4d8daf45a5fcf7480739974e1d9ecac7370462f66196dd14b9a38020120dc202

Resubmissions

02/06/2024, 23:20

240602-3bvxlaag6v 7

02/06/2024, 23:16

240602-29dwasbg87 4

Analysis

max time kernel
120s
max time network
139s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02/06/2024, 23:16

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General

Target

locales/am.pak
Size

619KB
MD5

d3f48b60620c5bbe519db9c0cfb634de
SHA1

7b54a0bf25b2ecfd78c2ad7dfb6f6a09bfd20abc
SHA256

1974de0984976556288a4612d5f38fe0ff21e868bdd877ba5d5fde3bb4c9e36d
SHA512

279a7c162e53b2d4e7a92a57de3ce3c919cd9a9700595af6a26ebc53f925773127656b2c817e91cdead87c2b1f5dc00bb0b134d6d51cb083149d85598a2d5b85
SSDEEP

12288:ihHb86uogj8xST1XF/gpwozVgd529+1VJ7uYyPJx30jH8+A:MbIj8xSXFopwozVgd529+1VJXyPt

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
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pak	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2544	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2544	AcroRd32.exe
2544	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 836	1108	cmd.exe	31
PID 1108 wrote to memory of 836	1108	cmd.exe	31
PID 1108 wrote to memory of 836	1108	cmd.exe	31
PID 836 wrote to memory of 2544	836	rundll32.exe	32
PID 836 wrote to memory of 2544	836	rundll32.exe	32
PID 836 wrote to memory of 2544	836	rundll32.exe	32
PID 836 wrote to memory of 2544	836	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\am.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:1108
- 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:836
- - 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:2544

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
655e891c673b13072f7c36a4250fb596

SHA1
ca4895b11dc87d086cb3fb446f21e7555c218ccb

SHA256
64ecb640e10ee61e9b7fbed5101a6426e5eee521d649567f731443d9843574d5

SHA512
1c4f1d239caa3e00a3131570c44cd712f0bed8df0217bb6b32c49d2e022d8bddc448448e49a67f95dc6e0eddc4abd574353faea5b15a8d3186dbe08cb26b27cd

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