Analysis
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max time kernel
83s -
max time network
88s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 01:43
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Purchase Order.exe
Resource
win10v2004-20220414-en
General
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Target
Purchase Order.exe
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Size
403KB
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MD5
130892ccfa6d7a46febac4ac15bd6e7f
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SHA1
bd8339310896ea0e1c102c39896b1698d6c8433b
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SHA256
0b5d1cae663270d11148b52e122f4dabf7a9245a1fab3a726d462a1c48668481
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SHA512
eeebce3c77befc7e38c4c3c0fb7ec97bc69aa3b7cc1d743c00601a5ad4211b24e79603214809406817c92dcd678ead5c3d3cb3d3e0a20d941f36ed0d2e947163
Malware Config
Extracted
Protocol: smtp- Host:
mail.powersupplies.co.za - Port:
587 - Username:
[email protected] - Password:
P@$$w0rd.R.S
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/1308-70-0x0000000000340000-0x0000000000376000-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.
resource yara_rule behavioral1/memory/1972-55-0x00000000001F0000-0x0000000000206000-memory.dmp agile_net -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
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 1972 set thread context of 1308 1972 Purchase Order.exe 27 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1972 Purchase Order.exe 1972 Purchase Order.exe 1972 Purchase Order.exe 1308 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1972 Purchase Order.exe Token: SeDebugPrivilege 1308 InstallUtil.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1972 wrote to memory of 1308 1972 Purchase Order.exe 27 PID 1972 wrote to memory of 1308 1972 Purchase Order.exe 27 PID 1972 wrote to memory of 1308 1972 Purchase Order.exe 27 PID 1972 wrote to memory of 1308 1972 Purchase Order.exe 27 PID 1972 wrote to memory of 1308 1972 Purchase Order.exe 27 PID 1972 wrote to memory of 1308 1972 Purchase Order.exe 27 PID 1972 wrote to memory of 1308 1972 Purchase Order.exe 27 PID 1972 wrote to memory of 1308 1972 Purchase Order.exe 27 PID 1972 wrote to memory of 1308 1972 Purchase Order.exe 27 PID 1972 wrote to memory of 1308 1972 Purchase Order.exe 27 PID 1972 wrote to memory of 1308 1972 Purchase Order.exe 27 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1308
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