dcfe168ca869fc3631de17fe0c36df34a43be0b85a34c06df933ff5b0f5ec21c

Analysis

max time kernel
118s
max time network
131s
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/fr_zm_transit_dr_loc.ff
Size

6KB
MD5

331f2b7ce3923ce6e3c9bb57e9b0b2ef
SHA1

e84c0916de632f082a18aa645610feec7145924d
SHA256

701a58ed461a2952c33a3b267c6dca27ad3ec53fc50e79d97ca7abb6cb68c9aa
SHA512

b2b329163c5e76aff026f69238a024c3597c8510cf3386ade8a9922b0e3446c4550e12d44dc9b6acb560f422393399bf6c3f33dd2fab147a02cf312165613607
SSDEEP

192:/d9v6+y7vTGPgdCltLB0/MHF1gj2Lv1yxC6roL7H81OIL:/d9vivTjIltKwe2Lv1+OD81OS

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-1-5-21-330940541-141609230-1670313778-1000_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-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ff_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.ff	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ff_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ff_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ff_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.ff\ = "ff_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ff_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2288	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2288	AcroRd32.exe
2288	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2876	2188	cmd.exe	29
PID 2188 wrote to memory of 2876	2188	cmd.exe	29
PID 2188 wrote to memory of 2876	2188	cmd.exe	29
PID 2876 wrote to memory of 2288	2876	rundll32.exe	30
PID 2876 wrote to memory of 2288	2876	rundll32.exe	30
PID 2876 wrote to memory of 2288	2876	rundll32.exe	30
PID 2876 wrote to memory of 2288	2876	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\BO2 TU18\fr_zm_transit_dr_loc.ff"
1⤵
- Suspicious use of WriteProcessMemory
PID:2188
- 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\fr_zm_transit_dr_loc.ff
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2876
- - 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\fr_zm_transit_dr_loc.ff"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2288

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
0c0c0f0b34c353328a7b7d01e98fae7d

SHA1
09eaaba5b42120b5f7b978e0dc3fc586ec5ef4c7

SHA256
21cb5098e9c0cbfa5cfe9f826a592e47905e97f61da52fa6e72e9aa9b3b174d2

SHA512
96f5cde3caf7b897326baeb3c0cbe37de41856c7c4866dc072c52290e6125773b27a0d6a22535c411e3c749b539993caa6bc180d35914c132cce9337b5e41fbf

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