f516a004db4255e35e61eaecb7b0e1fN.exe 86 PID 740 wrote to memory of 3896 740 b4038ccfae24f669bc0e857e5f0d993f7f516a004db4255e35e61eaecb7b0e1fN.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\b4038ccfae24f669bc0e857e5f0d993f7f516a004db4255e35e61eaecb7b0e1fN.exe"C:\Users\Admin\AppData\Local\Temp\b4038ccfae24f669bc0e857e5f0d993f7f516a004db4255e35e61eaecb7b0e1fN.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:740 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3896
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 12922⤵
- Program crash
PID:4004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 740 -ip 7401⤵PID:3048
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
168KB
MD51073b2e7f778788852d3f7bb79929882
SHA17f5ca4d69e0fcaf8fe6de2e80455a8b90eb6e2c4
SHA256c46ef7b768c697e57d379ddfdfd3fb4931bf3d535730ef60feca9332e7a19feb
SHA51290cacc509128f9dfb4d96ae9e847ed61b2062297f39d03f481fb1f798b45b36a2d3a8fe2e6415bdc8ce363cf21decee5a9e080f23270395712da1fea9f4952d0