Analysis
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max time kernel
117s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
26/03/2024, 19:29
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20240226-en
General
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Target
tmp.exe
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Size
3.7MB
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MD5
b9d77dfafe8d75e173bbea82ba28b61b
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SHA1
c35a8c7a52b10a2f346b3e25b2f289b9ecddf61b
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SHA256
84c20612fe86cf367cdaf229e8be9328c8172b716a8a7fbf1a68f925f1183edf
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SHA512
9b53b6cd61bfda4ef0cc3525b23223eee614a145ce2dc74d7767418f64d39f0a6a80a2857afd7b40ec095f17338e9d862446a2738a55fd019f9518c8f2ab268e
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SSDEEP
98304:bwswYEXMeHiqFld/jSk1systqf6/YXPPOy/0HBkAffZUeDRl+:JEzx5Drf6m0HBRnZUeG
Malware Config
Extracted
redline
5195552529
https://pastebin.com/raw/NgsUAPya
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 5 IoCs
resource yara_rule behavioral1/memory/2524-12-0x0000000000400000-0x0000000000422000-memory.dmp family_redline behavioral1/memory/2524-10-0x0000000000400000-0x0000000000422000-memory.dmp family_redline behavioral1/memory/2524-16-0x0000000000400000-0x0000000000422000-memory.dmp family_redline behavioral1/memory/2524-18-0x0000000000400000-0x0000000000422000-memory.dmp family_redline behavioral1/memory/2524-20-0x0000000000400000-0x0000000000422000-memory.dmp family_redline -
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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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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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 5 pastebin.com 4 pastebin.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2212 set thread context of 2524 2212 tmp.exe 29 -
Program crash 1 IoCs
pid pid_target Process procid_target 2564 2212 WerFault.exe 27 -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2524 RegAsm.exe 2524 RegAsm.exe 2524 RegAsm.exe 2524 RegAsm.exe 2524 RegAsm.exe 2524 RegAsm.exe 2524 RegAsm.exe 2524 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2524 RegAsm.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2212 wrote to memory of 2524 2212 tmp.exe 29 PID 2212 wrote to memory of 2524 2212 tmp.exe 29 PID 2212 wrote to memory of 2524 2212 tmp.exe 29 PID 2212 wrote to memory of 2524 2212 tmp.exe 29 PID 2212 wrote to memory of 2524 2212 tmp.exe 29 PID 2212 wrote to memory of 2524 2212 tmp.exe 29 PID 2212 wrote to memory of 2524 2212 tmp.exe 29 PID 2212 wrote to memory of 2564 2212 tmp.exe 30 PID 2212 wrote to memory of 2564 2212 tmp.exe 30 PID 2212 wrote to memory of 2564 2212 tmp.exe 30 PID 2212 wrote to memory of 2564 2212 tmp.exe 30 PID 2212 wrote to memory of 2524 2212 tmp.exe 29 PID 2212 wrote to memory of 2524 2212 tmp.exe 29 PID 2212 wrote to memory of 2524 2212 tmp.exe 29 PID 2212 wrote to memory of 2524 2212 tmp.exe 29 PID 2212 wrote to memory of 2524 2212 tmp.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 5082⤵
- Program crash
PID:2564
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
68KB
MD529f65ba8e88c063813cc50a4ea544e93
SHA105a7040d5c127e68c25d81cc51271ffb8bef3568
SHA2561ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa
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Filesize
177KB
MD5435a9ac180383f9fa094131b173a2f7b
SHA176944ea657a9db94f9a4bef38f88c46ed4166983
SHA25667dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA5121a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a