c4785ef64991e8e55d395a4ccdab39e87e69243228398db99fd187f36a4f9f36

Analysis

max time kernel
92s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 19:44

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General

Target

8ffe79d7e86da8dd2fd5908053b2d1ff.exe
Size

79KB
MD5

8ffe79d7e86da8dd2fd5908053b2d1ff
SHA1

78131aa57241addb844a6d89940c66047c32eacb
SHA256

c4785ef64991e8e55d395a4ccdab39e87e69243228398db99fd187f36a4f9f36
SHA512

00f3b8394d521ca4f4876a5960ab428c5ccce1b809676186189a4f9c1b50ac910b8bd908483db444359361252f094023e0b76d1bc702b162200b54c6b36963d6
SSDEEP

1536:+16bq+91nioxizwglsP5XZFzCDnhat2zWim4qaq9e4VjuM+qtZleL60eY0Z/N:Qx2Ri8g+P5Xi/wXhbILmY0Z/N

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3524	WMPLAYER.EXE
5028	uwuque.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\\\""	8ffe79d7e86da8dd2fd5908053b2d1ff.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\uwuque.exe	WMPLAYER.EXE
File opened for modification	C:\Windows\SysWOW64\uwuque.exe	WMPLAYER.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5028 set thread context of 960	5028	uwuque.exe	91

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4912	960	WerFault.exe	91

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3524	WMPLAYER.EXE
3524	WMPLAYER.EXE
5028	uwuque.exe
5028	uwuque.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
960	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 3524	4808	8ffe79d7e86da8dd2fd5908053b2d1ff.exe	86
PID 4808 wrote to memory of 3524	4808	8ffe79d7e86da8dd2fd5908053b2d1ff.exe	86
PID 4808 wrote to memory of 3524	4808	8ffe79d7e86da8dd2fd5908053b2d1ff.exe	86
PID 5028 wrote to memory of 960	5028	uwuque.exe	91
PID 5028 wrote to memory of 960	5028	uwuque.exe	91
PID 5028 wrote to memory of 960	5028	uwuque.exe	91
PID 5028 wrote to memory of 960	5028	uwuque.exe	91
PID 5028 wrote to memory of 960	5028	uwuque.exe	91

C:\Users\Admin\AppData\Local\Temp\8ffe79d7e86da8dd2fd5908053b2d1ff.exe
"C:\Users\Admin\AppData\Local\Temp\8ffe79d7e86da8dd2fd5908053b2d1ff.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\WMPLAYER.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\WMPLAYER.EXE
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of SetWindowsHookEx
  PID:3524

C:\Windows\SysWOW64\uwuque.exe
C:\Windows\SysWOW64\uwuque.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5028
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Suspicious use of UnmapMainImage
  PID:960
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 960 -s 12
    3⤵
    - Program crash
    PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 960 -ip 960
1⤵
PID:1648

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:\Users\Admin\AppData\Local\Temp\IXP000.TMP\WMPLAYER.EXE

Filesize
51KB

MD5
f0503e64ac67f42db43a8abd8d7866e6

SHA1
8d0a84143d423abbdb1be9d389184857bec59e6e

SHA256
926fa386ec1e11323595d93e64e1d8831dbcaafe5ac942d04754ebfaf3ecdad7

SHA512
46506b3b4aef7fdf71ec6580362da39e26a22543f96b83baeefa59e361f10065e096a62aec79e87285882fe6b765723505d51125b9408834a53362be97570e97

Download Submit
memory/960-10-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3524-6-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3524-13-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3524-19-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4808-0-0x0000000001000000-0x000000000101E000-memory.dmp

Filesize
120KB

Download
memory/4808-12-0x0000000001000000-0x000000000101E000-memory.dmp

Filesize
120KB

Download
memory/4808-20-0x0000000001000000-0x000000000101E000-memory.dmp

Filesize
120KB

Download
memory/4808-21-0x0000000001000000-0x000000000101E000-memory.dmp

Filesize
120KB

Download
memory/5028-14-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads