d2379b6baab95a3cf0be78b228374082ca9ee5b76510c7b333c95af38db24e7e

Analysis

max time kernel
156s
max time network
102s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
10-10-2023 08:14

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General

Target

sharedassets192.resource
Size

36KB
MD5

6d8700646b3abacd3c08766489507842
SHA1

79b640175b6897de44a64d25c3863d083c33fa44
SHA256

2d187fcbb4fd039e24d9fd3a31d4c1f454a58c6a1ebb5693853bc2be40ce5a79
SHA512

4f8a25a171e5d847cfe56c8f2b5558b4b9f212108d7aa2d849b24e4a96f3c5881f93118db9876bc2a13ff3dea1f2c2ebeb7190a0aced2a717cc2f357c1f1e6b9
SSDEEP

768:iVZYYO1OHGDpeHA50HCaLadmYtULdwzjXe66PfxOJLZ6pU15HK0s5VC:iVZY0HGQg52wmY6+oPfxWZGU15q0OVC

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-1-5-21-3185155662-718608226-894467740-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_CLASSES\resource_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_CLASSES\.resource	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_CLASSES\.resource\ = "resource_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_CLASSES\resource_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_CLASSES\resource_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_CLASSES\resource_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_CLASSES\resource_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000_CLASSES\resource_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2596	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 1392	1544	cmd.exe	29
PID 1544 wrote to memory of 1392	1544	cmd.exe	29
PID 1544 wrote to memory of 1392	1544	cmd.exe	29
PID 1392 wrote to memory of 2596	1392	rundll32.exe	30
PID 1392 wrote to memory of 2596	1392	rundll32.exe	30
PID 1392 wrote to memory of 2596	1392	rundll32.exe	30
PID 1392 wrote to memory of 2596	1392	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\sharedassets192.resource
1⤵
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\sharedassets192.resource
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1392
- - 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\sharedassets192.resource"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2596

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
1b132a1471b415c2b10f30a25bd24af0

SHA1
abcb5ce320d911999a9f8ea8d8cb659233b36a55

SHA256
589fd2c68000bf86d57955f4b2e0bac2a52938c4711c8ac8311197355cc2e083

SHA512
d5c26f12278b37e7cde1829214d2c45fe475f3543d1a26eef5e9505c0d07304ae1ead672f827527264dcfa7a76f4b4282eeae068cff018df75fe8e0b251c3845

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