b1865a08154364f00bc4350a99012043bfca5b14734fb8ab505ade40dd6a0cc2

Analysis

max time kernel
120s
max time network
129s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
27-06-2024 21:46

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General

Target

locales/ca.pak
Size

384KB
MD5

0312c87b6436e733a037bfb3084f7550
SHA1

e3f30b8f3bfc8ddbf4b8f85f845733ed5ac8c632
SHA256

b6c895fbca90c36ae2cfefefda989922162a2cc259603fbca066f0cfbf43c4ff
SHA512

24b7780211b9dcaf7cbe3915851c7b873562e0cff022c29ca1b4e159b9da152b517305f81dd33712a0224fc3b77e594405e432fe5eecf29b7a4f83f441d6905e
SSDEEP

12288:L0s8rijIs3cejEYBCqol3nbhj+YbHQluSwWwXiMjdLbpuQRBtryBiGIle3nei302:L0sLm+JzFMNSGhrKU5qzEK

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-1-5-21-2812790648-3157963462-487717889-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_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-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\pak_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2140	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2140	AcroRd32.exe
2140	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2688	2228	cmd.exe	29
PID 2228 wrote to memory of 2688	2228	cmd.exe	29
PID 2228 wrote to memory of 2688	2228	cmd.exe	29
PID 2688 wrote to memory of 2140	2688	rundll32.exe	30
PID 2688 wrote to memory of 2140	2688	rundll32.exe	30
PID 2688 wrote to memory of 2140	2688	rundll32.exe	30
PID 2688 wrote to memory of 2140	2688	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\ca.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\ca.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2688
- - 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\ca.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2140

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
37a9c6ef9bfb07537dda61af4269c1c0

SHA1
ce0c5d9661788fce05e3fdf841b25d2a4b4d833c

SHA256
4fa2984098e8a32fc9fead89d9930c2a8f657221aa2d52b3e561e66dbe5c895c

SHA512
86591c472e8e65fe6d337dc182eb5a1d84b507d09bea7dec8344c92de502953d2cbffa94dd3f56e2c60e3f87d686bd10f21812e4bf0326f89089d7fcf8fbcea7

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