18ce929380ab15f9e9d23d156ff3cff56b94e33641a40379f57e7adc91130c3f

Resubmissions

09/04/2024, 22:11

240409-131wtaea38 8

09/04/2024, 21:43

09/04/2024, 21:18

06/04/2024, 10:55

06/04/2024, 10:41

Analysis

max time kernel
119s
max time network
136s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/04/2024, 10:41

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General

Target

locales/ar.pak
Size

574KB
MD5

d1d99f4f2045531edc47d37a367402bd
SHA1

825385e524ece779c641a4ce2a57d14ff126d509
SHA256

bfa2a3c3ebb3c6afbca42cb70b4da8f997068d511cf40ee8a952a893b8f9d7cd
SHA512

4255b02c19ed373d711068a2d4639d462372071cc2aadb6afce459d9fe19bda21ffcbf1604e4937617cd5fee996f9b3786be1c2bed4dc4919d849c7a988a6ac0
SSDEEP

12288:el2RFtqr0jXjiRp8DvYUBuSYRrA5SNbr+ATg8Y3MgSEN6h:m2Ru1fRk52+M

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-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_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-1-5-21-3787592910-3720486031-2929222812-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2444	AcroRd32.exe
2444	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2564	2196	cmd.exe	29
PID 2196 wrote to memory of 2564	2196	cmd.exe	29
PID 2196 wrote to memory of 2564	2196	cmd.exe	29
PID 2564 wrote to memory of 2444	2564	rundll32.exe	30
PID 2564 wrote to memory of 2444	2564	rundll32.exe	30
PID 2564 wrote to memory of 2444	2564	rundll32.exe	30
PID 2564 wrote to memory of 2444	2564	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\ar.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\ar.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2564
- - 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\ar.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2444

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
a70adde4aedf8dce6bb75678eb52ef4f

SHA1
b093ed5c5cd4bc973dbfeab8992f97f68d819004

SHA256
340cd5a06fe88ae17f5e65badaacec6d754c8889b40961a42b952690248d8665

SHA512
b0adccd71dcf670b10c2547538af06533acfa4e6efdd9a199cec7a1c1073b35cd213acaac8d3f9e25c6ebd645819ba337de5b2c22f369cfcd138d920bc14053d

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