cheetahkeylogger | f073720cea2de6afedd9ae33af93a3ea5f077034274c262d8d484e5aa68dd471

General

Target

Payment confirmation.exe
Size

340KB
MD5

0d93e6fe85bf79804990d42976ced9e0
SHA1

3d302882eceb550d7c92f042048d210fe84219e0
SHA256

d6de7175146f4b7d262b23adb6b14f3193fc755e10d80353a1a3cc9a164177e8
SHA512

0064a03bcca3b727f4425e32d6c12565c7defd6259f346d316d3f8610e0dc1b3c8cb7db0c7fb5b38725a4675734d40012eecc5cb1ee4cf9c219fffa5ff88ae41

Score

10^/10

cheetahkeylogger agilenet collection keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.aviner.co.za
Port:
587
Username:
christine@aviner.co.za
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/1700-73-0x0000000001E70000-0x0000000001EA6000-memory.dmp	family_cheetahkeylogger

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

1700 InstallUtil.exe
Loads dropped DLL 1 IoCs

Processes:

Payment confirmation.exe

pid process

748 Payment confirmation.exe

pid	process
1700	InstallUtil.exe

pid	process
748	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/748-55-0x00000000003D0000-0x00000000003E4000-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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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 target process

PID 748 set thread context of 1700 748 Payment confirmation.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Payment confirmation.exeInstallUtil.exe

pid process

748 Payment confirmation.exe
748 Payment confirmation.exe
748 Payment confirmation.exe
1700 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment confirmation.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 748 Payment confirmation.exe
Token: SeDebugPrivilege 1700 InstallUtil.exe

flow	ioc
4	ifconfig.me

description	pid	process	target process
PID 748 set thread context of 1700	748	Payment confirmation.exe	InstallUtil.exe

pid	process
748	Payment confirmation.exe
748	Payment confirmation.exe
748	Payment confirmation.exe
1700	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	748	Payment confirmation.exe
Token: SeDebugPrivilege	1700	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Payment confirmation.exe

description	pid	process	target process
PID 748 wrote to memory of 1700	748	Payment confirmation.exe	InstallUtil.exe
PID 748 wrote to memory of 1700	748	Payment confirmation.exe	InstallUtil.exe
PID 748 wrote to memory of 1700	748	Payment confirmation.exe	InstallUtil.exe
PID 748 wrote to memory of 1700	748	Payment confirmation.exe	InstallUtil.exe
PID 748 wrote to memory of 1700	748	Payment confirmation.exe	InstallUtil.exe
PID 748 wrote to memory of 1700	748	Payment confirmation.exe	InstallUtil.exe
PID 748 wrote to memory of 1700	748	Payment confirmation.exe	InstallUtil.exe
PID 748 wrote to memory of 1700	748	Payment confirmation.exe	InstallUtil.exe
PID 748 wrote to memory of 1700	748	Payment confirmation.exe	InstallUtil.exe
PID 748 wrote to memory of 1700	748	Payment confirmation.exe	InstallUtil.exe
PID 748 wrote to memory of 1700	748	Payment confirmation.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\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:748

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 Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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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/748-58-0x0000000000460000-0x0000000000468000-memory.dmp

Filesize
32KB

Download
memory/748-54-0x0000000000350000-0x00000000003AA000-memory.dmp

Filesize
360KB

Download
memory/748-59-0x0000000076811000-0x0000000076813000-memory.dmp

Filesize
8KB

Download
memory/748-57-0x0000000000410000-0x0000000000418000-memory.dmp

Filesize
32KB

Download
memory/748-55-0x00000000003D0000-0x00000000003E4000-memory.dmp

Filesize
80KB

Download
memory/748-56-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

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

Filesize
136KB

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

Filesize
136KB

Download
memory/1700-66-0x000000000041FE7E-mapping.dmp

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

Filesize
136KB

Download
memory/1700-69-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1700-71-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1700-61-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1700-73-0x0000000001E70000-0x0000000001EA6000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads