0bf30e9e9446bb909d3459669312f5982f6af0a3dd1d61eb141c386785b52331

Analysis

max time kernel
103s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 11:22

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General

Target

R B X 1 2 5/ai.cfg
Size

44B
MD5

73ed0e22c8cc70ed93dfd0c1b8f81e19
SHA1

f16c87ca3eb393ee34f57fb59781cd37f5963db0
SHA256

db9ec7ae21d140904d44d6e6550c0c964e32ef11c055696b355835905c9c3a53
SHA512

3dbe1fd660c7446c4a70c99cf6bf7909c76cd02ca24930bdeee851da094850b2fd6f6742025d215ce7dbf3348225c0b64d28e3f1ba133bdd9c7beece84d7e54f

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\cfg_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\cfg_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\cfg_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\cfg_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\cfg_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\cfg_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.cfg	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.cfg\ = "cfg_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2900	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2900	AcroRd32.exe
2900	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2268	2432	cmd.exe	30
PID 2432 wrote to memory of 2268	2432	cmd.exe	30
PID 2432 wrote to memory of 2268	2432	cmd.exe	30
PID 2268 wrote to memory of 2900	2268	rundll32.exe	31
PID 2268 wrote to memory of 2900	2268	rundll32.exe	31
PID 2268 wrote to memory of 2900	2268	rundll32.exe	31
PID 2268 wrote to memory of 2900	2268	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\R B X 1 2 5\ai.cfg"
1⤵
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\R B X 1 2 5\ai.cfg
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2268
- - 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\R B X 1 2 5\ai.cfg"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2900

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
5179788986734b528b95f312018caf69

SHA1
45cdc60a2a9920358b5220e0c9fd1baf3d15dd3f

SHA256
1804ab8fef6cfdd3ae7521faa3252cdbe4ad88774aa1de047eed713a1a6a8f86

SHA512
a2ce8edba49ea35f3c04876dbacec6d5b38b7f449f373e204f399ae89632a87dbffe87c5d1632331cfe0eb0e8513bf9fbca78cd267029d7b8639858d14394f0c

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