dcfe168ca869fc3631de17fe0c36df34a43be0b85a34c06df933ff5b0f5ec21c

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-02-2024 19:17

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General

Target

BO2 TU18/ge_patch_loc.ff
Size

192KB
MD5

5b85f6206d4ff59d37f1e71db3522408
SHA1

4c78ae5a685aca7fa6f3ebe3a0eec62fcbd67a67
SHA256

6abf8ad1cd8d18c4329e384f5c6201b0527a6151fb72eb1b2a11ab438a3fa0eb
SHA512

a045fca49c711c916059ed6189b6f727d3b026023bac743a58aaacd4c34a30ab1a28380e8408d31a212bca96093f4aa1fa8a6ff5b30b7511ac2d5569c2683133
SSDEEP

6144:rl0qutV35R/SpIbhAiqlhyTYxL9SQO2DExSv4HsXC/:rljuxRKpIOiIAcpOAExSv4MXG

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-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.ff	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ff_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ff_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ff_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ff_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.ff\ = "ff_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ff_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\ff_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2556	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2556	AcroRd32.exe
2556	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2552	2340	cmd.exe	29
PID 2340 wrote to memory of 2552	2340	cmd.exe	29
PID 2340 wrote to memory of 2552	2340	cmd.exe	29
PID 2552 wrote to memory of 2556	2552	rundll32.exe	30
PID 2552 wrote to memory of 2556	2552	rundll32.exe	30
PID 2552 wrote to memory of 2556	2552	rundll32.exe	30
PID 2552 wrote to memory of 2556	2552	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\BO2 TU18\ge_patch_loc.ff"
1⤵
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\BO2 TU18\ge_patch_loc.ff
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2552
- - 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\BO2 TU18\ge_patch_loc.ff"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2556

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
21994656460e80e47ba1a7f285a90f53

SHA1
9b5abf87847b1e8b5726c13222b8d1d0749232b1

SHA256
416e1e92f51d5d5efcd19d956eecbc9c14f71add93b29bb606e3a67a872df568

SHA512
93e03064bcf952496749827c075d7dad35d6a98a19635d02ca1778972aa7de2f03cc2fa5725e5c9d7f8e0864160cf21e09869ea8fc77e270abd7b83a2d70769a

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