384aea0d09fffaa60681dcf01e432c156c06d8cb080456661b78c69e8e87414b

Analysis

max time kernel
165s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 14:24

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General

Target

39b7a9842b4119e44e1d000611091d3d.exe
Size

742KB
MD5

39b7a9842b4119e44e1d000611091d3d
SHA1

af1f24cd24c5b78b1f73d1bfb2d95fcbc7b8a703
SHA256

384aea0d09fffaa60681dcf01e432c156c06d8cb080456661b78c69e8e87414b
SHA512

37435308dc6e6eaf46db49d064624aeec873a93a3c60f0a51d79d79d79ce2aaf6d473c3e99a7664b964e138144d237412d1d3789abc7ab5b67d76fd51d258f89
SSDEEP

12288:jlt2pp3w+HoIH/P1WTMoccQuvcGXeQu8pCT4JjJu7X3IDQv:ZIpPHoIH/P0HccQuvvu58py4j0n3

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1492	svchost32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost32 = "C:\\Windows\\svchost32.exe"	svchost32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\SVCHOST32.EXE	39b7a9842b4119e44e1d000611091d3d.exe
File opened for modification	C:\WINDOWS\SVCHOST32.EXE	39b7a9842b4119e44e1d000611091d3d.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2204	39b7a9842b4119e44e1d000611091d3d.exe
2204	39b7a9842b4119e44e1d000611091d3d.exe
2204	39b7a9842b4119e44e1d000611091d3d.exe
2204	39b7a9842b4119e44e1d000611091d3d.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe
1492	svchost32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 1492	2204	39b7a9842b4119e44e1d000611091d3d.exe	94
PID 2204 wrote to memory of 1492	2204	39b7a9842b4119e44e1d000611091d3d.exe	94
PID 2204 wrote to memory of 1492	2204	39b7a9842b4119e44e1d000611091d3d.exe	94

C:\Users\Admin\AppData\Local\Temp\39b7a9842b4119e44e1d000611091d3d.exe
"C:\Users\Admin\AppData\Local\Temp\39b7a9842b4119e44e1d000611091d3d.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\svchost32.exe
  C:\Windows\svchost32.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:1492

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SVCHOST32.EXE

Filesize
742KB

MD5
39b7a9842b4119e44e1d000611091d3d

SHA1
af1f24cd24c5b78b1f73d1bfb2d95fcbc7b8a703

SHA256
384aea0d09fffaa60681dcf01e432c156c06d8cb080456661b78c69e8e87414b

SHA512
37435308dc6e6eaf46db49d064624aeec873a93a3c60f0a51d79d79d79ce2aaf6d473c3e99a7664b964e138144d237412d1d3789abc7ab5b67d76fd51d258f89

Download Submit
memory/1492-18-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1492-19-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1492-12-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1492-7-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download
memory/1492-13-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1492-23-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1492-10-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1492-16-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1492-22-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1492-21-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1492-20-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2204-9-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2204-0-0x0000000002470000-0x0000000002471000-memory.dmp

Filesize
4KB

Download
memory/2204-11-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2204-8-0x0000000002470000-0x0000000002471000-memory.dmp

Filesize
4KB

Download
memory/2204-6-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2204-1-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download