a8d5126a1eafba06775bf2eaaf74b52873f15ac8c35a3603517511fcc6e1eaea

Analysis

max time kernel
844s
max time network
850s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
23-02-2024 20:06

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General

Target

locales/sl.pak
Size

526KB
MD5

ff14d5f9484350396780bea7f3bc64ec
SHA1

de097f12b70b552824de69141d6ee1969275eca4
SHA256

b174c4c49654f7d65d223568c700bfaace74238447ae63171787236ce2aab00e
SHA512

011bcc3980d21e0900d1da334a28b72623b22b527a4fc3d96a8f78fb055dc87cd1433a63d8b4414a0a86cf2ded5833a395214910b17433a0545e04d1ce4875b8
SSDEEP

6144:Tc0Pejkg4yQ9QLAx2j1MRB2xQnnbZNjJ0Kym4ocyxPbPDNs2uGEm5vfFCiv5LGaP:mQuyRB29KBjei5aScvJHjh/i/fzUCqc

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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_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-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2564	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2564	AcroRd32.exe
2564	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2584	2060	cmd.exe	29
PID 2060 wrote to memory of 2584	2060	cmd.exe	29
PID 2060 wrote to memory of 2584	2060	cmd.exe	29
PID 2584 wrote to memory of 2564	2584	rundll32.exe	30
PID 2584 wrote to memory of 2564	2584	rundll32.exe	30
PID 2584 wrote to memory of 2564	2584	rundll32.exe	30
PID 2584 wrote to memory of 2564	2584	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\sl.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\sl.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2584
- - 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\sl.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2564

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
06bed8640bc52ae9ba5dd87901e9f765

SHA1
0137947eafc8008aee0605829a8244130d2dc149

SHA256
8593157a22fe0577a96a9797c326fe00674cbc2833993e330b5b42018800069b

SHA512
60b78c9fe725ee5fd85c4d717f11a404c2b5d9540518f072193b26c8ba4833878eff7960630bee9f32ae9c2d3eaae17a9950cac4745a325cbeaf67f19f1df96f

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