71d5519808acc096442cfe563f176726faed6ec7ffef19694c09597dc3f33e7c

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
23-06-2024 02:39

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General

Target

res_mods/1.23.0.0/scripts/client/gui/mods/mod_a.pyc
Size

114KB
MD5

a2f3ded45da8870e93e5d2186dab27e8
SHA1

3f8e0cddecc3827b33ec02cd78d192c18f1ddf82
SHA256

fc19237a4e9ae65829dbde384ce0de2c78b22d9577384dded9d4cde569a12742
SHA512

438621491061c7f14f59c48d0d2fdd637a17c058df13417e21d660d81632dbb826a6144032f6f9192ab9bb0afb46b8f6cf3982879dc9942261c2538dbd17187c
SSDEEP

3072:k6BVH7SBjeSCbupKVfG2yQJ23J+Svsy9k/TukuPMh:zrbKeWmDyQ+13kOPMh

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1972	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1972	AcroRd32.exe
1972	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2568	3036	cmd.exe	29
PID 3036 wrote to memory of 2568	3036	cmd.exe	29
PID 3036 wrote to memory of 2568	3036	cmd.exe	29
PID 2568 wrote to memory of 1972	2568	rundll32.exe	30
PID 2568 wrote to memory of 1972	2568	rundll32.exe	30
PID 2568 wrote to memory of 1972	2568	rundll32.exe	30
PID 2568 wrote to memory of 1972	2568	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\res_mods\1.23.0.0\scripts\client\gui\mods\mod_a.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\res_mods\1.23.0.0\scripts\client\gui\mods\mod_a.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2568
- - 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\res_mods\1.23.0.0\scripts\client\gui\mods\mod_a.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1972

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
8f444309a8343b870e5b4c67bd91a70a

SHA1
833507bad0293063bfc1f776d31a08fb5ea0e6b8

SHA256
95ab053a35aac1e94247103e684fc4733a0d76e839623ea4a493c5212c0a0862

SHA512
98f02dc37628819464adadfa05db0dad848c80323a107a1644a30a65e2f2811bced2563c9ba8b865509edeb13a1ef4470a13f617d91105e2c4114299746120eb

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