0bf30e9e9446bb909d3459669312f5982f6af0a3dd1d61eb141c386785b52331

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 11:22

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General

Target

R B X 1 2 5/config.vdf
Size

14KB
MD5

bb23e26ed15c9951460513efdb0b7ac7
SHA1

41e15b1f30840160ea095f0f415ac3afd6d06968
SHA256

9fce8b4ac41455418615f2785199f72d7fe6ce39d8cd9182027a752c4f26d04a
SHA512

f3f3e7ef4765520554fcb523b43f448b28b29fbbf150657728084b720fca4568a23a3846f37f3c57b6710fdeb3761fecc190f468944ba1a687aad0e8f7af1093
SSDEEP

96:o9lCt/5KFdRBQ20LPr7U8Op3y47Zu/ZqaJOTFogkU:o9MtBKFdRBQ20LPr7U8OBlsRq8gkU

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\vdf_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.vdf	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.vdf\ = "vdf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\vdf_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\vdf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\vdf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\vdf_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\vdf_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
2880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2880	AcroRd32.exe
2880	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2132	2508	cmd.exe	31
PID 2508 wrote to memory of 2132	2508	cmd.exe	31
PID 2508 wrote to memory of 2132	2508	cmd.exe	31
PID 2132 wrote to memory of 2880	2132	rundll32.exe	33
PID 2132 wrote to memory of 2880	2132	rundll32.exe	33
PID 2132 wrote to memory of 2880	2132	rundll32.exe	33
PID 2132 wrote to memory of 2880	2132	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\R B X 1 2 5\config.vdf"
1⤵
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\R B X 1 2 5\config.vdf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2132
- - 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\R B X 1 2 5\config.vdf"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
c9bc59f9239e85d1b2409beb3ca679e2

SHA1
c54f0d37ac3cf3c0f7719c35175d706a34df0f6a

SHA256
73d83649564461bb568f9a38490ee007cfc0dd057c73396a3f236cec19fe8031

SHA512
b2cf5cd56de3c0a748ac638b40d0da93ac10a40625cf3c4c0adef0e9bbe8bd382d698c2f03d642c2e0c0385cd70c5c7738bbd9fa008e2a35418a71d5c5892c8b

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