bb0fc261650f334299f6cf6a90082735d8485592e64623ced63afaa158a37432

Analysis

max time kernel
142s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/01/2024, 07:59

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

5866b6c6590385fbf856efe7946708d1.exe
Size

581KB
MD5

5866b6c6590385fbf856efe7946708d1
SHA1

4a5d5d9e54137cc33c4e49c290ad13a7baa232f1
SHA256

bb0fc261650f334299f6cf6a90082735d8485592e64623ced63afaa158a37432
SHA512

18c0551f66d4af072957a68ce1df7903ef31824ea757f5709c1f56ef9019de2a010d731979264b114ad70d282f10d7eb8f11871ac2217ff5e0ec5584c89159f9
SSDEEP

12288:S2oUR6VbacrgZxnrfzpnRrKvdqJ9e5nRdkKr:S2oA6xgXzBR2vcsR

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2272	nservice32.exe

Loads dropped DLL 2 IoCs

pid	Process
928	5866b6c6590385fbf856efe7946708d1.exe
928	5866b6c6590385fbf856efe7946708d1.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\nservice32 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\5866b6c6590385fbf856efe7946708d1.exe\" rk auto"	5866b6c6590385fbf856efe7946708d1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\nservice32 = "\"C:\\Users\\Admin\\AppData\\Roaming\\nservice32.exe\" rk auto"	nservice32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 2272	928	5866b6c6590385fbf856efe7946708d1.exe	28
PID 928 wrote to memory of 2272	928	5866b6c6590385fbf856efe7946708d1.exe	28
PID 928 wrote to memory of 2272	928	5866b6c6590385fbf856efe7946708d1.exe	28
PID 928 wrote to memory of 2272	928	5866b6c6590385fbf856efe7946708d1.exe	28

C:\Users\Admin\AppData\Local\Temp\5866b6c6590385fbf856efe7946708d1.exe
"C:\Users\Admin\AppData\Local\Temp\5866b6c6590385fbf856efe7946708d1.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:928
- C:\Users\Admin\AppData\Roaming\nservice32.exe
  "C:\Users\Admin\AppData\Roaming\nservice32.exe" rk auto
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:2272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\nservice32.exe

Filesize
581KB

MD5
5866b6c6590385fbf856efe7946708d1

SHA1
4a5d5d9e54137cc33c4e49c290ad13a7baa232f1

SHA256
bb0fc261650f334299f6cf6a90082735d8485592e64623ced63afaa158a37432

SHA512
18c0551f66d4af072957a68ce1df7903ef31824ea757f5709c1f56ef9019de2a010d731979264b114ad70d282f10d7eb8f11871ac2217ff5e0ec5584c89159f9

Download Submit
memory/928-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/928-2-0x0000000000400000-0x0000000000497000-memory.dmp

Filesize
604KB

Download
memory/928-9-0x0000000000400000-0x0000000000497000-memory.dmp

Filesize
604KB

Download
memory/928-12-0x0000000000400000-0x0000000000497000-memory.dmp

Filesize
604KB

Download
memory/2272-13-0x0000000000400000-0x0000000000497000-memory.dmp

Filesize
604KB

Download
memory/2272-14-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2272-15-0x0000000000400000-0x0000000000497000-memory.dmp

Filesize
604KB

Download
memory/2272-17-0x0000000000400000-0x0000000000497000-memory.dmp

Filesize
604KB

Download
memory/2272-19-0x0000000000400000-0x0000000000497000-memory.dmp

Filesize
604KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads