df0b5dec580dacc7a825114817e91bfc77378f553caf38920d73f17c0b05de59

Analysis

max time kernel
301s
max time network
127s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
01-11-2023 04:53

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General

Target

df0b5dec580dacc7a825114817e91bfc77378f553caf38920d73f17c0b05de59.apk
Size

986KB
MD5

f781050ed3b5e54fb70798e8f45b45f1
SHA1

1420adb2722bee5ffd8451a255d456c2f3939d4d
SHA256

df0b5dec580dacc7a825114817e91bfc77378f553caf38920d73f17c0b05de59
SHA512

19f09a1b003043458ecbe5f247f7ef9113e11744e6fbcf6b41d10c16b25c8b14c890d1fd6719bd47151f1d02ce04b20fdb54c5968180fb06dc33f10182a02506
SSDEEP

24576:v1X2ldFd0cbu8sVCz6QXEZw2mgaD7wvtuLoccgSeUYI:NAFdDqVCWQXEZw2mgi8NccgSJ

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-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\apk_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\apk_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\apk_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_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-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\apk_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\apk_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\.apk\ = "apk_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\.apk	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2676	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 2780	1168	cmd.exe	29
PID 1168 wrote to memory of 2780	1168	cmd.exe	29
PID 1168 wrote to memory of 2780	1168	cmd.exe	29
PID 2780 wrote to memory of 2676	2780	rundll32.exe	30
PID 2780 wrote to memory of 2676	2780	rundll32.exe	30
PID 2780 wrote to memory of 2676	2780	rundll32.exe	30
PID 2780 wrote to memory of 2676	2780	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\df0b5dec580dacc7a825114817e91bfc77378f553caf38920d73f17c0b05de59.apk
1⤵
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\df0b5dec580dacc7a825114817e91bfc77378f553caf38920d73f17c0b05de59.apk
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2780
- - 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\df0b5dec580dacc7a825114817e91bfc77378f553caf38920d73f17c0b05de59.apk"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2676

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
5924d91570660801cd334071631cd95c

SHA1
e666625a566304c3ddfb41db977e721f08b72c02

SHA256
4c3553850efbb4c46f18b5eeccfc9d7b60ee967f084a0fef8aa8bfa4b96ed0ca

SHA512
864e3748dee51cbeaeeb9c215798bf969df66f582fdc0d66d276fe979f396afb67a4214f680f5b0dfeae46557911f3be3d179113d05d801d652a22441b24b5f9

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