23dd1985e7eb19905727a72e4ad86208abae8b3b4a1168830a0fd0eff7929ae2

Resubmissions

07/09/2022, 06:49

220907-hlctjsbca4 3

07/09/2022, 06:07

220907-gvh69agddn 3

Analysis

max time kernel
150s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
07/09/2022, 06:49

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General

Target

new.apk
Size

2.2MB
MD5

0d8b8627d66dddd7a4bb95875e9bb048
SHA1

5685e11ced8021bc52c085b9f3d445acddfec349
SHA256

23dd1985e7eb19905727a72e4ad86208abae8b3b4a1168830a0fd0eff7929ae2
SHA512

0ac378e423ff6200994eed938aa8390118f3e35003ec70e1b9fe2c03682dc342740af8f787438641005430a896de739ddca3f6df06dcdc2a89ae99774b5a1a31
SSDEEP

24576:zj4fGSkR2MIVgvlBhdv7qda4FyEn6x2EaRhRWBfUbNKho/o41BV:zj4CIMIyvl1OYiyE6QEGhTNKCQSV

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.apk\ = "apk_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\apk_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\apk_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.apk	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\apk_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_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-1-5-21-4063495947-34355257-727531523-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\apk_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\apk_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 1880	1184	cmd.exe	28
PID 1184 wrote to memory of 1880	1184	cmd.exe	28
PID 1184 wrote to memory of 1880	1184	cmd.exe	28
PID 1880 wrote to memory of 1532	1880	rundll32.exe	29
PID 1880 wrote to memory of 1532	1880	rundll32.exe	29
PID 1880 wrote to memory of 1532	1880	rundll32.exe	29
PID 1880 wrote to memory of 1532	1880	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\new.apk
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\new.apk
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1880
- - 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\new.apk"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1532

Network

MITRE ATT&CK Enterprise v6

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

memory/1184-54-0x000007FEFB631000-0x000007FEFB633000-memory.dmp

Filesize
8KB

Download
memory/1532-82-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download