34dc5e717a19b7e7cc8c57dd94e1440bc2d22f45ff2f8c8f74dc315cbb78c380

Analysis

max time kernel
141s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26-12-2023 04:17

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General

Target

5371e6dbfde78271bacebdb2ba061394.exe
Size

170KB
MD5

5371e6dbfde78271bacebdb2ba061394
SHA1

b559283224f039ee08866104720cef002cc6d4d4
SHA256

34dc5e717a19b7e7cc8c57dd94e1440bc2d22f45ff2f8c8f74dc315cbb78c380
SHA512

1a6827932159cfa2d03385e9bd25c622e2a69c2f07648d257c6801dc6e8d10b8f46a9c34f81e4fad598190a71db08c3232cdbc75c5035ea176cff8252e03fc1b
SSDEEP

3072:7KNsB6jNa6kfaVSR5hTE8Rwdp0NSc3NBXRLxvUJeoSeCCDRlKc9:7Yq4HkfaMT5BNXLxPJeC

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1944	file.exe
2164	file.exe

Loads dropped DLL 6 IoCs

pid	Process
1684	5371e6dbfde78271bacebdb2ba061394.exe
1684	5371e6dbfde78271bacebdb2ba061394.exe
1944	file.exe
3028	WerFault.exe
3028	WerFault.exe
3028	WerFault.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	5371e6dbfde78271bacebdb2ba061394.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1944 set thread context of 2164	1944	file.exe	30

Program crash 1 IoCs

pid	pid_target	Process
3028	2164	WerFault.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1944	1684	5371e6dbfde78271bacebdb2ba061394.exe	16
PID 1684 wrote to memory of 1944	1684	5371e6dbfde78271bacebdb2ba061394.exe	16
PID 1684 wrote to memory of 1944	1684	5371e6dbfde78271bacebdb2ba061394.exe	16
PID 1684 wrote to memory of 1944	1684	5371e6dbfde78271bacebdb2ba061394.exe	16
PID 1944 wrote to memory of 2164	1944	file.exe	30
PID 1944 wrote to memory of 2164	1944	file.exe	30
PID 1944 wrote to memory of 2164	1944	file.exe	30
PID 1944 wrote to memory of 2164	1944	file.exe	30
PID 1944 wrote to memory of 2164	1944	file.exe	30
PID 1944 wrote to memory of 2164	1944	file.exe	30
PID 1944 wrote to memory of 2164	1944	file.exe	30
PID 1944 wrote to memory of 2164	1944	file.exe	30
PID 2164 wrote to memory of 3028	2164	file.exe	29
PID 2164 wrote to memory of 3028	2164	file.exe	29
PID 2164 wrote to memory of 3028	2164	file.exe	29
PID 2164 wrote to memory of 3028	2164	file.exe	29

C:\Users\Admin\AppData\Local\Temp\5371e6dbfde78271bacebdb2ba061394.exe
"C:\Users\Admin\AppData\Local\Temp\5371e6dbfde78271bacebdb2ba061394.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\file.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\file.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\file.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\file.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 128
1⤵
- Loads dropped DLL
- Program crash
PID:3028

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

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Downloads

memory/2164-25-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2164-24-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2164-22-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2164-19-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2164-17-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2164-15-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2164-13-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2164-11-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads