1f988370230935ce3734ff83ee5ae781a3332048709ed3794c2632b9278dedc6

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/01/2024, 00:10

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General

Target

3f637d95c5bdc208917436da74999350.exe
Size

381KB
MD5

3f637d95c5bdc208917436da74999350
SHA1

94021727c090e694e5b02be2dde1e1723274f666
SHA256

1f988370230935ce3734ff83ee5ae781a3332048709ed3794c2632b9278dedc6
SHA512

68c7a9cfe5996314fc11e9067b46f0f4fd3b08bb4d9fabc885cb60527b1847a8d451ec674c5e381b932f0b7655661fc22f181023a6d405aff014c4f9bcda5831
SSDEEP

6144:HKcDrcizAV2SKOyMyVo3Y6pTXwEwcX1d1A9KX21L0nyxnCutAn7prDAyVhc6X8m8:dkizAV2qyMyVoI6prGcXH68XWLTh07pj

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\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\frAQBc8Wsa = "C:\\Windows\\System32\\frAQBc8Wsa.exe"	3f637d95c5bdc208917436da74999350.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\frAQBc8Wsa.exe	3f637d95c5bdc208917436da74999350.exe
File opened for modification	C:\Windows\SysWOW64\frAQBc8Wsa.exe	3f637d95c5bdc208917436da74999350.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2480	3f637d95c5bdc208917436da74999350.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 1204	2480	3f637d95c5bdc208917436da74999350.exe	7

C:\Users\Admin\AppData\Local\Temp\3f637d95c5bdc208917436da74999350.exe
"C:\Users\Admin\AppData\Local\Temp\3f637d95c5bdc208917436da74999350.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2480

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204

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

memory/1204-1-0x0000000002D40000-0x0000000002D41000-memory.dmp

Filesize
4KB

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