b2349586d567f9ba581e4e595d66a84d54751d6ae249615f5467a85534012757

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
21/04/2024, 22:17

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General

Target

noheadbob.ba2
Size

369KB
MD5

bc3107a8ddb4ac821e5dfcb3063e5640
SHA1

c775ac028eaac3fb0dae1281bc4d1023181f61db
SHA256

b2349586d567f9ba581e4e595d66a84d54751d6ae249615f5467a85534012757
SHA512

f5e8736e5e582459331126a9dd37921cdccdfd8bae1907bb1fd1240d9d76c58c3763153f1aaf84f84626e0b71a2bd97fed327961d515ddfd80c6c3273dfdf401
SSDEEP

6144:v1xjKSBNMI99zCaM/Ix66WFXdTgv90miXl47A5+K8OqZHVS0eHkOU7zDm6eG5w:vB75M/Ik6WMntA5+K8OqZ1S93UnDOG5w

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-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.ba2	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ba2_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ba2_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ba2_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ba2_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ba2_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.ba2\ = "ba2_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ba2_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2460	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2460	AcroRd32.exe
2460	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2648	2632	cmd.exe	29
PID 2632 wrote to memory of 2648	2632	cmd.exe	29
PID 2632 wrote to memory of 2648	2632	cmd.exe	29
PID 2648 wrote to memory of 2460	2648	rundll32.exe	30
PID 2648 wrote to memory of 2460	2648	rundll32.exe	30
PID 2648 wrote to memory of 2460	2648	rundll32.exe	30
PID 2648 wrote to memory of 2460	2648	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\noheadbob.ba2
1⤵
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\noheadbob.ba2
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2648
- - 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\noheadbob.ba2"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2460

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
7e767f445d8b901bddfb0bf7ebc33221

SHA1
0d095329fd1483713a737021078eeb1cbf36cb52

SHA256
49a0bd18ca022027f30bad186230232b00607842e7148143ad38c0894327dff1

SHA512
78cb41c2a4be612f9ac5eef6aa8112614406d9ba196c18aa071aba4218454cee5fbe003a954fce8e8e018f793bb0ece1f36254eeba5598593194a3de714a6fda

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