8582552daef598956aa6dc1eaf9626318e52517df7363235c392b95945a06ea4

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 04:50

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General

Target

SheetRat/.vs/Server/v17/.suo
Size

7KB
MD5

d9ab89cf476f286145da0299c5e1b46c
SHA1

df3da6f72a67e1ecc3dc9beef5dff5c35946361a
SHA256

399fe53ead04b183dba30789e4daf707ab151da78274774ce03dc3208fb2e62f
SHA512

21c4dc9bb9e4d20555d0c74ba64b9822a2740a80a1e1834be687e445f43dfac1e5a33368c481e512e752a06b724549dfec2df26b6c775fd22f37d101401bbab5
SSDEEP

24:r+kXQf2XS1XQf2XZM0djsGNtu0djNNMxduC4u2GOC2yhCNkCtCPOC2yhCNkCtChr:r+NBMhzNx/Joyey/6fr6fMJ

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-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\suo_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\suo_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\suo_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\suo_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\suo_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\.suo	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\.suo\ = "suo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\suo_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2792	AcroRd32.exe
2792	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2872	2692	cmd.exe	31
PID 2692 wrote to memory of 2872	2692	cmd.exe	31
PID 2692 wrote to memory of 2872	2692	cmd.exe	31
PID 2872 wrote to memory of 2792	2872	rundll32.exe	32
PID 2872 wrote to memory of 2792	2872	rundll32.exe	32
PID 2872 wrote to memory of 2792	2872	rundll32.exe	32
PID 2872 wrote to memory of 2792	2872	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\SheetRat\.vs\Server\v17\.suo
1⤵
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\SheetRat\.vs\Server\v17\.suo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2872
- - 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\SheetRat\.vs\Server\v17\.suo"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2792

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
8bc3cef468e2bdbaee8b276645fa466d

SHA1
5f09297b08693b65cd08570b0627e1bf74b7fd21

SHA256
94e5c3fb3157848b6719bfc666842f07b8d4c3be46e301797c7d03b5fcee7840

SHA512
bdf239cd5e693420232b35ee17992c50767d9e88cfe0dfab312e8efa6b2164d5ffe27a6c27ddce30a87d0ce0fcabd7444ab00d912b816cc55fa103afb86244a0

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