73e47190285f8901a44488f45fcdecaa6ad6dead9ba7d049795adbae48af4f6c

Analysis

max time kernel
160s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-03-2024 15:28

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General

Target

SecuriteInfo.com.Trojan.Siggen27.21664.27047.32071.exe
Size

316KB
MD5

42823df5ab3340565e91967d9f545379
SHA1

edc3e540c2af58f2abb66fe5d2638fe689379833
SHA256

73e47190285f8901a44488f45fcdecaa6ad6dead9ba7d049795adbae48af4f6c
SHA512

f751adb54fe63e12ad248911e34f2cb856304123be88c30d55f651147c90353fba41230b67806cdd64e8795f38cdff898eb34bfd291bff767cef3ca2d0816be9
SSDEEP

3072:WvEczeu14403Cgega/YYn13VguOBft5QRt15VbvVXbz9btdu:CEcv144/getAfQZfbNrhzu

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

wfplwfs.exe

pid	Process
3468	wfplwfs.exe

Suspicious use of SetThreadContext 8 IoCs

Processes:

wfplwfs.exe

description	pid	Process	procid_target
PID 3468 set thread context of 5848	3468	wfplwfs.exe	104
PID 3468 set thread context of 3232	3468	wfplwfs.exe	116
PID 3468 set thread context of 5424	3468	wfplwfs.exe	120
PID 3468 set thread context of 5468	3468	wfplwfs.exe	123
PID 3468 set thread context of 1428	3468	wfplwfs.exe	126
PID 3468 set thread context of 3084	3468	wfplwfs.exe	132
PID 3468 set thread context of 4984	3468	wfplwfs.exe	135
PID 3468 set thread context of 3208	3468	wfplwfs.exe	138

Drops file in Windows directory 1 IoCs

Processes:

wfplwfs.exe

description	ioc	Process
File created	C:\Windows\Tasks\0d4d928c68f26f67.job	wfplwfs.exe

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

System Information Discovery
T1082

Program crash 7 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
1492	5848	WerFault.exe	104
4416	3232	WerFault.exe	116
4480	5424	WerFault.exe	120
1320	5468	WerFault.exe	123
5384	1428	WerFault.exe	126
5872	3084	WerFault.exe	132
4836	4984	WerFault.exe	135

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
5384	PING.EXE

Suspicious use of SetWindowsHookEx 24 IoCs

Processes:

rundll32.exerundll32.exerundll32.exerundll32.exerundll32.exerundll32.exerundll32.exerundll32.exe

pid	Process
5848	rundll32.exe
5848	rundll32.exe
5848	rundll32.exe
3232	rundll32.exe
3232	rundll32.exe
3232	rundll32.exe
5424	rundll32.exe
5424	rundll32.exe
5424	rundll32.exe
5468	rundll32.exe
5468	rundll32.exe
5468	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
1428	rundll32.exe
3084	rundll32.exe
3084	rundll32.exe
3084	rundll32.exe
4984	rundll32.exe
4984	rundll32.exe
4984	rundll32.exe
3208	rundll32.exe
3208	rundll32.exe
3208	rundll32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

SecuriteInfo.com.Trojan.Siggen27.21664.27047.32071.execmd.exewfplwfs.exe

description	pid	Process	procid_target
PID 5616 wrote to memory of 3468	5616	SecuriteInfo.com.Trojan.Siggen27.21664.27047.32071.exe	100
PID 5616 wrote to memory of 3468	5616	SecuriteInfo.com.Trojan.Siggen27.21664.27047.32071.exe	100
PID 5616 wrote to memory of 3468	5616	SecuriteInfo.com.Trojan.Siggen27.21664.27047.32071.exe	100
PID 5616 wrote to memory of 712	5616	SecuriteInfo.com.Trojan.Siggen27.21664.27047.32071.exe	101
PID 5616 wrote to memory of 712	5616	SecuriteInfo.com.Trojan.Siggen27.21664.27047.32071.exe	101
PID 5616 wrote to memory of 712	5616	SecuriteInfo.com.Trojan.Siggen27.21664.27047.32071.exe	101
PID 712 wrote to memory of 5384	712	cmd.exe	103
PID 712 wrote to memory of 5384	712	cmd.exe	103
PID 712 wrote to memory of 5384	712	cmd.exe	103
PID 3468 wrote to memory of 5848	3468	wfplwfs.exe	104
PID 3468 wrote to memory of 5848	3468	wfplwfs.exe	104
PID 3468 wrote to memory of 5848	3468	wfplwfs.exe	104
PID 3468 wrote to memory of 5848	3468	wfplwfs.exe	104
PID 3468 wrote to memory of 5848	3468	wfplwfs.exe	104
PID 3468 wrote to memory of 5848	3468	wfplwfs.exe	104
PID 3468 wrote to memory of 5848	3468	wfplwfs.exe	104
PID 3468 wrote to memory of 5848	3468	wfplwfs.exe	104
PID 3468 wrote to memory of 3232	3468	wfplwfs.exe	116
PID 3468 wrote to memory of 3232	3468	wfplwfs.exe	116
PID 3468 wrote to memory of 3232	3468	wfplwfs.exe	116
PID 3468 wrote to memory of 3232	3468	wfplwfs.exe	116
PID 3468 wrote to memory of 3232	3468	wfplwfs.exe	116
PID 3468 wrote to memory of 3232	3468	wfplwfs.exe	116
PID 3468 wrote to memory of 3232	3468	wfplwfs.exe	116
PID 3468 wrote to memory of 3232	3468	wfplwfs.exe	116
PID 3468 wrote to memory of 1648	3468	wfplwfs.exe	119
PID 3468 wrote to memory of 1648	3468	wfplwfs.exe	119
PID 3468 wrote to memory of 1648	3468	wfplwfs.exe	119
PID 3468 wrote to memory of 5424	3468	wfplwfs.exe	120
PID 3468 wrote to memory of 5424	3468	wfplwfs.exe	120
PID 3468 wrote to memory of 5424	3468	wfplwfs.exe	120
PID 3468 wrote to memory of 5424	3468	wfplwfs.exe	120
PID 3468 wrote to memory of 5424	3468	wfplwfs.exe	120
PID 3468 wrote to memory of 5424	3468	wfplwfs.exe	120
PID 3468 wrote to memory of 5424	3468	wfplwfs.exe	120
PID 3468 wrote to memory of 5424	3468	wfplwfs.exe	120
PID 3468 wrote to memory of 5468	3468	wfplwfs.exe	123
PID 3468 wrote to memory of 5468	3468	wfplwfs.exe	123
PID 3468 wrote to memory of 5468	3468	wfplwfs.exe	123
PID 3468 wrote to memory of 5468	3468	wfplwfs.exe	123
PID 3468 wrote to memory of 5468	3468	wfplwfs.exe	123
PID 3468 wrote to memory of 5468	3468	wfplwfs.exe	123
PID 3468 wrote to memory of 5468	3468	wfplwfs.exe	123
PID 3468 wrote to memory of 5468	3468	wfplwfs.exe	123
PID 3468 wrote to memory of 1428	3468	wfplwfs.exe	126
PID 3468 wrote to memory of 1428	3468	wfplwfs.exe	126
PID 3468 wrote to memory of 1428	3468	wfplwfs.exe	126
PID 3468 wrote to memory of 1428	3468	wfplwfs.exe	126
PID 3468 wrote to memory of 1428	3468	wfplwfs.exe	126
PID 3468 wrote to memory of 1428	3468	wfplwfs.exe	126
PID 3468 wrote to memory of 1428	3468	wfplwfs.exe	126
PID 3468 wrote to memory of 1428	3468	wfplwfs.exe	126
PID 3468 wrote to memory of 4448	3468	wfplwfs.exe	129
PID 3468 wrote to memory of 4448	3468	wfplwfs.exe	129
PID 3468 wrote to memory of 4448	3468	wfplwfs.exe	129
PID 3468 wrote to memory of 5348	3468	wfplwfs.exe	130
PID 3468 wrote to memory of 5348	3468	wfplwfs.exe	130
PID 3468 wrote to memory of 5348	3468	wfplwfs.exe	130
PID 3468 wrote to memory of 4188	3468	wfplwfs.exe	131
PID 3468 wrote to memory of 4188	3468	wfplwfs.exe	131
PID 3468 wrote to memory of 4188	3468	wfplwfs.exe	131
PID 3468 wrote to memory of 3084	3468	wfplwfs.exe	132
PID 3468 wrote to memory of 3084	3468	wfplwfs.exe	132
PID 3468 wrote to memory of 3084	3468	wfplwfs.exe	132

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen27.21664.27047.32071.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen27.21664.27047.32071.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5616
- C:\Users\Admin\AppData\Local\Temp\wfplwfs.exe
  C:\Users\Admin\AppData\Local\Temp\wfplwfs.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:3468
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:5848
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5848 -s 1780
      4⤵
      Program crash
      PID:1492
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:3232
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3232 -s 1776
      4⤵
      Program crash
      PID:4416
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe
    3⤵
    PID:1648
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:5424
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5424 -s 1776
      4⤵
      Program crash
      PID:4480
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:5468
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5468 -s 1772
      4⤵
      Program crash
      PID:1320
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1428
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 1776
      4⤵
      Program crash
      PID:5384
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe
    3⤵
    PID:4448
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe
    3⤵
    PID:5348
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe
    3⤵
    PID:4188
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:3084
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 1780
      4⤵
      Program crash
      PID:5872
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:4984
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 1776
      4⤵
      Program crash
      PID:4836
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:3208
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen27.21664.27047.32071.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:712
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 3
    3⤵
    - Runs ping.exe
    PID:5384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 5848 -ip 5848
1⤵
PID:4764

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4468 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:2200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3232 -ip 3232
1⤵
PID:4164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 5424 -ip 5424
1⤵
PID:4608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 5468 -ip 5468
1⤵
PID:6020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1428 -ip 1428
1⤵
PID:5296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3084 -ip 3084
1⤵
PID:3248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4984 -ip 4984
1⤵
PID:4652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\wfplwfs.exe

Filesize
232KB

MD5
ed7321dfc04f801d87ab2f3b4abcb8fb

SHA1
93a73a1679265a71e42a4d4f7db2099ef109df85

SHA256
9537bad08de11149d3ea8528ee94e9feb7927d69e933315357d3f466312ade3e

SHA512
d5cc6e876ef7b05ec4a18c20c3d2e600247b35d69d0dc9f4576408be781c127dde22c7220c6ceb83987d6c07380a6240efa6b82ed8c750e6e32f14da2dce1f89

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\index.html

Filesize
1KB

MD5
12cf60e57791e7a8bd78033c9f308931

SHA1
f6c8a295064f7fa8553295e3cd8a9c62352f7c2c

SHA256
2f9f2fe135d66c296ab6071d01529623bac31d4a63ab073be3c6c1e20d34f50a

SHA512
72735d76803980afe7260d713a377f82316fa24109f1d2767b352984aa53d4a5e441a89d99aa3fdb32042dcb61b43d88465272bc98552892747829d7986cf3b2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\logo.png

Filesize
2KB

MD5
561a5a310ac6505c1dc2029a61632617

SHA1
f267ab458ec5d0f008a235461e466b1fd3ed14ee

SHA256
b41bd7c17b6bdfe6ae0d0dbbb5ce92fd38c4696833ae3333a1d81cf7e38d6e35

SHA512
4edb7ef8313e20bbc73fd96207c2076ce3bac0754a92bb00aff0259ffe1adf6f7e4d6917e7815fd643139a08bd4a0f325f66982378f94483ce1ee0924df6d3c5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\qrcode.png

Filesize
2KB

MD5
93a1a761d17ca266066a4b8e286dac1d

SHA1
63b13d8f13fe092aa1cd18dfea86c8c4cf2d5a8d

SHA256
bad6f97f076cf04517a03820b486a2ffe564c2d0ef350932612cc40beec39f6a

SHA512
5d3360d096da7a6b724cc68504dac6691285807f2aca361bbe27ca22acdfe734abf4ee4a4e2f9c55d7f94bb22d50062b19af0a4dd34939cf4673baa1746871bc

Download Submit
memory/1428-43-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3084-49-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3232-25-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4984-55-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/5424-31-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/5468-37-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/5848-19-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/5848-13-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/5848-11-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download