5f9b299b71fcc639689e9906509b0dfded9e813c0a65b76b41bcfe7e01c3af86

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 01:44

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General

Target

530b4f4d139f3ef987d661b2a9f74f5f.apk
Size

27KB
MD5

530b4f4d139f3ef987d661b2a9f74f5f
SHA1

cf1267119890c3b663fbffe5fbf4d8116316d88c
SHA256

fa538fc20af8aa198db5e932b2afaf9710633a49cf3e19b7465175520e3e8b47
SHA512

bc86a69e2a525bcd951d336b97e5ed99a75223f969b5ef4c77293b9a04f746263eaeb4f164e0c31389801c294776d30bee8df6584ac102196902d09d5f100eb4
SSDEEP

768:20gSC730q3+QRzjuBR8zlZtkDd1BKgTeawda6I6X6l64vfiobQTbv3yHtAN8a1LY:2Be/c/ShUWaRW7

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-1-5-21-778096762-2241304387-192235952-1000_CLASSES\apk_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\apk_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.apk	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\apk_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\apk_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.apk\ = "apk_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\apk_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\apk_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2656	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2656	AcroRd32.exe
2656	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2560	2684	cmd.exe	29
PID 2684 wrote to memory of 2560	2684	cmd.exe	29
PID 2684 wrote to memory of 2560	2684	cmd.exe	29
PID 2560 wrote to memory of 2656	2560	rundll32.exe	30
PID 2560 wrote to memory of 2656	2560	rundll32.exe	30
PID 2560 wrote to memory of 2656	2560	rundll32.exe	30
PID 2560 wrote to memory of 2656	2560	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\530b4f4d139f3ef987d661b2a9f74f5f.apk
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\530b4f4d139f3ef987d661b2a9f74f5f.apk
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2560
- - 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\530b4f4d139f3ef987d661b2a9f74f5f.apk"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2656

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
bb51ccd2c80a806c898fc5bd4072690b

SHA1
0e8475a824225e807c5727577b31b16564314696

SHA256
ec0c76a0e889516a5b348fcf4091f7dc38950dc61f4b522f6b0f824993e64ac5

SHA512
50c0b8524d63a3695adae640cec5159d983faa9cb5f459b031a68a5a20e4e39cec8f8ab2444c4252fab79da3c9d7f225bd83ba9605742c4ffe6afeef32b072e9

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