f8a2c7bf6611cc965e76f1286fc460ec47f3d7e4353877716417cd8b553b2667

Analysis

max time kernel
1799s
max time network
1820s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03-02-2024 00:54

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General

Target

locales/ro.pak
Size

137KB
MD5

cc458834bfa5b085f7482fa2ab6b9791
SHA1

80644bc45b83e06e12d619381276f7d5ffda0d0f
SHA256

26fbb88be9aa8c4f53b541f717a76da6f86083180fd8b4b62c33e595f3b95690
SHA512

56e1ee74d89e3c0011f782dff6d6f5035aa58591946b480a27705568fff6be0e522d5cdee7a953c58e0547be5dc53d624be32399dccc50b1417788f0491e7035
SSDEEP

3072:geBYRwVVpGya2NGpr2iAJ/bPnXh64uvfG5:LuRYOYNGpr2Zh64unG5

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_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-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\pak_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2592	AcroRd32.exe
2592	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2944	2036	cmd.exe	29
PID 2036 wrote to memory of 2944	2036	cmd.exe	29
PID 2036 wrote to memory of 2944	2036	cmd.exe	29
PID 2944 wrote to memory of 2592	2944	rundll32.exe	30
PID 2944 wrote to memory of 2592	2944	rundll32.exe	30
PID 2944 wrote to memory of 2592	2944	rundll32.exe	30
PID 2944 wrote to memory of 2592	2944	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\ro.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\ro.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2944
- - 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\ro.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2592

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
4e66fa258925586658cf69cf754824ad

SHA1
7dfbec904c67cef18cf0830a588e23e0a511fb05

SHA256
9e46539e698de34b3977a2df8aa62c48007c26df9ba74e6007b4ad5969b7dc21

SHA512
67e63f3c6c83f6922bc974093db3f7871f64d50a01adbdd68351a4a3149a7618afa37ba405478859cc4ad691b36e58d9c14bcdb16e338821b5bf7dc123be35a4

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