Analysis
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max time kernel
125s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 01:12
Static task
static1
Behavioral task
behavioral1
Sample
71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe
Resource
win10v2004-20240508-en
General
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Target
71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe
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Size
1.9MB
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MD5
85a68d401bbb5751b02fb9ca159b6eff
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SHA1
99b6b9e728ebc315a2ae04505de04b0f922f7cd1
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SHA256
71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2
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SHA512
0f83dc75c47794dcaea3e8ec00f472e2b9281ece33031c9894671522f25489a446bc9c1ecc980a8ca262a7cb6cb5c3d43d22cf692a2094ec01410bca44b718df
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SSDEEP
49152:bOD+bTI6YTDml4HJPHDQkOBU0f9iygcrxZ3aU5Z/IrRo2ht1a1nvkJzJ:Sv85QzJ
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
siammkd.info - Port:
587 - Username:
[email protected] - Password:
Emotion22 - 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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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 15 api.ipify.org 16 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exedescription pid process target process PID 3752 set thread context of 3240 3752 71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe jsc.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 704 3240 WerFault.exe jsc.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
jsc.exepid process 3240 jsc.exe 3240 jsc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
jsc.exedescription pid process Token: SeDebugPrivilege 3240 jsc.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exedescription pid process target process PID 3752 wrote to memory of 1580 3752 71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe AddInProcess32.exe PID 3752 wrote to memory of 1580 3752 71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe AddInProcess32.exe PID 3752 wrote to memory of 1580 3752 71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe AddInProcess32.exe PID 3752 wrote to memory of 1580 3752 71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe AddInProcess32.exe PID 3752 wrote to memory of 3240 3752 71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe jsc.exe PID 3752 wrote to memory of 3240 3752 71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe jsc.exe PID 3752 wrote to memory of 3240 3752 71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe jsc.exe PID 3752 wrote to memory of 3240 3752 71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe jsc.exe PID 3752 wrote to memory of 3240 3752 71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe jsc.exe PID 3752 wrote to memory of 3240 3752 71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe jsc.exe PID 3752 wrote to memory of 3240 3752 71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe jsc.exe PID 3752 wrote to memory of 3240 3752 71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe jsc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe"C:\Users\Admin\AppData\Local\Temp\71cb5530f635f1229d43e4fe9c5bbdb04cf9053832fa006750690854a883eff2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3240 -s 20163⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3240 -ip 32401⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4040,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4104 /prefetch:81⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3240-1-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/3240-2-0x0000000074ABE000-0x0000000074ABF000-memory.dmpFilesize
4KB
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memory/3240-3-0x0000000005C20000-0x00000000061C4000-memory.dmpFilesize
5.6MB
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memory/3240-4-0x00000000055E0000-0x0000000005646000-memory.dmpFilesize
408KB
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memory/3240-5-0x0000000074AB0000-0x0000000075260000-memory.dmpFilesize
7.7MB
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memory/3240-6-0x0000000074AB0000-0x0000000075260000-memory.dmpFilesize
7.7MB