Analysis
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max time kernel
62s -
max time network
61s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-11-2020 20:06
Static task
static1
Behavioral task
behavioral1
Sample
Vital Information.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Vital Information.exe
Resource
win10v20201028
General
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Target
Vital Information.exe
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Size
298KB
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MD5
83be83f2a2c21bfa43836b8faa2a3f05
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SHA1
f9959adb63dcc148071c7ca0dbc7378747ef555a
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SHA256
6ee95360b744269183b9f19b9474f831224dbd90d27e67e5b2c5701f69938e4e
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SHA512
803672f863747f7b3ccfa53182b06bd59d73fff53dd3c923975065aafdb88d1424f7e76ae4b4f1f89c32e96664fdfd92c88a7e83d178c6723f888d818719fb5a
Malware Config
Extracted
Protocol: smtp- Host:
mail.aviner.co.za - Port:
587 - Username:
[email protected] - Password:
NoLimits@
Signatures
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Cheetah Keylogger
Cheetah is a keylogger and info stealer first seen in March 2020.
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Cheetah Keylogger Payload 1 IoCs
resource yara_rule behavioral1/memory/1524-17-0x0000000000370000-0x00000000003A1000-memory.dmp family_cheetahkeylogger -
Executes dropped EXE 1 IoCs
pid Process 1524 InstallUtil.exe -
Loads dropped DLL 1 IoCs
pid Process 740 Vital Information.exe -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
resource yara_rule behavioral1/memory/740-3-0x0000000000250000-0x000000000025F000-memory.dmp agile_net -
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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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 4 ifconfig.me -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 740 set thread context of 1524 740 Vital Information.exe 29 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 740 Vital Information.exe 740 Vital Information.exe 740 Vital Information.exe 1524 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 740 Vital Information.exe Token: SeDebugPrivilege 1524 InstallUtil.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 740 wrote to memory of 1524 740 Vital Information.exe 29 PID 740 wrote to memory of 1524 740 Vital Information.exe 29 PID 740 wrote to memory of 1524 740 Vital Information.exe 29 PID 740 wrote to memory of 1524 740 Vital Information.exe 29 PID 740 wrote to memory of 1524 740 Vital Information.exe 29 PID 740 wrote to memory of 1524 740 Vital Information.exe 29 PID 740 wrote to memory of 1524 740 Vital Information.exe 29 PID 740 wrote to memory of 1524 740 Vital Information.exe 29 PID 740 wrote to memory of 1524 740 Vital Information.exe 29 PID 740 wrote to memory of 1524 740 Vital Information.exe 29 PID 740 wrote to memory of 1524 740 Vital Information.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\Vital Information.exe"C:\Users\Admin\AppData\Local\Temp\Vital Information.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:740 -
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1524
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