3f70da063d48c6a6921fee36436a7ca0078c499746c43c575d17476c7aeb19e3

Analysis

max time kernel
117s
max time network
122s
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/da.pak
Size

446KB
MD5

5b033c206820ace5eb4c6f82aed34a5d
SHA1

28017cfc13259273022059f02564ffc99dcd75a4
SHA256

1a51de04cb205c708520f1b013447f1a89f0b1330dbce6d1e71cf355319d1108
SHA512

e423069f7a895179ea17be5774284e9e2e27f02c40bac7d7211cab77348800622796f04c3e6618905364e189ca5ec772ed7dbd285872777d163d3ebec08a64d4
SSDEEP

6144:CVNYzbxqzVBYO5c0orUrnwlH2oJwREbtEbvvXe5aNrRppd4gTGqfwQ:CV4bVLr2nQJ5SrJTpB

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-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_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-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2616	AcroRd32.exe
2616	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2788	2156	cmd.exe	29
PID 2156 wrote to memory of 2788	2156	cmd.exe	29
PID 2156 wrote to memory of 2788	2156	cmd.exe	29
PID 2788 wrote to memory of 2616	2788	rundll32.exe	30
PID 2788 wrote to memory of 2616	2788	rundll32.exe	30
PID 2788 wrote to memory of 2616	2788	rundll32.exe	30
PID 2788 wrote to memory of 2616	2788	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\da.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\da.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2788
- - 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\da.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2616

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
18a75328fd5bc3a73bf0a67fca77d82a

SHA1
b1cdd7fb7891bc1a91971b6335663baf36f97ad6

SHA256
8bb556cbaac91c49d261691518b9a28c07983aa4f4d6b166581866bd3f4961a8

SHA512
b7803336841b61fc098493ce0303aa13178e04de93f2c7f4b0c0813c2debbe935448f293177f890c7b93f9fc6bec55b6d4cff4c70be6b2c4a527c5787180615c

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