92a009b7c5d47c2b4af0d2074bef322bc787f4e7c69c7d59f9c2ae9c61973871

Analysis

max time kernel
4s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 04:47

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General

Target

92a009b7c5d47c2b4af0d2074bef322bc787f4e7c69c7d59f9c2ae9c61973871N.exe
Size

25KB
MD5

615cab5d22d13838c62b8b4509225380
SHA1

7325d0a4854076f60b698fed4fec9be5345f0f8c
SHA256

92a009b7c5d47c2b4af0d2074bef322bc787f4e7c69c7d59f9c2ae9c61973871
SHA512

8e1fdeb39d083a7e38c6d2cbae933b9bfea806ccec7dabb4d40cd8d7ef2cc445f9d23a1e7b46d6e1bbd4f1bd3cfeecc4ea2c67ffb66b26b277ae26ac94e6553a
SSDEEP

768:N/ybgNcFXvtdgI2MyzNtRQtOflIwoHNV2XBFV72B4lA7Ps2Z+7s:AtdgI2MyzNtRQtOflIwoHNV2XBFV72BT

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2564	hhcbrnaff.exe

Loads dropped DLL 1 IoCs

pid	Process
2656	92a009b7c5d47c2b4af0d2074bef322bc787f4e7c69c7d59f9c2ae9c61973871N.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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 2 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	92a009b7c5d47c2b4af0d2074bef322bc787f4e7c69c7d59f9c2ae9c61973871N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hhcbrnaff.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2564	2656	92a009b7c5d47c2b4af0d2074bef322bc787f4e7c69c7d59f9c2ae9c61973871N.exe	28
PID 2656 wrote to memory of 2564	2656	92a009b7c5d47c2b4af0d2074bef322bc787f4e7c69c7d59f9c2ae9c61973871N.exe	28
PID 2656 wrote to memory of 2564	2656	92a009b7c5d47c2b4af0d2074bef322bc787f4e7c69c7d59f9c2ae9c61973871N.exe	28
PID 2656 wrote to memory of 2564	2656	92a009b7c5d47c2b4af0d2074bef322bc787f4e7c69c7d59f9c2ae9c61973871N.exe	28

C:\Users\Admin\AppData\Local\Temp\92a009b7c5d47c2b4af0d2074bef322bc787f4e7c69c7d59f9c2ae9c61973871N.exe
"C:\Users\Admin\AppData\Local\Temp\92a009b7c5d47c2b4af0d2074bef322bc787f4e7c69c7d59f9c2ae9c61973871N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Users\Admin\AppData\Local\Temp\hhcbrnaff.exe
  "C:\Users\Admin\AppData\Local\Temp\hhcbrnaff.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

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

\Users\Admin\AppData\Local\Temp\hhcbrnaff.exe

Filesize
25KB

MD5
b59bf41f556d91cc2def85704337e34e

SHA1
d501c2b06b57674f95b18c345222c7bbc9775044

SHA256
3c88379f9612dc26996f851ba33ccf8800b2f97f67a08eaf5ad3cabc81a6b5b9

SHA512
3037aa964a557fb67e506eb82745f7305b9af969b7a2c824f017b2fa697f21ab9ef449aea744825b504b6fef5cef51407144dc678293d85a63f45d63a99d880a

Download Submit
memory/2564-12-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2564-15-0x0000000002AA0000-0x0000000002EA0000-memory.dmp

Filesize
4.0MB

Download
memory/2656-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2656-1-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2656-4-0x0000000002AC0000-0x0000000002EC0000-memory.dmp

Filesize
4.0MB

Download
memory/2656-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2656-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download