Analysis
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max time kernel
137s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-11-2024 10:19
Static task
static1
Behavioral task
behavioral1
Sample
c92ea7d25f9aff0f3979b880fe2aad8b49bed2b7922e24bda7d7db04962cea3eN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c92ea7d25f9aff0f3979b880fe2aad8b49bed2b7922e24bda7d7db04962cea3eN.exe
Resource
win10v2004-20241007-en
General
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Target
c92ea7d25f9aff0f3979b880fe2aad8b49bed2b7922e24bda7d7db04962cea3eN.exe
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Size
426KB
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MD5
5cd957abc84eba00522a29ae7b9c23c0
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SHA1
250ec8486d943bf92e8106cddc603199968fc0ca
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SHA256
c92ea7d25f9aff0f3979b880fe2aad8b49bed2b7922e24bda7d7db04962cea3e
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SHA512
2a6349bddc8e55db1abe7735bd7096a69c58691553c187a1271ed6af4229580b458bde0940511f01c0b6b7b9a0fcb76475889ee7a009d1158e36677c71062793
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SSDEEP
12288:obvE6fKePak2ohwTeR8N51jWy7ZOdHn3te:Qc6fXws8N51jWy7ctn3
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/1400-2089-0x0000000005540000-0x0000000005572000-memory.dmp family_redline behavioral2/files/0x000d000000023b79-2094.dat family_redline behavioral2/memory/2384-2103-0x00000000008B0000-0x00000000008E0000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation c92ea7d25f9aff0f3979b880fe2aad8b49bed2b7922e24bda7d7db04962cea3eN.exe -
Executes dropped EXE 1 IoCs
pid Process 2384 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 4012 1400 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 1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c92ea7d25f9aff0f3979b880fe2aad8b49bed2b7922e24bda7d7db04962cea3eN.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1400 c92ea7d25f9aff0f3979b880fe2aad8b49bed2b7922e24bda7d7db04962cea3eN.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1400 wrote to memory of 2384 1400 c92ea7d25f9aff0f3979b880fe2aad8b49bed2b7922e24bda7d7db04962cea3eN.exe 86 PID 1400 wrote to memory of 2384 1400 c92ea7d25f9aff0f3979b880fe2aad8b49bed2b7922e24bda7d7db04962cea3eN.exe 86 PID 1400 wrote to memory of 2384 1400 c92ea7d25f9aff0f3979b880fe2aad8b49bed2b7922e24bda7d7db04962cea3eN.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\c92ea7d25f9aff0f3979b880fe2aad8b49bed2b7922e24bda7d7db04962cea3eN.exe"C:\Users\Admin\AppData\Local\Temp\c92ea7d25f9aff0f3979b880fe2aad8b49bed2b7922e24bda7d7db04962cea3eN.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2384
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 13002⤵
- Program crash
PID:4012
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1400 -ip 14001⤵PID:5048
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
168KB
MD51073b2e7f778788852d3f7bb79929882
SHA17f5ca4d69e0fcaf8fe6de2e80455a8b90eb6e2c4
SHA256c46ef7b768c697e57d379ddfdfd3fb4931bf3d535730ef60feca9332e7a19feb
SHA51290cacc509128f9dfb4d96ae9e847ed61b2062297f39d03f481fb1f798b45b36a2d3a8fe2e6415bdc8ce363cf21decee5a9e080f23270395712da1fea9f4952d0