b1865a08154364f00bc4350a99012043bfca5b14734fb8ab505ade40dd6a0cc2

Analysis

max time kernel
120s
max time network
140s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
08/07/2024, 03:07

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General

Target

locales/am.pak
Size

551KB
MD5

a2a17bdd83467a027505bc817d1ac028
SHA1

cc1266a22606a1055db9653b82e90c9d1f551d44
SHA256

f92b0299185d963337e96df1016e1cf5ca335e22ff86568c1a6507c3fea29094
SHA512

193c5db0a30a3c8ef5e8c821cafb9d0b5671b7e7821748c7b432e927bd4638ecf5bfc1d99721ce89fb3df4f6f23b5e55d753430e8ef2bedd1e1633e613321028
SSDEEP

12288:WcWa+uPPo8xJTgWHsEaYM5g9yaAVmHukPQyx30jH8+I:Wuno8xOWHbaYM5g9yaAVmvPQ+

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-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_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-1-5-21-3502430532-24693940-2469786940-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2652	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2652	AcroRd32.exe
2652	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 656 wrote to memory of 2608	656	cmd.exe	30
PID 656 wrote to memory of 2608	656	cmd.exe	30
PID 656 wrote to memory of 2608	656	cmd.exe	30
PID 2608 wrote to memory of 2652	2608	rundll32.exe	31
PID 2608 wrote to memory of 2652	2608	rundll32.exe	31
PID 2608 wrote to memory of 2652	2608	rundll32.exe	31
PID 2608 wrote to memory of 2652	2608	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\am.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:656
- 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:2608
- - 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:2652

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

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Downloads

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

Filesize
3KB

MD5
8e399a4d50974260a781c7f503f1c993

SHA1
0e2faacfb0b385cd08838d4996f72d8ee6bc3634

SHA256
a3e2dfc12ecd8ed4cadfcb024b0d7057cdc30cef8b797725c7b3a44525636d51

SHA512
5c8a6f44811bfc7d9cad0cf23ea4f4d61141b90294cdad3fdd8050e2b0dda4684c31875a190a41719db1b2894a847379ccfc4f691cd07ab147866ed6ffd6f338

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