debb2f34877a0ec68829c5a46ed98b50a3b997f5b7750f241203ba0c59770f94

Resubmissions

09-08-2024 05:08

240809-fsyy9a1bnf 1

07-08-2024 02:18

240807-cq9fesybmq 3

Analysis

max time kernel
122s
max time network
129s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
07-08-2024 02:18

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General

Target

debb2f34877a0ec68829c5a46ed98b50a3b997f5b7750f241203ba0c59770f94.sh
Size

1005B
MD5

51e9709b8b2b3ed0d4ba15f37578652a
SHA1

3eab094823950b61afbdc36816a6951ad0e3f357
SHA256

debb2f34877a0ec68829c5a46ed98b50a3b997f5b7750f241203ba0c59770f94
SHA512

3642346701bb6ffe17a10227fa7e267913c3f82944acbe556d20512b64848d67f25a7165e832075379e57a08d1e91e86bd17a1efa60202d3048931819745eaac

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	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	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\sh_auto_file\shell\Read\command	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	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2584	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2584	AcroRd32.exe
2584	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2848	2816	cmd.exe	31
PID 2816 wrote to memory of 2848	2816	cmd.exe	31
PID 2816 wrote to memory of 2848	2816	cmd.exe	31
PID 2848 wrote to memory of 2584	2848	rundll32.exe	32
PID 2848 wrote to memory of 2584	2848	rundll32.exe	32
PID 2848 wrote to memory of 2584	2848	rundll32.exe	32
PID 2848 wrote to memory of 2584	2848	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\debb2f34877a0ec68829c5a46ed98b50a3b997f5b7750f241203ba0c59770f94.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\debb2f34877a0ec68829c5a46ed98b50a3b997f5b7750f241203ba0c59770f94.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2848
- - 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\debb2f34877a0ec68829c5a46ed98b50a3b997f5b7750f241203ba0c59770f94.sh"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2584

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
13cd62730f02123c92233094029bd339

SHA1
ebe14179f7257f55c84ecb9826fdab6eb8a0543c

SHA256
9d802430870b313f99262c30db15d1be97767fc37fd6f8bdf33b7f553b6283b6

SHA512
48b7ff32366aa4ac3d42846015f1bda1f63708a5ff781a6e5405b67966876586d51a10946a5d6f58f49f8d6e4ed1ff563a67b23b6b4b26fcab091b08a6ba497e

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