d7dafb1954e6216b222a0a74a7b8f3d9ab12a4101699a93df8cdf8e7dfc348cb

Analysis

max time kernel
1559s
max time network
1560s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
02/03/2024, 14:36

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General

Target
SP/languages/ja/translation.mo
Size 54KB
Sample240302-ryqqlsee76
SHA256 7a6b8050163aace177a004a2cf14eaa825229e7e3366318517f2ed434563cd87
MD5 d16294852611eb3fbe3d7407878148b0
SHA1 990c4500a0c11e82639d15c0bc66f4a0686b0540
SHA512 010a9a614c413ce5ba2ba1244e5c2c2420ed7c76be4fc20b4f01c4784fdeb7c39df7e9de98334a5327133557116c6d6cb6d44e346fb4e7f26288b1842382d257
SSDEEP 768:4ZPGJGCVca7PW2DH3PdVvW/h7jhQhq5Kzil6jwjohno:4AJGCiaDFDH3PW/h5Qq5Kzil6Aohno
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mo_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.mo	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mo_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mo_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.mo\ = "mo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mo_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mo_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mo_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2540	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2540	AcroRd32.exe
2540	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 2528	840	cmd.exe	29
PID 840 wrote to memory of 2528	840	cmd.exe	29
PID 840 wrote to memory of 2528	840	cmd.exe	29
PID 2528 wrote to memory of 2540	2528	rundll32.exe	30
PID 2528 wrote to memory of 2540	2528	rundll32.exe	30
PID 2528 wrote to memory of 2540	2528	rundll32.exe	30
PID 2528 wrote to memory of 2540	2528	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\SP\languages\ja\translation.mo
1⤵
- Suspicious use of WriteProcessMemory
PID:840
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\SP\languages\ja\translation.mo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2528
- - 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\SP\languages\ja\translation.mo"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2540

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 49cf7050720877d62c350628ac369e561815c626042d0a26ce31387708c9ca59
MD5 2d1ea1df5cadffcf8e679bc75d85e890
SHA1 751c44afb455a49d4339a807e01459c01053b386
SHA512 4a28db43e268e2c14ae1a93644baa2c639c562f43bfa42d0be4b101d8af9cf89fda094c55ac9216f82e87e447d4f8e41a5a50e4633fa52b2d9467b8be90f7aab
MD5 SHA1 SHA512

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