89c5e17054a661b5cd4562dc7e6e7a1529e6fd91067af6b299bdcef608365b57

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
07/08/2024, 10:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ad20a5da9acba492406b1117268a7951.apk
Size

91KB
MD5

ad20a5da9acba492406b1117268a7951
SHA1

6f4a1ac63e2383a80167899076bc416336a5f908
SHA256

89c5e17054a661b5cd4562dc7e6e7a1529e6fd91067af6b299bdcef608365b57
SHA512

33451c723ac9271ab31b76ca77e32f4f4f4432889b7176f04de96cda65140d988c944248a5f379e54ea44d9aca44ad9d394735c4a3da2834e422071b96fa06bc
SSDEEP

1536:NJc5C7U9KCP6pBQGsHHSXfSLHbxCRwnGpS:NJc51syUQdHyXAbxCanQS

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\apk_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.apk\ = "apk_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\apk_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\apk_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\apk_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.apk	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\apk_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\apk_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
736	AcroRd32.exe
736	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2040	1932	cmd.exe	31
PID 1932 wrote to memory of 2040	1932	cmd.exe	31
PID 1932 wrote to memory of 2040	1932	cmd.exe	31
PID 2040 wrote to memory of 736	2040	rundll32.exe	32
PID 2040 wrote to memory of 736	2040	rundll32.exe	32
PID 2040 wrote to memory of 736	2040	rundll32.exe	32
PID 2040 wrote to memory of 736	2040	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ad20a5da9acba492406b1117268a7951.apk
1⤵
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ad20a5da9acba492406b1117268a7951.apk
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2040
- - 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\ad20a5da9acba492406b1117268a7951.apk"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
9b4e503183225f376dd35279b93d2eb5

SHA1
52e06d6719adbf7c2e0fe4d8e0655746858b42a8

SHA256
7bac81bb48fb46b34fb204591122141fb4e7f8a159c2212f1c2cab6c0103c652

SHA512
4b6fdef87fbb8dc03d35de99c198e575c3d848ad74c2b836557549c7da98d5b56c46e547802f89d176c58ef4e12ea5327a50e765e7f593422cf0326a5e1ea75e

Download Submit