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Analysis

max time kernel
173s
max time network
135s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03-02-2024 06:46

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General

Target

RAM_Data/il2cpp_data/Metadata/global-metadata.dat
Size

5.3MB
MD5

f5aca820c094dbffd211a7434214ca05
SHA1

c0651b22cd6707d26180152c52828156da888bab
SHA256

85f28068fefa457ce6f6e5c91cef44598f0e51730a1c66fe8be0e28551155569
SHA512

1873027771c955011da12d30d37442e80fcc8474a32bde592b63541c4351298d3ace6841d61be066a563dd805ffa502a7e3618d29e1928dd04a957040016b1c8
SSDEEP

49152:JkSyJpFOjriJJze72vEJP6yXk4JVGxflE2o3KBeQh1KuT:xrSTvEPXkB9AKLDKA

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-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\dat_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\dat_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\dat_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\.dat	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\dat_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3004	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3004	AcroRd32.exe
3004	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2964	2756	cmd.exe	30
PID 2756 wrote to memory of 2964	2756	cmd.exe	30
PID 2756 wrote to memory of 2964	2756	cmd.exe	30
PID 2964 wrote to memory of 3004	2964	rundll32.exe	31
PID 2964 wrote to memory of 3004	2964	rundll32.exe	31
PID 2964 wrote to memory of 3004	2964	rundll32.exe	31
PID 2964 wrote to memory of 3004	2964	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RAM_Data\il2cpp_data\Metadata\global-metadata.dat
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RAM_Data\il2cpp_data\Metadata\global-metadata.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2964
- - 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\RAM_Data\il2cpp_data\Metadata\global-metadata.dat"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3004

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
2698d57987740f299ebe454135e21729

SHA1
c9076a40ece1ee63ec5cc5ac57a2219a45a9d522

SHA256
bd1e876406e6c512a644c949a6b9ba64292f5e95c7166d0dd904796234ec6546

SHA512
503e5d27179bc13105cd49ee5fd6ec032bd4dfc7c791c59691203b7747a2e9152eaf937db821487062d5ab68ec354e721abea4bea3475fa75eb149e1245294a0

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