0d5daf0db9425d3b728def97f142534b0f2cef800006945aa61904205784c118

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
09/10/2023, 20:34

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General

Target

eduke32_win32_20231007-10494-17844a2f6.7z
Size

4.0MB
MD5

5feb96ca3bdb4605e568df3446cca74f
SHA1

358ed6060e45c7371ee075b56d536252960b7002
SHA256

0d5daf0db9425d3b728def97f142534b0f2cef800006945aa61904205784c118
SHA512

4933b09f005372607118201d71393190fefcec8b23be05861cb1bcf5cad9ece95937358b1cb024d75bb5b3463064acee33dcc192ff2e435c5c292417f5d1f094
SSDEEP

98304:iOyFIgpdQ6GK9xbJO++814X+qwoCg7Q8pcP:itFIa1xbJOKOwo68p0

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-1-5-21-3849525425-30183055-657688904-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\7z_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\7z_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\7z_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\7z_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\.7z	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\.7z\ = "7z_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\7z_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\7z_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
2948	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2948	AcroRd32.exe
2948	AcroRd32.exe
2948	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2700	2212	cmd.exe	29
PID 2212 wrote to memory of 2700	2212	cmd.exe	29
PID 2212 wrote to memory of 2700	2212	cmd.exe	29
PID 2700 wrote to memory of 2948	2700	rundll32.exe	30
PID 2700 wrote to memory of 2948	2700	rundll32.exe	30
PID 2700 wrote to memory of 2948	2700	rundll32.exe	30
PID 2700 wrote to memory of 2948	2700	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\eduke32_win32_20231007-10494-17844a2f6.7z
1⤵
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\eduke32_win32_20231007-10494-17844a2f6.7z
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2700
- - 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\eduke32_win32_20231007-10494-17844a2f6.7z"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2948

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
43642144f3c0b59ff577fb61923aca4f

SHA1
f5f90ddb126129d3059a7e0547adba474fc1da67

SHA256
f184b1556857d11273f37d6f21985a733bfbc0cceced17d795ebbde1c480534b

SHA512
b34558d8177b941818ed817a310e978dba8e5cf533de68df40ed29c11dad0e46f73f2cb34f37dae66f7e60f2136f23856a5657ed2fa7d7a4f91e76df022c6d2b

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