Analysis
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max time kernel
142s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
11-12-2023 07:30
Static task
static1
Behavioral task
behavioral1
Sample
tmpnmki0idr.exe
Resource
win7-20231201-en
Behavioral task
behavioral2
Sample
tmpnmki0idr.exe
Resource
win10v2004-20231130-en
General
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Target
tmpnmki0idr.exe
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Size
343KB
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MD5
5aa23d8b62564d941b9280e3e6a4a7f7
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SHA1
05982135347d56efb1009e25f59bb334bcc0ee9f
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SHA256
2e8cc38f3632a65650d4cb44f5c9b66b5a31e9e431f21a67615a3566a3f0cb9e
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SHA512
f831f2648e211c1c32348a13f9d465371b7581828d5eea339a957c5fb76718ee04654ba7832f53ae6eb7d01fdd558c35b73bdc99559b6a31986bef38d36a7a82
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SSDEEP
6144:RMtupv8mx9piku5erIF9XCA2RO0F8S9hIlS8VPR5PJ9+fZmTDmv6MZRQtSYvbQnf:RMMpvJ/k35eUnN2Q0F8Whn8V55/2OCvw
Malware Config
Extracted
agenttesla
https://discord.com/api/webhooks/1183413987946274836/x2mGL5RsDliW33UcztWPXWKu2_GrASEJKuUh8AEd9kIV3tIOo9lsaMizqXjKhhr_O01m
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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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.
flow ioc 13 ip-api.com -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3384 set thread context of 3572 3384 tmpnmki0idr.exe 91 PID 3384 set thread context of 4496 3384 tmpnmki0idr.exe 94 -
Program crash 1 IoCs
pid pid_target Process procid_target 2488 3572 WerFault.exe 91 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4496 tmpnmki0idr.exe 4496 tmpnmki0idr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4496 tmpnmki0idr.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3384 wrote to memory of 3572 3384 tmpnmki0idr.exe 91 PID 3384 wrote to memory of 3572 3384 tmpnmki0idr.exe 91 PID 3384 wrote to memory of 3572 3384 tmpnmki0idr.exe 91 PID 3384 wrote to memory of 3572 3384 tmpnmki0idr.exe 91 PID 3384 wrote to memory of 4496 3384 tmpnmki0idr.exe 94 PID 3384 wrote to memory of 4496 3384 tmpnmki0idr.exe 94 PID 3384 wrote to memory of 4496 3384 tmpnmki0idr.exe 94 PID 3384 wrote to memory of 4496 3384 tmpnmki0idr.exe 94 PID 3384 wrote to memory of 4496 3384 tmpnmki0idr.exe 94 PID 3384 wrote to memory of 4496 3384 tmpnmki0idr.exe 94 PID 3384 wrote to memory of 4496 3384 tmpnmki0idr.exe 94 PID 3384 wrote to memory of 4496 3384 tmpnmki0idr.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\tmpnmki0idr.exe"C:\Users\Admin\AppData\Local\Temp\tmpnmki0idr.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3384 -
C:\Users\Admin\AppData\Local\Temp\tmpnmki0idr.exe"C:\Users\Admin\AppData\Local\Temp\tmpnmki0idr.exe"2⤵PID:3572
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 803⤵
- Program crash
PID:2488
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C:\Users\Admin\AppData\Local\Temp\tmpnmki0idr.exe"C:\Users\Admin\AppData\Local\Temp\tmpnmki0idr.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4496
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3572 -ip 35721⤵PID:3460