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 08:49

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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-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2844	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2844	AcroRd32.exe
2844	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2728	2676	cmd.exe	32
PID 2676 wrote to memory of 2728	2676	cmd.exe	32
PID 2676 wrote to memory of 2728	2676	cmd.exe	32
PID 2728 wrote to memory of 2844	2728	rundll32.exe	33
PID 2728 wrote to memory of 2844	2728	rundll32.exe	33
PID 2728 wrote to memory of 2844	2728	rundll32.exe	33
PID 2728 wrote to memory of 2844	2728	rundll32.exe	33

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:2676
- 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:2728
- - 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:2844

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
7042ea99ec2fbb7c4bf7a3a806772a45

SHA1
325cc8a043600c4a123140c941abf0972e6f68ee

SHA256
2959bd43f1b0284444803b17ef6dbc424d5233ff2c989b6dda004904838fd69e

SHA512
77b68c1ed5a72942036a97c4cec40da2b4d81061f0300a2513f5a4a6b488d8f408f271d040d9e11ce1f0b8c98a63480b4a1778c796cc61d12f92046740dbeea8

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