d7dafb1954e6216b222a0a74a7b8f3d9ab12a4101699a93df8cdf8e7dfc348cb

Analysis

max time kernel
1561s
max time network
1566s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02/03/2024, 14:36

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General

Target
SP/languages/ko/translation.mo
Size 50KB
Sample240302-ryqqlsee76
SHA256 dd6d1dacef96225413043914fb7ae5beabafc72969b6312e47dce033896c32fc
MD5 9f0282e5e1e42e196a48261f57247637
SHA1 dc80d18ec9a1244120a1feb1a3e70a058468642d
SHA512 e6d5535e182c5ea005e73d0c0277fc4732164b6b65c2faf8231fb269a0b524e63b8db8629aa1083fb23eab09f881cad1aa260db95b5ba26a07eb3ddf43459916
SSDEEP 768:4ZPGJxjqIDMI7PW2DH3PdVvW/h7jjdeq5DPFBhwifn6K5y0/HxdJO:4AJxWWBDFDH3PW/hJJNwiSK5lU
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-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\mo_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\.mo\ = "mo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\mo_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\mo_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\.mo	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\mo_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\mo_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\mo_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2640	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2640	AcroRd32.exe
2640	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2900	1948	cmd.exe	29
PID 1948 wrote to memory of 2900	1948	cmd.exe	29
PID 1948 wrote to memory of 2900	1948	cmd.exe	29
PID 2900 wrote to memory of 2640	2900	rundll32.exe	30
PID 2900 wrote to memory of 2640	2900	rundll32.exe	30
PID 2900 wrote to memory of 2640	2900	rundll32.exe	30
PID 2900 wrote to memory of 2640	2900	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\SP\languages\ko\translation.mo
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- 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\ko\translation.mo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2900
- - 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\ko\translation.mo"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2640

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 3293ea4e81addc063513232f3008c902e8b05d1ee2230f01e4eeeef9d9e5a4bd
MD5 9c4c180a71b1420f23050f44366c451a
SHA1 78f30b46a3a6589827c73c7e1aab17113e397a4b
SHA512 34070131190c344427bd6a31ecf8ecf7f8f3bc85ff704b11bc5c49efab5feb9ac0f032b053828b28990bd592f98e33735d90f6ace1c5b247643af1f7414cf08f
MD5 SHA1 SHA512

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