Analysis
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max time kernel
122s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
12-12-2023 01:55
Static task
static1
Behavioral task
behavioral1
Sample
chima(1).exe
Resource
win7-20231129-en
General
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Target
chima(1).exe
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Size
647KB
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MD5
cceace4ecb1be92ee5deca9952a4235d
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SHA1
43d2e15471c65b8fd68585e611f74d82f3f02c35
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SHA256
abdca3519d0c75bbdf734fbefc073a7add76a9cd0a3d07874ddec16edd5fdaf0
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SHA512
90f0a2d4a376d5972e9437ca92f18fabdf2eb8eddc4c8d33ba7f5b1402d2644c8af6dd474d335c29994b66d270e0da45f39187c729d53ead4838e2dd746c73ca
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SSDEEP
12288:Zw3IU8S6eUdjbB9vq53fUQXELfc9J8/So1lpsXWGfV21enBdGSfzazJvUJHe:ZOItSAdPI3f3XSk9y/HlpsXWGd2IBd/P
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.acestar.com.ph - Port:
587 - Username:
[email protected] - Password:
cssubic@12345 - 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 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3984-6-0x0000000005050000-0x0000000005068000-memory.dmp family_zgrat_v1 -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 49 api.ipify.org 50 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chima(1).exedescription pid process target process PID 3984 set thread context of 1508 3984 chima(1).exe RegSvcs.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2468 1508 WerFault.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
chima(1).exeRegSvcs.exepid process 3984 chima(1).exe 3984 chima(1).exe 1508 RegSvcs.exe 1508 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
chima(1).exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 3984 chima(1).exe Token: SeDebugPrivilege 1508 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
chima(1).exedescription pid process target process PID 3984 wrote to memory of 1508 3984 chima(1).exe RegSvcs.exe PID 3984 wrote to memory of 1508 3984 chima(1).exe RegSvcs.exe PID 3984 wrote to memory of 1508 3984 chima(1).exe RegSvcs.exe PID 3984 wrote to memory of 1508 3984 chima(1).exe RegSvcs.exe PID 3984 wrote to memory of 1508 3984 chima(1).exe RegSvcs.exe PID 3984 wrote to memory of 1508 3984 chima(1).exe RegSvcs.exe PID 3984 wrote to memory of 1508 3984 chima(1).exe RegSvcs.exe PID 3984 wrote to memory of 1508 3984 chima(1).exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\chima(1).exe"C:\Users\Admin\AppData\Local\Temp\chima(1).exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3984 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1508 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 19803⤵
- Program crash
PID:2468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1508 -ip 15081⤵PID:3900