cheetahkeylogger | 2442bbf11c74033e6d36792c671a7f0755912611e1a8a1feb089218fb4605bff

Analysis

max time kernel
145s
max time network
133s
platform
windows7_x64
resource
win7-20220414-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

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/1792-69-0x0000000000370000-0x00000000003AC000-memory.dmp	family_cheetahkeylogger

Executes dropped EXE 1 IoCs

Processes:

svhost.exe

pid	Process
1792	svhost.exe

Loads dropped DLL 1 IoCs

Processes:

Purchase Order.exe

pid	Process
1796	Purchase Order.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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svhost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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
3	ifconfig.me

Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs

Processes:

svhost.exe

pid	Process
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase Order.exe

description	pid	Process	procid_target
PID 1796 set thread context of 1792	1796	Purchase Order.exe	28

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

Purchase Order.exesvhost.exe

pid	Process
1796	Purchase Order.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe
1792	svhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order.exesvhost.exe

description	pid	Process
Token: SeDebugPrivilege	1796	Purchase Order.exe
Token: SeDebugPrivilege	1792	svhost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Purchase Order.exe

description	pid	Process	procid_target
PID 1796 wrote to memory of 1792	1796	Purchase Order.exe	28
PID 1796 wrote to memory of 1792	1796	Purchase Order.exe	28
PID 1796 wrote to memory of 1792	1796	Purchase Order.exe	28
PID 1796 wrote to memory of 1792	1796	Purchase Order.exe	28
PID 1796 wrote to memory of 1792	1796	Purchase Order.exe	28
PID 1796 wrote to memory of 1792	1796	Purchase Order.exe	28
PID 1796 wrote to memory of 1792	1796	Purchase Order.exe	28
PID 1796 wrote to memory of 1792	1796	Purchase Order.exe	28

outlook_office_path 1 IoCs

Processes:

svhost.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	svhost.exe

outlook_win_path 1 IoCs

Processes:

svhost.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	svhost.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1796
- 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:1792

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
255KB

MD5
9af17c8393f0970ee5136bd3ffa27001

SHA1
4b285b72c1a11285a25f31f2597e090da6bbc049

SHA256
71d6a7a3fe5f8dc878cd5bdeca0e09177efb85c01e9a8a10a95262cabefaa019

SHA512
b90f7de7d5ce72dccb264c7ba609e173c529b9d99ed9a63f88632bc58b1a994bbb727365f519c73b979f8918bd6de3c39a9f0347eb3a4bccdce4b2772a6516a3

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

Filesize
255KB

MD5
9af17c8393f0970ee5136bd3ffa27001

SHA1
4b285b72c1a11285a25f31f2597e090da6bbc049

SHA256
71d6a7a3fe5f8dc878cd5bdeca0e09177efb85c01e9a8a10a95262cabefaa019

SHA512
b90f7de7d5ce72dccb264c7ba609e173c529b9d99ed9a63f88632bc58b1a994bbb727365f519c73b979f8918bd6de3c39a9f0347eb3a4bccdce4b2772a6516a3

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

Filesize
255KB

MD5
9af17c8393f0970ee5136bd3ffa27001

SHA1
4b285b72c1a11285a25f31f2597e090da6bbc049

SHA256
71d6a7a3fe5f8dc878cd5bdeca0e09177efb85c01e9a8a10a95262cabefaa019

SHA512
b90f7de7d5ce72dccb264c7ba609e173c529b9d99ed9a63f88632bc58b1a994bbb727365f519c73b979f8918bd6de3c39a9f0347eb3a4bccdce4b2772a6516a3

Download Submit
memory/1792-81-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-58-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-86-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-137-0x0000000004B15000-0x0000000004B26000-memory.dmp

Filesize
68KB

Download
memory/1792-85-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-88-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-57-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-69-0x0000000000370000-0x00000000003AC000-memory.dmp

Filesize
240KB

Download
memory/1792-74-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-73-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-72-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-79-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-80-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-78-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-77-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-83-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-82-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-121-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-62-0x0000000000422DDE-mapping.dmp

Download
memory/1792-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-91-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-90-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-89-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-95-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-96-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-94-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-93-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-100-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-99-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-103-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-107-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-110-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-111-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-112-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-115-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1792-123-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1796-54-0x0000000000350000-0x000000000039C000-memory.dmp

Filesize
304KB

Download
memory/1796-55-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download