a18fa7d736daad7e5453a3ee6f96dd3d73677d46854fc59f467f10c6ae799df8

Analysis

max time kernel
119s
max time network
133s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/01/2024, 15:37

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General

Target

1640.dmp
Size

73.6MB
MD5

1b4664adba7c33a4dd6c497d8814727e
SHA1

6c314a7906f4fc7fabe47a535b78d71056e1921a
SHA256

a18fa7d736daad7e5453a3ee6f96dd3d73677d46854fc59f467f10c6ae799df8
SHA512

3ac13236be8e135397f3c48f65c84d3005bef96f02dda41b8355a2a085f4c14b95dbb19a4c0e71f37d416ef9f04c15315fdb172b23209b5431cab9d47567cf47
SSDEEP

786432:Nkm5WDZMcgn0ZaOOrHtdExgs0g80ERj/bblvfaNMR:NkmMZMcgn0ZanrHtdP0ERjTbNfaN

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-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\dmp_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\.dmp	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\dmp_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\dmp_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\dmp_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\dmp_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\dmp_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\.dmp\ = "dmp_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2620	AcroRd32.exe
2620	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2728	2188	cmd.exe	29
PID 2188 wrote to memory of 2728	2188	cmd.exe	29
PID 2188 wrote to memory of 2728	2188	cmd.exe	29
PID 2728 wrote to memory of 2620	2728	rundll32.exe	32
PID 2728 wrote to memory of 2620	2728	rundll32.exe	32
PID 2728 wrote to memory of 2620	2728	rundll32.exe	32
PID 2728 wrote to memory of 2620	2728	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\1640.dmp
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\1640.dmp
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2728
- - 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\1640.dmp"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2620

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
7f43e413fb3c16b6809cde54fbd6a2e6

SHA1
8a3253cceab34c15f7d9a85afc12392be7253af3

SHA256
9349bbb197e42be7fc60d336255b9111652e79412e2f51291b135fb4ca95478c

SHA512
585185d3338ea18a7881c5c8ab73e5f5e31abbc6b3aa6dc7fd52fdde45a99e5c01167c588dd5957d33480ff594b352b53baf171bec0893d595d3bdc5e2cac9ee

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