c79ac8a613c7a25793b2a0167d48a6a5e8e7c811ccdaf01d0a47efc7dff99dbd

Analysis

max time kernel
102s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 09:26

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General

Target

.data
Size

8KB
MD5

6f6e4f79e28328f044aea1fae26fac3c
SHA1

a8f2be0e96b316cd4cdf9328d37f3fdc41d05c86
SHA256

5384fd052e305e5aeb0296ec83d027530093f9ba504821aa4971dcf85412b0f1
SHA512

64a346739461c3a1e2924681a8d450188ea1c53a45a22833d5d3860b18ccece87ecd0a9bf6a6fb8ec8501b5bfa4356dbde2d50f6a3a9d5de90569c8bd64b03bf
SSDEEP

96:kf/RRQ+AKjK4hQ9RWjlj+ubUyOALgEy4yUZYDAqg0NpLrRqu:sc+AwKN4lj+fzARyUeDA2fLs

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

Processes:

AcroRd32.exe

description ioc process

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

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

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\data_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\data_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.data	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\data_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.data\ = "data_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\data_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\data_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\data_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2876 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2876 AcroRd32.exe
2876 AcroRd32.exe

pid	process
2876	AcroRd32.exe

pid	process
2876	AcroRd32.exe
2876	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1768 wrote to memory of 2948	1768	cmd.exe	rundll32.exe
PID 1768 wrote to memory of 2948	1768	cmd.exe	rundll32.exe
PID 1768 wrote to memory of 2948	1768	cmd.exe	rundll32.exe
PID 2948 wrote to memory of 2876	2948	rundll32.exe	AcroRd32.exe
PID 2948 wrote to memory of 2876	2948	rundll32.exe	AcroRd32.exe
PID 2948 wrote to memory of 2876	2948	rundll32.exe	AcroRd32.exe
PID 2948 wrote to memory of 2876	2948	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\.data
1⤵
- Suspicious use of WriteProcessMemory
PID:1768

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\.data
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2948

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\.data"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2876

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
3246f3c51b7b5806ead0cf33ed7d68a8

SHA1
d6656df29505d3a2c2f66dd1d04588f0ea2d9ac8

SHA256
a2b1426442c5cb61af18bbc9a47bb124f53b33efc3f1d2cd37262b9d71a886c6

SHA512
ac4b3e82667e2151e80b7bc9297e3ac01e378ec41b2119a4acf317571e21ced61312dfa59d29fea7c208fa3c847a9aea4a4d2838e06191e64016e7973a2cc4e5

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