dcfe168ca869fc3631de17fe0c36df34a43be0b85a34c06df933ff5b0f5ec21c

Analysis

max time kernel
120s
max time network
128s
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/en_patch_loc.ff
Size

180KB
MD5

55ccf72da233d11dc5d3fa59044aac94
SHA1

d715e141fe09cf967e6f3a139ff090ac5067294a
SHA256

1c2fa1622b28e08e0c80e136be80c0a2b41f51253edfce766050057fd37183d1
SHA512

bc1fc769f2829b2540afda088b257c3d640a57f1e8f1e4a83b8444f49ef5470e553391703e56da5838e63ec95e6b6c9a4dc8172ea7b0cd49466fafc57fe51679
SSDEEP

3072:BMUUc/k7UbFgUV/w5hQ0Zd7fr33qWnRxnmI/gjGoi2e/fVeelDizo43GTS4ie7wR:BtUcMYbFgUd2hQid7JRxmILl9BlDizoM

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-1-5-21-778096762-2241304387-192235952-1000_CLASSES\ff_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\ff_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\ff_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\ff_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.ff	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.ff\ = "ff_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\ff_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\ff_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
2612	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2612	AcroRd32.exe
2612	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2668	2180	cmd.exe	29
PID 2180 wrote to memory of 2668	2180	cmd.exe	29
PID 2180 wrote to memory of 2668	2180	cmd.exe	29
PID 2668 wrote to memory of 2612	2668	rundll32.exe	30
PID 2668 wrote to memory of 2612	2668	rundll32.exe	30
PID 2668 wrote to memory of 2612	2668	rundll32.exe	30
PID 2668 wrote to memory of 2612	2668	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\BO2 TU18\en_patch_loc.ff"
1⤵
- Suspicious use of WriteProcessMemory
PID:2180
- 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\en_patch_loc.ff
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2668
- - 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\en_patch_loc.ff"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2612

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
8b5337a8c1c245d40b6d7675680795da

SHA1
6f00541e0f95973f9c6085a7345aa42010bedfa3

SHA256
bee36a28df015b9fbce6eb2205dca0872cafed2137e64bf5ba30c1cae7e00a5e

SHA512
e9ed9c0b184443bc3fefebe2f128b287f2150ba4b7ade1b566e60474020d07b4411a0440ef50bfed9c28b4673f19b900e7833dde8e524ee0f0c42e1f0bf1dbc2

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