dcfe168ca869fc3631de17fe0c36df34a43be0b85a34c06df933ff5b0f5ec21c

Analysis

max time kernel
117s
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_zm.ff
Size

44KB
MD5

eec04d688878d37e376c8936ec3bee0c
SHA1

479c78b6dc20f51f70e22f6081733a4647a6fd3a
SHA256

234a9d7739a7435052247f9b339daeac57fd952dc520427d3275193833529653
SHA512

e460e2dc4ae701399a9fa9a84723d97258c070beaa6ccfe2949231f31deb92b762ce5aad54fc228342b3541d42b7d1dda6bc4fa2a770ae3565f102e905c5e51b
SSDEEP

768:Cy1mfTb++GT0HTnqEJgOoRhDHqsnns4wZCtLAFQFksuG0n/uUrN543XX/87JpQTE:d1mj9rqEJgOojDHYdI4nnnLp+3SU

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-1-5-21-1650401615-1019878084-3673944445-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\ff_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\ff_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\.ff\ = "ff_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\ff_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_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-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\.ff	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\ff_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\ff_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2492	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2492	AcroRd32.exe
2492	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2644	2008	cmd.exe	29
PID 2008 wrote to memory of 2644	2008	cmd.exe	29
PID 2008 wrote to memory of 2644	2008	cmd.exe	29
PID 2644 wrote to memory of 2492	2644	rundll32.exe	30
PID 2644 wrote to memory of 2492	2644	rundll32.exe	30
PID 2644 wrote to memory of 2492	2644	rundll32.exe	30
PID 2644 wrote to memory of 2492	2644	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\BO2 TU18\en_patch_loc_zm.ff"
1⤵
- Suspicious use of WriteProcessMemory
PID:2008
- 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_zm.ff
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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_zm.ff"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2492

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
a9064f72671cc7b30151019e54e5a228

SHA1
1fd15d97f8c9edd6b771f63a3f549b5d81e23c1a

SHA256
d4f195548ce350c8a65dadad77fb48f2f5889378f8da6244f00f8aab0ae2f9ce

SHA512
9d61c40925bc9207f136221079e4cd8dd074a8161219811b31ace0f25af0279824bfe300786be7913a220954587249c1c01dacbbdfab3027bcccbbdb16ab5d74

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