d9c6ba096bc85554d5e3adff83edb5c97c179bd28f21bff3c4969786be9daa36

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
19/04/2024, 22:30

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General

Target
koalahook-main/.gitignore
Size 23B
Sample240419-2e441aab2t
SHA256 8c5ef4bd837408e37a16cc3fad97099fba5f35c243f658cce386fa7ddac02cad
MD5 178e57724f10653595ac0b4891796876
SHA1 ebf444cacef2c9d529234ae0d90d0d97d58ef210
SHA512 bccbf0d84af9df28709dee5063f90b40734bf7d6410191a83aece88191f6cfa8e71445720d2198c49b235a782006dd1069d5ee4171ee59f782721a69544cab84
MD5 SHA1 SHA512

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\gitignore_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\gitignore_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\gitignore_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.gitignore	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.gitignore\ = "gitignore_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\gitignore_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\gitignore_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\gitignore_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1656	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1656	AcroRd32.exe
1656	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2872	2356	cmd.exe	29
PID 2356 wrote to memory of 2872	2356	cmd.exe	29
PID 2356 wrote to memory of 2872	2356	cmd.exe	29
PID 2872 wrote to memory of 1656	2872	rundll32.exe	30
PID 2872 wrote to memory of 1656	2872	rundll32.exe	30
PID 2872 wrote to memory of 1656	2872	rundll32.exe	30
PID 2872 wrote to memory of 1656	2872	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\koalahook-main\.gitignore
1⤵
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\koalahook-main\.gitignore
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\koalahook-main\.gitignore"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 9734b8ad1aa93e2b9deab386db14aa2a9e50e78b7dbb1469b7fffb3d85d16f5a
MD5 cebc6de9418550eb5cb00543b17b6fbc
SHA1 333403c5bdc0803123ae40c9c24bfa89c58e7e42
SHA512 4bcf7439e19231e1542f22606c089cd0c77f160fb394651f2c2ae9aaede4a3a3a602ff23cc273dc79a39cca68ed9068128cc14b88a49c8a5192adfa0c3e1a449
MD5 SHA1 SHA512

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