d2379b6baab95a3cf0be78b228374082ca9ee5b76510c7b333c95af38db24e7e

Analysis

max time kernel
157s
max time network
68s
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

sharedassets186.resource
Size

68KB
MD5

b853268496bf8fe646e2aa86c15627ac
SHA1

2cb34a674e36ea9fcb5b247dd4744682d9630138
SHA256

b8eedcea0229438fbd27b13a085dbf8711b46b3128e545974286788dd79deaee
SHA512

f39d7cd375dddedd9cc5128e0d6b6c396cf9fec66356085754f0d30d6fd1473f04c2250d8281b27c678561ba7fd8133cd3b46e7bcb4d593a8e69764112c97e26
SSDEEP

1536:keQQEOQg0aA4QomWXH7hEaAv7Tc9znHqNQELgoxaVW0m1H2B5S:eQI6A4Sc9znA880m1WC

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-1-5-21-3513876443-2771975297-1923446376-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\resource_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\.resource\ = "resource_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\resource_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\resource_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_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-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\resource_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\resource_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\.resource	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2668	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 2616	1756	cmd.exe	31
PID 1756 wrote to memory of 2616	1756	cmd.exe	31
PID 1756 wrote to memory of 2616	1756	cmd.exe	31
PID 2616 wrote to memory of 2668	2616	rundll32.exe	32
PID 2616 wrote to memory of 2668	2616	rundll32.exe	32
PID 2616 wrote to memory of 2668	2616	rundll32.exe	32
PID 2616 wrote to memory of 2668	2616	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\sharedassets186.resource
1⤵
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\sharedassets186.resource
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2616
- - 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\sharedassets186.resource"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2668

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
27cf28b291105f191b0f360a9eefb11b

SHA1
abd624a4cbc9831281469c2f942069fb87af1cfa

SHA256
8c18473ed038cd3ba3ae345b2fbb4901afb3fcc5c30be179352302cee1481444

SHA512
6611b0ef7baa6e3da43e4d2af1c52a4c951891c937f06446c68cb24eb2ebcd7eecc5dcba420c1ecfd25a778dd3352e6fc4266784352ca86bf09d12287729218d

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