40b8a9ce6a5b75c1e808bcfb843b5fdc6bd446399d20b86497e551d2f7b09602

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 01:20

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General

Target

40b8a9ce6a5b75c1e808bcfb843b5fdc6bd446399d20b86497e551d2f7b09602.sh
Size

1KB
MD5

1f635e64bbfcbe02927c587364fcba28
SHA1

b473ddabbddb92fbb0c2e737db4c7de3b4102fc7
SHA256

40b8a9ce6a5b75c1e808bcfb843b5fdc6bd446399d20b86497e551d2f7b09602
SHA512

7085888aff5c751a2f0f99bc32bf1454dd6feb0a417705e2c62d5e242a0e5ffdfe7d9ea60298402ee7aebc2c6fadac4db6b286d02a77925b786c0a038009ff15

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-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\sh_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.sh	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_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-1-5-21-3294248377-1418901787-4083263181-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\sh_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2712	AcroRd32.exe
2712	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2520	2104	cmd.exe	31
PID 2104 wrote to memory of 2520	2104	cmd.exe	31
PID 2104 wrote to memory of 2520	2104	cmd.exe	31
PID 2520 wrote to memory of 2712	2520	rundll32.exe	33
PID 2520 wrote to memory of 2712	2520	rundll32.exe	33
PID 2520 wrote to memory of 2712	2520	rundll32.exe	33
PID 2520 wrote to memory of 2712	2520	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\40b8a9ce6a5b75c1e808bcfb843b5fdc6bd446399d20b86497e551d2f7b09602.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\40b8a9ce6a5b75c1e808bcfb843b5fdc6bd446399d20b86497e551d2f7b09602.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2520
- - 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\40b8a9ce6a5b75c1e808bcfb843b5fdc6bd446399d20b86497e551d2f7b09602.sh"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2712

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
8917b7984833f450487b7e7f141fece5

SHA1
a9c35fc577d7aa9a748a7f4facf62943edd09d72

SHA256
0da0a75f6115753cb78e823f5f5d418989e6427e50d8ed97b9f1ecc6587a8fa3

SHA512
0228424cd45f3ae73268cb09d0d64e3a0f89f226fb3f2f769d0750ed5b3be62ab24bcc1451a3edd5f40f766a00ca83bc370ff1e8a3f9e1830d6fc731867a3248

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