Analysis
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max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
06/03/2024, 13:49
Static task
static1
Behavioral task
behavioral1
Sample
Ammsjehiorr.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Ammsjehiorr.exe
Resource
win10v2004-20240226-en
General
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Target
Ammsjehiorr.exe
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Size
731KB
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MD5
8700cc5884c50cc4beb338d302b19d38
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SHA1
e86280a55b25942737dcb66a400251a1abfabe7b
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SHA256
c9c09d6c428e195827e779c5cb58b5fd32fd42ff581b34c2a66b325e4d04d674
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SHA512
b959376e839a7662b77fac3bc72a7761c693a82f7e459342b8b882b69b7fd208cc3c65304022a27d576b20b61da21c7cbcaff447db9c01f2ce359811ef17a5de
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SSDEEP
12288:ZrcUg+DA28oxaWyF95HY66HuUSzjApbhtWNvKecIN8dh+yiRBiwR2n+R:ZrcU7Afoxy/5Tfv4IN8dnwG+R
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.oceanskylogistics.in - Port:
587 - Username:
[email protected] - Password:
Oce@n@1234 - 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
resource yara_rule behavioral1/memory/2168-2-0x00000000041D0000-0x0000000004288000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-3-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-4-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-6-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-8-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-10-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-12-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-14-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-16-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-18-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-22-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-20-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-26-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-24-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-28-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-30-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-32-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-34-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-36-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-48-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-46-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-50-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-44-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-52-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-60-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-58-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-56-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-54-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-62-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-42-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-64-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-40-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-66-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 behavioral1/memory/2168-38-0x00000000041D0000-0x0000000004283000-memory.dmp family_zgrat_v1 -
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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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\tKLxPt = "C:\\Users\\Admin\\AppData\\Roaming\\tKLxPt\\tKLxPt.exe" Ammsjehiorr.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Asaby = "C:\\Users\\Admin\\AppData\\Roaming\\Asaby.exe" Ammsjehiorr.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 api.ipify.org 3 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2168 set thread context of 1968 2168 Ammsjehiorr.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1968 Ammsjehiorr.exe 1968 Ammsjehiorr.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2168 Ammsjehiorr.exe Token: SeDebugPrivilege 1968 Ammsjehiorr.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2168 wrote to memory of 1968 2168 Ammsjehiorr.exe 28 PID 2168 wrote to memory of 1968 2168 Ammsjehiorr.exe 28 PID 2168 wrote to memory of 1968 2168 Ammsjehiorr.exe 28 PID 2168 wrote to memory of 1968 2168 Ammsjehiorr.exe 28 PID 2168 wrote to memory of 1968 2168 Ammsjehiorr.exe 28 PID 2168 wrote to memory of 1968 2168 Ammsjehiorr.exe 28 PID 2168 wrote to memory of 1968 2168 Ammsjehiorr.exe 28 PID 2168 wrote to memory of 1968 2168 Ammsjehiorr.exe 28 PID 2168 wrote to memory of 1968 2168 Ammsjehiorr.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\Ammsjehiorr.exe"C:\Users\Admin\AppData\Local\Temp\Ammsjehiorr.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Users\Admin\AppData\Local\Temp\Ammsjehiorr.exeC:\Users\Admin\AppData\Local\Temp\Ammsjehiorr.exe2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1968
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