5f9b299b71fcc639689e9906509b0dfded9e813c0a65b76b41bcfe7e01c3af86

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28/12/2023, 06:06

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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
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\apk_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.apk	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\apk_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\apk_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.apk\ = "apk_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\apk_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\apk_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_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
2848	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2848	AcroRd32.exe
2848	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2748	2496	cmd.exe	29
PID 2496 wrote to memory of 2748	2496	cmd.exe	29
PID 2496 wrote to memory of 2748	2496	cmd.exe	29
PID 2748 wrote to memory of 2848	2748	rundll32.exe	30
PID 2748 wrote to memory of 2848	2748	rundll32.exe	30
PID 2748 wrote to memory of 2848	2748	rundll32.exe	30
PID 2748 wrote to memory of 2848	2748	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\530b4f4d139f3ef987d661b2a9f74f5f.apk
1⤵
- Suspicious use of WriteProcessMemory
PID:2496
- 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:2748
- - 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:2848

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
a410ae48a035463217680b1b197e421a

SHA1
1718075f640988981819b7462ffc0e35ea013db4

SHA256
e1628debf3f338b20adc1320ce3f33fb8102cf1b8407f13d60cb8832d033ade7

SHA512
0342ac0c964d3c74ad40698cef0dc523fd4b41a9ba0d35c442382b702ef34a4c2686adcc09a19e918a798f6a4d70c3607d4b341acacf66a36d00b3ac235d3a1b

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