379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212

Analysis

max time kernel
155s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 10:11

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General

Target

379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
Size

44KB
MD5

13691d6d0275b50f5d4a39b5d794440b
SHA1

55f54ac3fe2f94939ae9501497d3046deaa690d0
SHA256

379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212
SHA512

b608c0c07d7a02546bc7338451a1ffb78b28bbbf2ddd8e136c44cb3fa9f4dec4975d6d770bc79c6cfae49c4d58b01deecd12a544761a4a21b063c86c8f51567a
SSDEEP

384:T33WhWCL59aXvYT4aJ9HdDR1WoPFSqWDVGiD6+WPA6P9k1Xnbd2d8W40OrMGuk5i:Xi5Y/7aRYo1IVGCgPAtXJ4870oMAsd

Score

6^/10

persistence

Malware Config

Signatures

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\Run\System Upgrade Assistant = "explorer \"C:\\Users\\Admin\\Documents\\msedge.exe\""	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe

Blocklisted process makes network request 4 IoCs

flow	pid	Process
48	2980	msiexec.exe
58	2980	msiexec.exe
85	2980	msiexec.exe
102	2980	msiexec.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
560	2980	WerFault.exe	97

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
2980	msiexec.exe
2980	msiexec.exe
2980	msiexec.exe
2980	msiexec.exe
2980	msiexec.exe
2980	msiexec.exe
2980	msiexec.exe
2980	msiexec.exe
2980	msiexec.exe
2980	msiexec.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 2980	1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe	97
PID 1580 wrote to memory of 2980	1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe	97
PID 1580 wrote to memory of 2980	1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe	97
PID 1580 wrote to memory of 2980	1580	379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe	97

C:\Users\Admin\AppData\Local\Temp\379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe
"C:\Users\Admin\AppData\Local\Temp\379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1580
- C:\Windows\SysWOW64\msiexec.exe
  C:\Windows\system32\msiexec.exe -Puppet
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  PID:2980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 1340
    3⤵
    - Program crash
    PID:560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2980 -ip 2980
1⤵
PID:3696

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\Documents\msedge.exe

Filesize
44KB

MD5
13691d6d0275b50f5d4a39b5d794440b

SHA1
55f54ac3fe2f94939ae9501497d3046deaa690d0

SHA256
379dd0bac3aa7ef72b80e1a61d20476b6fe814c37aea92194501729851fa4212

SHA512
b608c0c07d7a02546bc7338451a1ffb78b28bbbf2ddd8e136c44cb3fa9f4dec4975d6d770bc79c6cfae49c4d58b01deecd12a544761a4a21b063c86c8f51567a

Download Submit
memory/1580-0-0x0000000002460000-0x00000000024AE000-memory.dmp

Filesize
312KB

Download
memory/1580-1-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/1580-8-0x00000000772E1000-0x0000000077401000-memory.dmp

Filesize
1.1MB

Download