f5eb4c418e14eb104bfe49e49be961c903ed740279b97035d6d0ce6f8758f34e

Resubmissions

08-06-2024 02:24

240608-cvn1aaff5x 8

08-06-2024 02:06

240608-cjt26agd83 10

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-06-2024 02:06

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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-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_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-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2544	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2544	AcroRd32.exe
2544	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2620	2988	cmd.exe	29
PID 2988 wrote to memory of 2620	2988	cmd.exe	29
PID 2988 wrote to memory of 2620	2988	cmd.exe	29
PID 2620 wrote to memory of 2544	2620	rundll32.exe	30
PID 2620 wrote to memory of 2544	2620	rundll32.exe	30
PID 2620 wrote to memory of 2544	2620	rundll32.exe	30
PID 2620 wrote to memory of 2544	2620	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:2988
- 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:2620
- - 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:2544

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
a42f8917a87280df6aadbbd6fab70c98

SHA1
8329ac92f2c78fb80e755b91d563a3278a8873f0

SHA256
f362edba62a14bd3ad771529b40d336a28b8867c1d44f0638e151194f2f75cac

SHA512
20ea49963e04c9f51b7a6558c99ee0325f73cd04c3557fbdeb3257f0a483128d4c0a012a241f6e7de0853e9e5290844859f4382df6752a1f4ea2ce178329b241

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