cheetahkeylogger | 2442bbf11c74033e6d36792c671a7f0755912611e1a8a1feb089218fb4605bff

Analysis

max time kernel
169s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 03:20

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General

Target

Purchase Order.exe
Size

282KB
MD5

b861f4c2cd486258a79a2078c58885e8
SHA1

a52c73cecef8c37bcaf95aeeb456580544a6e27c
SHA256

e0dd9126e9038ec946d016833bad57afb1d3eb06e453ec8a0bdd60661e6a3da2
SHA512

2d51a0096e6c99209bbd020f8523143c1651567296e3123cc4650e9809dc5c5f560fa8b1848d18cd240a53f5ae9fcfbf11bca98eb04d2a678f6d45c682d36371

Score

10^/10

cheetahkeylogger collection keylogger spyware stealer

Malware Config

Signatures

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

Executes dropped EXE 1 IoCs

Processes:

svhost.exe

pid	Process
3712	svhost.exe

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:

svhost.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.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 NtSetInformationThreadHideFromDebugger 64 IoCs

Processes:

svhost.exe

pid	Process
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase Order.exe

description	pid	Process	procid_target
PID 3536 set thread context of 3712	3536	Purchase Order.exe	78

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

Purchase Order.exesvhost.exe

pid	Process
3536	Purchase Order.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe
3712	svhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order.exesvhost.exe

description	pid	Process
Token: SeDebugPrivilege	3536	Purchase Order.exe
Token: SeDebugPrivilege	3712	svhost.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

Purchase Order.exe

description	pid	Process	procid_target
PID 3536 wrote to memory of 3712	3536	Purchase Order.exe	78
PID 3536 wrote to memory of 3712	3536	Purchase Order.exe	78
PID 3536 wrote to memory of 3712	3536	Purchase Order.exe	78
PID 3536 wrote to memory of 3712	3536	Purchase Order.exe	78
PID 3536 wrote to memory of 3712	3536	Purchase Order.exe	78
PID 3536 wrote to memory of 3712	3536	Purchase Order.exe	78
PID 3536 wrote to memory of 3712	3536	Purchase Order.exe	78

outlook_office_path 1 IoCs

Processes:

svhost.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe

outlook_win_path 1 IoCs

Processes:

svhost.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe

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:3536
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
256KB

MD5
8fdf47e0ff70c40ed3a17014aeea4232

SHA1
e6256a0159688f0560b015da4d967f41cbf8c9bd

SHA256
ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82

SHA512
bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be

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

Filesize
256KB

MD5
8fdf47e0ff70c40ed3a17014aeea4232

SHA1
e6256a0159688f0560b015da4d967f41cbf8c9bd

SHA256
ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82

SHA512
bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be

Download Submit
memory/3536-131-0x0000000004A50000-0x0000000004AEC000-memory.dmp

Filesize
624KB

Download
memory/3536-130-0x00000000001E0000-0x000000000022C000-memory.dmp

Filesize
304KB

Download
memory/3712-137-0x0000000005380000-0x0000000005924000-memory.dmp

Filesize
5.6MB

Download
memory/3712-136-0x0000000000410000-0x0000000000436000-memory.dmp

Filesize
152KB

Download
memory/3712-132-0x0000000000000000-mapping.dmp

Download
memory/3712-138-0x0000000005050000-0x00000000050E2000-memory.dmp

Filesize
584KB

Download
memory/3712-139-0x0000000005930000-0x0000000005AF2000-memory.dmp

Filesize
1.8MB

Download
memory/3712-140-0x0000000005EF0000-0x0000000005F56000-memory.dmp

Filesize
408KB

Download
memory/3712-141-0x0000000006280000-0x000000000628A000-memory.dmp

Filesize
40KB

Download
memory/3712-604-0x00000000049C9000-0x00000000049CF000-memory.dmp

Filesize
24KB

Download
memory/3712-994-0x0000000000770000-0x0000000000774000-memory.dmp

Filesize
16KB

Download