cheetahkeylogger | c7400c649c1c3ad7a04c518c406e7bf07208c122118e840e4a91d8c99aff2373

General

Target

Payment confirmation.exe
Size

336KB
MD5

6ba0cbf90fe2345758a0dd2ca208eae5
SHA1

006ce0f80d66be944de8fdf28a59c39e97bd05c1
SHA256

11e4751c7596400128cc3f4cdfdf1876ac917256400d42c39e651301a536de4f
SHA512

343a44ef969031862c5ceaa58b9b4e12035aa518715bd95bda34a3f376d64e6fbb3b988d11cd0b4fb0abd360b6f2a51152413b5d7fea853024c8907f05b9dafe

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

Processes:

resource	yara_rule
behavioral1/memory/1820-73-0x00000000007E0000-0x0000000000816000-memory.dmp	family_cheetahkeylogger

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid	Process
1820	InstallUtil.exe

Loads dropped DLL 1 IoCs

Processes:

Payment confirmation.exe

pid	Process
1968	Payment confirmation.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

Processes:

resource	yara_rule
behavioral1/memory/1968-55-0x0000000000240000-0x0000000000254000-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

Processes:

InstallUtil.exe

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.

Processes:

flow	ioc
4	ifconfig.me

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment confirmation.exe

description	pid	Process	procid_target
PID 1968 set thread context of 1820	1968	Payment confirmation.exe	28

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Payment confirmation.exeInstallUtil.exe

pid	Process
1968	Payment confirmation.exe
1968	Payment confirmation.exe
1968	Payment confirmation.exe
1820	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment confirmation.exeInstallUtil.exe

description	pid	Process
Token: SeDebugPrivilege	1968	Payment confirmation.exe
Token: SeDebugPrivilege	1820	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Payment confirmation.exe

description	pid	Process	procid_target
PID 1968 wrote to memory of 1820	1968	Payment confirmation.exe	28
PID 1968 wrote to memory of 1820	1968	Payment confirmation.exe	28
PID 1968 wrote to memory of 1820	1968	Payment confirmation.exe	28
PID 1968 wrote to memory of 1820	1968	Payment confirmation.exe	28
PID 1968 wrote to memory of 1820	1968	Payment confirmation.exe	28
PID 1968 wrote to memory of 1820	1968	Payment confirmation.exe	28
PID 1968 wrote to memory of 1820	1968	Payment confirmation.exe	28
PID 1968 wrote to memory of 1820	1968	Payment confirmation.exe	28
PID 1968 wrote to memory of 1820	1968	Payment confirmation.exe	28
PID 1968 wrote to memory of 1820	1968	Payment confirmation.exe	28
PID 1968 wrote to memory of 1820	1968	Payment confirmation.exe	28

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

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

Processes:

InstallUtil.exe

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\Payment confirmation.exe
"C:\Users\Admin\AppData\Local\Temp\Payment confirmation.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968
- 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:1820

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/1820-62-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1820-65-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1820-73-0x00000000007E0000-0x0000000000816000-memory.dmp

Filesize
216KB

Download
memory/1820-71-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1820-61-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1820-69-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1820-64-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1820-66-0x000000000042006E-mapping.dmp

Download
memory/1968-58-0x00000000003D0000-0x00000000003D8000-memory.dmp

Filesize
32KB

Download
memory/1968-56-0x0000000000360000-0x0000000000368000-memory.dmp

Filesize
32KB

Download
memory/1968-54-0x00000000011B0000-0x000000000120A000-memory.dmp

Filesize
360KB

Download
memory/1968-57-0x0000000000380000-0x0000000000388000-memory.dmp

Filesize
32KB

Download
memory/1968-55-0x0000000000240000-0x0000000000254000-memory.dmp

Filesize
80KB

Download
memory/1968-59-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads