80a2f9e557e81028d751037e5d27bb90cd7b822bc0e6a6e4201287074d8fec08

Analysis

max time kernel
122s
max time network
139s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 20:04

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General

Target

locales/am.pak
Size

569KB
MD5

2c933f084d960f8094e24bee73fa826c
SHA1

91dfddc2cff764275872149d454a8397a1a20ab1
SHA256

fa1e44215bd5acc7342c431a3b1fddb6e8b6b02220b4599167f7d77a29f54450
SHA512

3c9ecfb0407de2aa6585f4865ad54eeb2ec6519c9d346e2d33ed0e30be6cc3ebfed676a08637d42c2ca8fa6cfefb4091feb0c922ff71f09a2b89cdd488789774
SSDEEP

12288:QqhqEuPxT8xZTtWosuF9Q5m9yAAVzfukCQox30jH8+I:Zh8T8xTWoZF9Q5m9yAAVzXCQ0

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-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2788	AcroRd32.exe
2788	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2092	2148	cmd.exe	29
PID 2148 wrote to memory of 2092	2148	cmd.exe	29
PID 2148 wrote to memory of 2092	2148	cmd.exe	29
PID 2092 wrote to memory of 2788	2092	rundll32.exe	30
PID 2092 wrote to memory of 2788	2092	rundll32.exe	30
PID 2092 wrote to memory of 2788	2092	rundll32.exe	30
PID 2092 wrote to memory of 2788	2092	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\am.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\am.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2092
- - 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\locales\am.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2788

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

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
a1a554ffab5d142ad14f8445cc64cde8

SHA1
63d37156ada9075ef01873eb0efb06b0e5c6c4ac

SHA256
95f5b560f6d3c5d58ad7ad70e11495b092bc251d3fc8e41b90c26d9145da710c

SHA512
0c831b9c362796ed490060b4b1e9a5635c307cb7896c21a55c16f4caf2c458464e3027b4ef1b9bcda3e7dbcb0315d1ba882d033a241e1ec9a1ab0e8c3417088f

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