Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11-03-2024 13:35
Behavioral task
behavioral1
Sample
kcHayiwhi.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
kcHayiwhi.exe
Resource
win10v2004-20240226-en
General
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Target
kcHayiwhi.exe
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Size
948KB
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MD5
1f5d33b971e55161344c939113e5e319
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SHA1
da15607e443200fa55d7d0a174db42fbd3e79039
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SHA256
2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636
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SHA512
438ecb39c80cc618b813bef917eddcb268b9ec15f6518f7dbb50187fae37601c0ddc8d847f34a462b4628dca2db458b253171e64a723b15701397dc86f9a1139
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SSDEEP
24576:djdIX5Ea8gGNkPRCrYJBSTagnZ3juezrkIUhjmjbdTh7:fIPRPKauu0rYh8bdd
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.sturmsgroup.com - Port:
587 - Username:
[email protected] - Password:
ipvN$BhoDv7c(DqD - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect ZGRat V1 34 IoCs
Processes:
resource yara_rule behavioral1/memory/2004-4-0x0000000004BD0000-0x0000000004C8A000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-5-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-6-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-8-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-10-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-12-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-14-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-16-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-18-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-20-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-22-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-26-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-28-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-32-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-34-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-38-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-42-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-46-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-50-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-54-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-56-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-60-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-64-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-68-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-66-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-62-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-58-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-52-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-48-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-44-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-40-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-36-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-30-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 behavioral1/memory/2004-24-0x0000000004BD0000-0x0000000004C83000-memory.dmp family_zgrat_v1 -
PureLog Stealer
PureLog Stealer is an infostealer written in C#.
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PureLog Stealer payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2004-0-0x0000000000D10000-0x0000000000E04000-memory.dmp family_purelog_stealer -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
kcHayiwhi.exedescription pid process target process PID 2004 set thread context of 1576 2004 kcHayiwhi.exe kcHayiwhi.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kcHayiwhi.exepid process 1576 kcHayiwhi.exe 1576 kcHayiwhi.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
kcHayiwhi.exekcHayiwhi.exedescription pid process Token: SeDebugPrivilege 2004 kcHayiwhi.exe Token: SeDebugPrivilege 1576 kcHayiwhi.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
kcHayiwhi.exedescription pid process target process PID 2004 wrote to memory of 1576 2004 kcHayiwhi.exe kcHayiwhi.exe PID 2004 wrote to memory of 1576 2004 kcHayiwhi.exe kcHayiwhi.exe PID 2004 wrote to memory of 1576 2004 kcHayiwhi.exe kcHayiwhi.exe PID 2004 wrote to memory of 1576 2004 kcHayiwhi.exe kcHayiwhi.exe PID 2004 wrote to memory of 1576 2004 kcHayiwhi.exe kcHayiwhi.exe PID 2004 wrote to memory of 1576 2004 kcHayiwhi.exe kcHayiwhi.exe PID 2004 wrote to memory of 1576 2004 kcHayiwhi.exe kcHayiwhi.exe PID 2004 wrote to memory of 1576 2004 kcHayiwhi.exe kcHayiwhi.exe PID 2004 wrote to memory of 1576 2004 kcHayiwhi.exe kcHayiwhi.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\kcHayiwhi.exe"C:\Users\Admin\AppData\Local\Temp\kcHayiwhi.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004 -
C:\Users\Admin\AppData\Local\Temp\kcHayiwhi.exeC:\Users\Admin\AppData\Local\Temp\kcHayiwhi.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1576