546557e4edb59377b485ba4e49d1c35ae2f3a2b9566d0161f67edad73be5c68f

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
05/01/2024, 11:23

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General

Target

1 (1).exe
Size

64KB
MD5

da153aeec67f15789dfd9ba3bd4b4d92
SHA1

75f3e69d641f596ccb4dc6056476b7a2b7c73603
SHA256

e9762c08760d6994b8b5447b9b33a0b6871ecc1f5dc700072f913c2f5bca4c76
SHA512

db473b135df641c90a54cc8f8d241d531db23c732b68013624e53c221408ce587901517310161474570fd94e7e08823d93b263508c89d70e22e36779437bed2b
SSDEEP

768:YVTQ+jZAZucMXh6Qy0sOF8P4V7wmdUm1a8k0n:YVTbJcMXcwF8PgZP1aK

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\""	1 (1).exe

Blocklisted process makes network request 4 IoCs

flow	pid	Process
4	2580	msiexec.exe
8	2580	msiexec.exe
9	2580	msiexec.exe
10	2580	msiexec.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
2928	1 (1).exe
2928	1 (1).exe
2928	1 (1).exe
2928	1 (1).exe
2928	1 (1).exe
2928	1 (1).exe
2928	1 (1).exe
2928	1 (1).exe
2928	1 (1).exe
2928	1 (1).exe
2580	msiexec.exe
2580	msiexec.exe
2580	msiexec.exe
2580	msiexec.exe
2580	msiexec.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2928	1 (1).exe
2928	1 (1).exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2580	2928	1 (1).exe	28
PID 2928 wrote to memory of 2580	2928	1 (1).exe	28
PID 2928 wrote to memory of 2580	2928	1 (1).exe	28
PID 2928 wrote to memory of 2580	2928	1 (1).exe	28
PID 2928 wrote to memory of 2580	2928	1 (1).exe	28
PID 2928 wrote to memory of 2580	2928	1 (1).exe	28
PID 2928 wrote to memory of 2580	2928	1 (1).exe	28
PID 2928 wrote to memory of 2580	2928	1 (1).exe	28

C:\Users\Admin\AppData\Local\Temp\1 (1).exe
"C:\Users\Admin\AppData\Local\Temp\1 (1).exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\msiexec.exe
  C:\Windows\system32\msiexec.exe -Puppet
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  PID:2580

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
64KB

MD5
da153aeec67f15789dfd9ba3bd4b4d92

SHA1
75f3e69d641f596ccb4dc6056476b7a2b7c73603

SHA256
e9762c08760d6994b8b5447b9b33a0b6871ecc1f5dc700072f913c2f5bca4c76

SHA512
db473b135df641c90a54cc8f8d241d531db23c732b68013624e53c221408ce587901517310161474570fd94e7e08823d93b263508c89d70e22e36779437bed2b

Download Submit
memory/2580-11-0x0000000000150000-0x000000000019E000-memory.dmp

Filesize
312KB

Download
memory/2580-12-0x0000000000150000-0x000000000019E000-memory.dmp

Filesize
312KB

Download
memory/2580-15-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/2928-3-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/2928-2-0x0000000002FF0000-0x00000000030F0000-memory.dmp

Filesize
1024KB

Download
memory/2928-10-0x0000000077AE0000-0x0000000077BB6000-memory.dmp

Filesize
856KB

Download