0ccf9d46633ad337dd31852311e9c4e7906c579af584a9eb77725360a6028ba5

Analysis

max time kernel
122s
max time network
131s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 19:30

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General

Target

locales/am.pak
Size

756KB
MD5

4eaa15771058480f5c574730c6bf4090
SHA1

2b0322aae5a0927935062ea89bd8bd129fa77961
SHA256

b05dcb8136751aee5eced680a5bad935e386bfce657dd283d3ec00ee722fd740
SHA512

b67e7dd24eadc91d4cd920f8864cfb23a9c67b2cecd54ec97e01705636604ce504dc417d6af1c53f374b58eddf71a12bb82248bd8fd68307161d4833342681a9
SSDEEP

12288:sjsuGn8MVs2TZIuHzLzxBT2qE36jpECuzA+5P9LlVrClOwPQVx30jH8+F:HnG2TZVLzxwqEqjpECuzA+5P9LlVrClj

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-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_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-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pak_auto_file\shell	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 3056 wrote to memory of 2648	3056	cmd.exe	29
PID 3056 wrote to memory of 2648	3056	cmd.exe	29
PID 3056 wrote to memory of 2648	3056	cmd.exe	29
PID 2648 wrote to memory of 2612	2648	rundll32.exe	30
PID 2648 wrote to memory of 2612	2648	rundll32.exe	30
PID 2648 wrote to memory of 2612	2648	rundll32.exe	30
PID 2648 wrote to memory of 2612	2648	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\am.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\am.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2648
- - 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\am.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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
3b3dd0df512be7574f6924db34b12a34

SHA1
aaf46b20e1bfb2263e961b91bd9ad3524236a3a4

SHA256
a558ae0cebdb247670920346111ffb3a59fbba787aa10a5eb7022b0b03bd3b89

SHA512
4cf57512cd822802b78c7623f6104c4bdc6ade8b73628167bd6cce972dae8cd3e6c17561d4ae27895044b26dbee8e78ad63a003ed8de774460665f2aa59c49dd

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