751d2ad9a2e5345f494e62045c52d4440ec800743e020d3fa48cd482730c3c43

Analysis

max time kernel
103s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
22-08-2024 10:05

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General

Target

751d2ad9a2e5345f494e62045c52d4440ec800743e020d3fa48cd482730c3c43.sh
Size

1KB
MD5

1de99108308f3d5781823342821fcb7e
SHA1

e2fb3c2b4608d790cbdc1288aaf22df19d918e37
SHA256

751d2ad9a2e5345f494e62045c52d4440ec800743e020d3fa48cd482730c3c43
SHA512

4223d6f3635ceac810adcd9a5e428766b524d292abf28909070668f20c47c5cffa06999e155ece442b4df6cdb45d4f01ff1745e506d910710efef5d93c1c6f19

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\sh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2176	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2176	AcroRd32.exe
2176	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2752	3012	cmd.exe	30
PID 3012 wrote to memory of 2752	3012	cmd.exe	30
PID 3012 wrote to memory of 2752	3012	cmd.exe	30
PID 2752 wrote to memory of 2176	2752	rundll32.exe	31
PID 2752 wrote to memory of 2176	2752	rundll32.exe	31
PID 2752 wrote to memory of 2176	2752	rundll32.exe	31
PID 2752 wrote to memory of 2176	2752	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\751d2ad9a2e5345f494e62045c52d4440ec800743e020d3fa48cd482730c3c43.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\751d2ad9a2e5345f494e62045c52d4440ec800743e020d3fa48cd482730c3c43.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2752
- - 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\751d2ad9a2e5345f494e62045c52d4440ec800743e020d3fa48cd482730c3c43.sh"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
d8e3cabd3e9d6e7fa77f6d49a7ffcb32

SHA1
c8385d73f8b25600b84c33a21cc84b83cc66c9c0

SHA256
550b19fa860949aefa85e77cb58b55684f370aea6b3c82b5b153eef215e750b3

SHA512
15f928784d94ba449d590e8d83b6d70e6ff528f20312b9f013ed60cfdbcda8c52e038965f2bb2115588b24081cfeed767f3fb67fbf653f80722b6943f2673bd2

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