1bec59ae5dc530ec12c1bc8c2dfecd7ef54c9061883153f3658784a43e142464

Resubmissions

15-03-2024 18:57

240315-xlx7taac98 7

Analysis

max time kernel
117s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-03-2024 18:57

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General

Target

locales/af.pak
Size

425KB
MD5

d16ef573959cf5cf0a6eea20136b9c0b
SHA1

e3384ae3ee92e1dae47a48e45589372e940aab33
SHA256

73a8401e6dc17c4daf86b42c65b81359348f7e6b4d62d8637138e747bb3ff0ae
SHA512

064c2912f766f10ec042adf82709ac9582cb8430e3550690fc17343c380dcbabadc0084e08aa5f3eb6faf79a652d26e1fe2606625a180b7f47808df07a566933
SSDEEP

12288:yL0N/vpzXda2KCh2bM70i2Jyngy86BVCgIxHSt2lyV9V5t/te6AziApNi2:yL0FxzXda2LIbM70i2Jyngy86BVCgIxZ

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-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_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
2680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2680	AcroRd32.exe
2680	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2604	2272	cmd.exe	29
PID 2272 wrote to memory of 2604	2272	cmd.exe	29
PID 2272 wrote to memory of 2604	2272	cmd.exe	29
PID 2604 wrote to memory of 2680	2604	rundll32.exe	30
PID 2604 wrote to memory of 2680	2604	rundll32.exe	30
PID 2604 wrote to memory of 2680	2604	rundll32.exe	30
PID 2604 wrote to memory of 2680	2604	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\af.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\af.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2604
- - 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\af.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2680

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
163c973901c57f4a1ce4936915c4aaa0

SHA1
15dd9f735cb4dc993c54bc2bf3bbfb96cd8cc144

SHA256
584e9931d866b03bd8f2101775c915980039167581f68f2ca86a790c7e768061

SHA512
801383e08aa9951eb964f2e15694f5a75fa8a731d392accd9acb3e70d9b4dda7ca846d97dff230f5b004cb43dc551189ef22a139b361d723fd41c840b6ad2af8

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