3f70da063d48c6a6921fee36436a7ca0078c499746c43c575d17476c7aeb19e3

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
19/05/2024, 19:52

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General

Target

locales/el.pak
Size

865KB
MD5

2b391b2b35f7e096f696faf5dc093366
SHA1

1409134a46fcb84457a0e332edde98f7666246bd
SHA256

f1fe39af50f4bfe9edcea3af6c132e87d464d7277fb491ed95d7189b3157d20d
SHA512

aa640ca41dc9d4f60392b61bbead215345abd32369b0de90ed1d7ca2ff7a838d04689d538789a1adc0324fe4539c34db26b6c245155e51fb0308af13b60bfdae
SSDEEP

24576:W1YcXPeGgx1vhxi6o/mqHMeD2fpaEAj0vSKjaEA3H8EuiEc7t2DQ739Qtf2ktKMq:AYcXPeGgx1vhxi6o/mqHnD2fpaEAj0vC

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-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_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-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 2120	2836	cmd.exe	29
PID 2836 wrote to memory of 2120	2836	cmd.exe	29
PID 2836 wrote to memory of 2120	2836	cmd.exe	29
PID 2120 wrote to memory of 2720	2120	rundll32.exe	30
PID 2120 wrote to memory of 2720	2120	rundll32.exe	30
PID 2120 wrote to memory of 2720	2120	rundll32.exe	30
PID 2120 wrote to memory of 2720	2120	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\el.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\el.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2120
- - 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\el.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2720

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
9dfbf3523e2da67fb72eb952e998c779

SHA1
15d69abe7062c73c427e4c1a1037c4fee8f2c3d0

SHA256
84058eff096fac80e6fe37d6ab189844a0bc9a7de7fd2071674872d117daab73

SHA512
b4dfdd1176bf27899d829f33c7009052c670f3e7f9a55d98a59d36db60e015849910031489936028487a43eb4e19fdafe6dc479b2446066c96e1f2473e85d4d5

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