bc845ab964ef0e15f09dc27adc16edb3381e9aac924d5787ef0046dbe62347d0

Resubmissions

06-01-2025 08:53

250106-ktfaravkfl 5

06-01-2025 08:49

250106-kreansskgv 10

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 08:53

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General

Target

Resources/Data/x64/r4_groupH_simple_rpcenc_017w.phpt
Size

1KB
MD5

c9ff7b8b28e4f6f1960cb2250a51b4e9
SHA1

4b7236cb5d51ea64907c85c2520e7d58de500852
SHA256

19566e8db5d6df0af3b0db04c081c8755d51287d6cf037ea76daa149719594a7
SHA512

ae8687155ae836cc2a8085e784e153b992d81063db662224497ee2f4c4999446fbfa79d34f59410ab69f7c469ea28530fc1e1251e480d3af5f528c8cb9f9aaf2

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2996	AcroRd32.exe
2996	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 2472	804	cmd.exe	31
PID 804 wrote to memory of 2472	804	cmd.exe	31
PID 804 wrote to memory of 2472	804	cmd.exe	31
PID 2472 wrote to memory of 2996	2472	rundll32.exe	32
PID 2472 wrote to memory of 2996	2472	rundll32.exe	32
PID 2472 wrote to memory of 2996	2472	rundll32.exe	32
PID 2472 wrote to memory of 2996	2472	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Resources\Data\x64\r4_groupH_simple_rpcenc_017w.phpt
1⤵
- Suspicious use of WriteProcessMemory
PID:804
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Resources\Data\x64\r4_groupH_simple_rpcenc_017w.phpt
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2472
- - 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\Resources\Data\x64\r4_groupH_simple_rpcenc_017w.phpt"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2996

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
c8cfc8258e71c4472d2c53dba79338c5

SHA1
57afe773692b9fe71c8c1c20f083b48ec429e478

SHA256
c6af0b47e52cece7a91d669995a0e59f5df03db6046fc8208dd43ce55ca8faed

SHA512
695c3a6b7ae57040d379461aa25fa022186e3ceefc2c7d74a4924d4227aaca3bb52bd69231ae7dc29ccc4fc6a8c471f6385100bc8ddf1e264d3b2090f4238746

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