cheetahkeylogger | 7b6c1121ec44afae0d4e413597dbe6cb95d65b551e2bbff81e2f5d726ded4ca9

General

Target

Notice of Payment.exe
Size

347KB
MD5

0b7b2acd93a784e3af07bd3acaec2e97
SHA1

069c15a1913cd506ffc306a14075e7dd28a3d122
SHA256

d70b1d7ebfde15715b3e63d8b4cf75c9025de1e3744d83c78278d7e939d459de
SHA512

aecdfc30af77e6500c0fc5951a5bb0d476d7e932e77b3303044b26a99e6d0b328db72623e076174d6a6d56dfe792ef43d71e145d73500fc39842ef0e061e9807

Score

10^/10

cheetahkeylogger agilenet collection keylogger stealer

Malware Config

Signatures

Cheetah Keylogger
Cheetah is a keylogger and info stealer first seen in March 2020.
stealer keylogger cheetahkeylogger

Cheetah Keylogger Payload 1 IoCs

resource	yara_rule
behavioral1/memory/1120-70-0x00000000005D0000-0x0000000000606000-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.

agilenet

resource	yara_rule
behavioral1/memory/1516-55-0x00000000008D0000-0x00000000008E8000-memory.dmp	agile_net

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\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 1516 set thread context of 1120	1516	Notice of Payment.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1516	Notice of Payment.exe
1516	Notice of Payment.exe
1516	Notice of Payment.exe
1120	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1516	Notice of Payment.exe
Token: SeDebugPrivilege	1120	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1120	1516	Notice of Payment.exe	27
PID 1516 wrote to memory of 1120	1516	Notice of Payment.exe	27
PID 1516 wrote to memory of 1120	1516	Notice of Payment.exe	27
PID 1516 wrote to memory of 1120	1516	Notice of Payment.exe	27
PID 1516 wrote to memory of 1120	1516	Notice of Payment.exe	27
PID 1516 wrote to memory of 1120	1516	Notice of Payment.exe	27
PID 1516 wrote to memory of 1120	1516	Notice of Payment.exe	27
PID 1516 wrote to memory of 1120	1516	Notice of Payment.exe	27
PID 1516 wrote to memory of 1120	1516	Notice of Payment.exe	27
PID 1516 wrote to memory of 1120	1516	Notice of Payment.exe	27
PID 1516 wrote to memory of 1120	1516	Notice of Payment.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Notice of Payment.exe
"C:\Users\Admin\AppData\Local\Temp\Notice of Payment.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516
- 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:1120

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1120-57-0x0000000000090000-0x00000000000B2000-memory.dmp

Filesize
136KB

Download
memory/1120-58-0x0000000000090000-0x00000000000B2000-memory.dmp

Filesize
136KB

Download
memory/1120-60-0x0000000000090000-0x00000000000B2000-memory.dmp

Filesize
136KB

Download
memory/1120-63-0x0000000000090000-0x00000000000B2000-memory.dmp

Filesize
136KB

Download
memory/1120-64-0x0000000000090000-0x00000000000B2000-memory.dmp

Filesize
136KB

Download
memory/1120-69-0x0000000000090000-0x00000000000B2000-memory.dmp

Filesize
136KB

Download
memory/1120-67-0x0000000000090000-0x00000000000B2000-memory.dmp

Filesize
136KB

Download
memory/1120-70-0x00000000005D0000-0x0000000000606000-memory.dmp

Filesize
216KB

Download
memory/1516-54-0x00000000010F0000-0x000000000114E000-memory.dmp

Filesize
376KB

Download
memory/1516-55-0x00000000008D0000-0x00000000008E8000-memory.dmp

Filesize
96KB

Download
memory/1516-56-0x00000000755A1000-0x00000000755A3000-memory.dmp

Filesize
8KB

Download

Analysis

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