cheetahkeylogger | 6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5

General

Target

6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe
Size

338KB
MD5

3e338d856b8221d6b8794d84fab44e1c
SHA1

0eadb54687751cfb330ffca3f43f6f322fe34148
SHA256

6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5
SHA512

ba5bc428a5c7ebe58d35abc0d429707dbadff550543e6fd16f5b80ce37dc3dda3ef90e75de31836124cc7c5a91b359c7fc6e2c14cf65e028c4ae999e79d6294c

Score

10^/10

cheetahkeylogger agilenet collection keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.aviner.co.za
Port:
587
Username:
[email protected]
Password:
NoLimits@

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/1700-69-0x00000000003A0000-0x00000000003D6000-memory.dmp	family_cheetahkeylogger

Executes dropped EXE 1 IoCs

pid	Process
1700	InstallUtil.exe

Loads dropped DLL 1 IoCs

pid	Process
844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.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.

agilenet

resource	yara_rule
behavioral1/memory/844-56-0x0000000000550000-0x0000000000564000-memory.dmp	agile_net

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\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 844 set thread context of 1700	844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe	27

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe
844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe
844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe
1700	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe
Token: SeDebugPrivilege	1700	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 1700	844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe	27
PID 844 wrote to memory of 1700	844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe	27
PID 844 wrote to memory of 1700	844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe	27
PID 844 wrote to memory of 1700	844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe	27
PID 844 wrote to memory of 1700	844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe	27
PID 844 wrote to memory of 1700	844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe	27
PID 844 wrote to memory of 1700	844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe	27
PID 844 wrote to memory of 1700	844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe	27
PID 844 wrote to memory of 1700	844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe	27
PID 844 wrote to memory of 1700	844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe	27
PID 844 wrote to memory of 1700	844	6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe
"C:\Users\Admin\AppData\Local\Temp\6eb63858afa241915034f0e38ef048db360a6a1af4cd1a2f10f26de9712805c5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:844
- C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
  "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1700

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/844-58-0x0000000000770000-0x0000000000778000-memory.dmp

Filesize
32KB

Download
memory/844-55-0x000000007437E000-0x000000007437F000-memory.dmp

Filesize
4KB

Download
memory/844-59-0x0000000004340000-0x0000000004341000-memory.dmp

Filesize
4KB

Download
memory/844-60-0x0000000000780000-0x0000000000788000-memory.dmp

Filesize
32KB

Download
memory/844-57-0x0000000000750000-0x0000000000758000-memory.dmp

Filesize
32KB

Download
memory/844-54-0x0000000000E20000-0x0000000000E7A000-memory.dmp

Filesize
360KB

Download
memory/844-56-0x0000000000550000-0x0000000000564000-memory.dmp

Filesize
80KB

Download
memory/1700-64-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1700-65-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1700-63-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1700-62-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1700-68-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1700-69-0x00000000003A0000-0x00000000003D6000-memory.dmp

Filesize
216KB

Download
memory/1700-71-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download
memory/1700-70-0x000000007437E000-0x000000007437F000-memory.dmp

Filesize
4KB

Download

Analysis

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