ad8c095f07e4078bc9a174743a96610b1accd6e9acfbb05a2642f888af022909

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/01/2024, 00:26

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General

Target
3e40e708cf46ebcacae52a4146f40ca4.exe
Size 541KB
Sample240102-arcrqsdabq
SHA256 ad8c095f07e4078bc9a174743a96610b1accd6e9acfbb05a2642f888af022909
MD5 3e40e708cf46ebcacae52a4146f40ca4
SHA1 175d690db3f9a03f6b9ebffe028362c6106ef15c
SHA512 e416320e7c14faefcc91024f75dacb30d3916bb1124fe86fadf436be6478d0a2352bce197669553f6fce2eb82d5326f5883e2f1ebb0bc107106e02c3f3c0d600
SSDEEP 12288:+lVvz2tRC2eDmZcwwkJKZbfWhH9w4WcXDBKf:+lxz2VmmZchkJKshH9y6DB
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3648-0-0x0000000000400000-0x0000000000515000-memory.dmp	upx
behavioral2/memory/3648-4-0x0000000000400000-0x0000000000515000-memory.dmp	upx
behavioral2/memory/3648-16-0x0000000000400000-0x0000000000515000-memory.dmp	upx

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\Expl0rer = "C:\\Windows\\expl0rer.exe"	3e40e708cf46ebcacae52a4146f40ca4.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\irc.ini	3e40e708cf46ebcacae52a4146f40ca4.exe
File created	C:\Windows\Expl0rer.exe	3e40e708cf46ebcacae52a4146f40ca4.exe
File opened for modification	C:\Windows\Expl0rer.exe	3e40e708cf46ebcacae52a4146f40ca4.exe

Runs net.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 2348	3648	3e40e708cf46ebcacae52a4146f40ca4.exe	91
PID 3648 wrote to memory of 2348	3648	3e40e708cf46ebcacae52a4146f40ca4.exe	91
PID 3648 wrote to memory of 2348	3648	3e40e708cf46ebcacae52a4146f40ca4.exe	91
PID 2348 wrote to memory of 2680	2348	net.exe	90
PID 2348 wrote to memory of 2680	2348	net.exe	90
PID 2348 wrote to memory of 2680	2348	net.exe	90

C:\Users\Admin\AppData\Local\Temp\3e40e708cf46ebcacae52a4146f40ca4.exe
"C:\Users\Admin\AppData\Local\Temp\3e40e708cf46ebcacae52a4146f40ca4.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3648
- C:\Windows\SysWOW64\net.exe
  net stop SharedAccess
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2348

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop SharedAccess
1⤵
PID:2680

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

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Downloads

memory/3648-0-0x0000000000400000-0x0000000000515000-memory.dmp

Download

memory/3648-1-0x0000000000A10000-0x0000000000A11000-memory.dmp

Download

memory/3648-4-0x0000000000400000-0x0000000000515000-memory.dmp

Download

memory/3648-6-0x0000000000A10000-0x0000000000A11000-memory.dmp

Download

memory/3648-16-0x0000000000400000-0x0000000000515000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads