Analysis
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max time kernel
90s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
19/04/2023, 15:21
Static task
static1
Behavioral task
behavioral1
Sample
839954cbf452a119a435a65a98d282c1.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
839954cbf452a119a435a65a98d282c1.exe
Resource
win10v2004-20230220-en
General
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Target
839954cbf452a119a435a65a98d282c1.exe
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Size
726KB
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MD5
839954cbf452a119a435a65a98d282c1
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SHA1
a407c39870c97a9d5d2d0a38d84f3ffaf960e0d8
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SHA256
929030c5ca3c01f22c8ecbb5fc41e507dd872c8215995aa40312e8d83df4a718
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SHA512
01652a2669a24244d425633f10cfa852f822d353d4b7bf529bb6306dfd111b25d76855cba0566c39daa95986218121bd1052b4fe245651771cbb215b5a556a9f
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SSDEEP
12288:tlBO5ZZC/W2n9JXQpjYhWEA58u/LsdzhoHo58bSAcGBkstZAEv8qIhn:tlqTC/fmjYhWt/4dFoHlbSSusDAEvHIh
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot1360033246:AAF6H8m6YrL09doyxtsvJzZ_cIl__BCF4aU/sendDocument
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 6 IoCs
resource yara_rule behavioral1/memory/520-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/520-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/520-66-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/520-68-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/520-70-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/520-72-0x00000000048A0000-0x00000000048E0000-memory.dmp family_agenttesla -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmk = "C:\\Users\\Admin\\AppData\\Roaming\\kmk\\kmk.exe" 839954cbf452a119a435a65a98d282c1.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1764 set thread context of 520 1764 839954cbf452a119a435a65a98d282c1.exe 32 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1764 839954cbf452a119a435a65a98d282c1.exe 1764 839954cbf452a119a435a65a98d282c1.exe 1764 839954cbf452a119a435a65a98d282c1.exe 1764 839954cbf452a119a435a65a98d282c1.exe 520 839954cbf452a119a435a65a98d282c1.exe 520 839954cbf452a119a435a65a98d282c1.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1764 839954cbf452a119a435a65a98d282c1.exe Token: SeDebugPrivilege 520 839954cbf452a119a435a65a98d282c1.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 1764 wrote to memory of 268 1764 839954cbf452a119a435a65a98d282c1.exe 28 PID 1764 wrote to memory of 268 1764 839954cbf452a119a435a65a98d282c1.exe 28 PID 1764 wrote to memory of 268 1764 839954cbf452a119a435a65a98d282c1.exe 28 PID 1764 wrote to memory of 268 1764 839954cbf452a119a435a65a98d282c1.exe 28 PID 1764 wrote to memory of 668 1764 839954cbf452a119a435a65a98d282c1.exe 29 PID 1764 wrote to memory of 668 1764 839954cbf452a119a435a65a98d282c1.exe 29 PID 1764 wrote to memory of 668 1764 839954cbf452a119a435a65a98d282c1.exe 29 PID 1764 wrote to memory of 668 1764 839954cbf452a119a435a65a98d282c1.exe 29 PID 1764 wrote to memory of 1344 1764 839954cbf452a119a435a65a98d282c1.exe 30 PID 1764 wrote to memory of 1344 1764 839954cbf452a119a435a65a98d282c1.exe 30 PID 1764 wrote to memory of 1344 1764 839954cbf452a119a435a65a98d282c1.exe 30 PID 1764 wrote to memory of 1344 1764 839954cbf452a119a435a65a98d282c1.exe 30 PID 1764 wrote to memory of 1920 1764 839954cbf452a119a435a65a98d282c1.exe 31 PID 1764 wrote to memory of 1920 1764 839954cbf452a119a435a65a98d282c1.exe 31 PID 1764 wrote to memory of 1920 1764 839954cbf452a119a435a65a98d282c1.exe 31 PID 1764 wrote to memory of 1920 1764 839954cbf452a119a435a65a98d282c1.exe 31 PID 1764 wrote to memory of 520 1764 839954cbf452a119a435a65a98d282c1.exe 32 PID 1764 wrote to memory of 520 1764 839954cbf452a119a435a65a98d282c1.exe 32 PID 1764 wrote to memory of 520 1764 839954cbf452a119a435a65a98d282c1.exe 32 PID 1764 wrote to memory of 520 1764 839954cbf452a119a435a65a98d282c1.exe 32 PID 1764 wrote to memory of 520 1764 839954cbf452a119a435a65a98d282c1.exe 32 PID 1764 wrote to memory of 520 1764 839954cbf452a119a435a65a98d282c1.exe 32 PID 1764 wrote to memory of 520 1764 839954cbf452a119a435a65a98d282c1.exe 32 PID 1764 wrote to memory of 520 1764 839954cbf452a119a435a65a98d282c1.exe 32 PID 1764 wrote to memory of 520 1764 839954cbf452a119a435a65a98d282c1.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1764 -
C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"2⤵PID:268
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C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"2⤵PID:668
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C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"2⤵PID:1344
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C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"2⤵PID:1920
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C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:520
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