b1865a08154364f00bc4350a99012043bfca5b14734fb8ab505ade40dd6a0cc2

Analysis

max time kernel
118s
max time network
136s
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/bg.pak
Size

631KB
MD5

9dc95c3b9b47cc9fe5a34b2aab2d4d01
SHA1

bc19494d160e4af6abd0a10c5adbc8114d50a714
SHA256

fc4a59ea60d04b224765be4916090e97ed8ddda6b136a92a3827ed0fcc64bb0e
SHA512

a05a506a13ac4566ecbfe7961ace091295967ea4e72a2865e647b5fa9adac9f7cf5e80b53fae0e3917dfb0b9a3f469189cd595cc4ae9239d3a849f5cedd60e46
SSDEEP

12288:mEJqOwccalYrdAs1alUx42aVVwslyLKmF/RY3YKN3R5ObDGIV+Jfu64KyzEfSZpR:vqAZlYrdAs1alUmys8lY3YKT6q2Qu6pu

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-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_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-1-5-21-39690363-730359138-1046745555-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pak_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2612	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2612	AcroRd32.exe
2612	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 2816	1532	cmd.exe	29
PID 1532 wrote to memory of 2816	1532	cmd.exe	29
PID 1532 wrote to memory of 2816	1532	cmd.exe	29
PID 2816 wrote to memory of 2612	2816	rundll32.exe	30
PID 2816 wrote to memory of 2612	2816	rundll32.exe	30
PID 2816 wrote to memory of 2612	2816	rundll32.exe	30
PID 2816 wrote to memory of 2612	2816	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\bg.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\bg.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2816
- - 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\bg.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2612

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
cce7b41645d0db57b487ac969098a77d

SHA1
debbdc7297203fb5af0f8261e78f47e94c6042f2

SHA256
73e37aafbab073ad4ac2d836bd1fbc43a1b9b585538cc314e8ff0149fe2d47d7

SHA512
657ab79c7e417628381ec5d7cebacab8d72d13c5817fd649355d80c970522ac4eb1a59dadefc67a556f0032cc360a3ca6dbe7b4fd16248d29b2abdf972427d5b

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