Analysis
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max time kernel
53s -
max time network
142s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
09-11-2020 19:52
Static task
static1
Behavioral task
behavioral1
Sample
9855bb648dd60519f037e2f8fa4c8c8b.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
9855bb648dd60519f037e2f8fa4c8c8b.exe
Resource
win10v20201028
General
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Target
9855bb648dd60519f037e2f8fa4c8c8b.exe
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Size
332KB
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MD5
9855bb648dd60519f037e2f8fa4c8c8b
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SHA1
a9c625e35862ee791432980a60b68d086102816e
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SHA256
bf4c1b1e3d2c229a1238bffcf18e4b49e875f6bbe92bca5d79ab2a4ef27d0ae2
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SHA512
24a37d422ec28b755c02be9f4dab30a42e50a285c4919ffcf8c1968317cdf2f1ed16d4b8b26748f64fccc4eb3d041763edafef84af0f28d6c0df7597800a255a
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
Processes:
resource yara_rule behavioral2/memory/3568-15-0x0000000004D30000-0x0000000004D61000-memory.dmp family_cheetahkeylogger -
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.
Processes:
resource yara_rule behavioral2/memory/500-3-0x0000000000BD0000-0x0000000000BDF000-memory.dmp agile_net -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 17 ifconfig.me -
Suspicious use of SetThreadContext 1 IoCs
Processes:
9855bb648dd60519f037e2f8fa4c8c8b.exedescription pid process target process PID 500 set thread context of 3568 500 9855bb648dd60519f037e2f8fa4c8c8b.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
9855bb648dd60519f037e2f8fa4c8c8b.exeInstallUtil.exepid process 500 9855bb648dd60519f037e2f8fa4c8c8b.exe 500 9855bb648dd60519f037e2f8fa4c8c8b.exe 500 9855bb648dd60519f037e2f8fa4c8c8b.exe 3568 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
9855bb648dd60519f037e2f8fa4c8c8b.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 500 9855bb648dd60519f037e2f8fa4c8c8b.exe Token: SeDebugPrivilege 3568 InstallUtil.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
9855bb648dd60519f037e2f8fa4c8c8b.exedescription pid process target process PID 500 wrote to memory of 3568 500 9855bb648dd60519f037e2f8fa4c8c8b.exe InstallUtil.exe PID 500 wrote to memory of 3568 500 9855bb648dd60519f037e2f8fa4c8c8b.exe InstallUtil.exe PID 500 wrote to memory of 3568 500 9855bb648dd60519f037e2f8fa4c8c8b.exe InstallUtil.exe PID 500 wrote to memory of 3568 500 9855bb648dd60519f037e2f8fa4c8c8b.exe InstallUtil.exe PID 500 wrote to memory of 3568 500 9855bb648dd60519f037e2f8fa4c8c8b.exe InstallUtil.exe PID 500 wrote to memory of 3568 500 9855bb648dd60519f037e2f8fa4c8c8b.exe InstallUtil.exe PID 500 wrote to memory of 3568 500 9855bb648dd60519f037e2f8fa4c8c8b.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9855bb648dd60519f037e2f8fa4c8c8b.exe"C:\Users\Admin\AppData\Local\Temp\9855bb648dd60519f037e2f8fa4c8c8b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:500 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3568
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