6c78f42692176f97269807e4a685a2c9d5d0a811cfa5ccb65b63e2a6da80d182

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/12/2023, 18:32

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General

Target

0c15c2b40fd0a496a1ca36d3fbb203c1.exe
Size

885KB
MD5

0c15c2b40fd0a496a1ca36d3fbb203c1
SHA1

01312c3806c9a9d6aa8be11f196544f4d7afaee3
SHA256

6c78f42692176f97269807e4a685a2c9d5d0a811cfa5ccb65b63e2a6da80d182
SHA512

0764bbb2689e99e28b9983553bd9a8eb6eda97428c161c9fcc7dff49ee130d4eff56769a7c24144ec0fffeedf2f18139f88eb70651fd97f44eb15421401080ad
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27QitjBHANNVAUNE:r5sJo6YrFUiyAak11LtjJ

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2104	svchest000.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1812-1-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2104-9-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2104-12-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/files/0x000c00000001444d-7.dat	upx
behavioral1/memory/1812-0-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/1812-13-0x0000000000400000-0x0000000000597000-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\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0c15c2b40fd0a496a1ca36d3fbb203c1.exe"	0c15c2b40fd0a496a1ca36d3fbb203c1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1812	0c15c2b40fd0a496a1ca36d3fbb203c1.exe
2104	svchest000.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\Windows\BJ.exe	0c15c2b40fd0a496a1ca36d3fbb203c1.exe
File opened for modification	\??\c:\Windows\BJ.exe	0c15c2b40fd0a496a1ca36d3fbb203c1.exe
File created	\??\c:\Windows\svchest000.exe	0c15c2b40fd0a496a1ca36d3fbb203c1.exe
File opened for modification	\??\c:\Windows\svchest000.exe	0c15c2b40fd0a496a1ca36d3fbb203c1.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 2104	1812	0c15c2b40fd0a496a1ca36d3fbb203c1.exe	17
PID 1812 wrote to memory of 2104	1812	0c15c2b40fd0a496a1ca36d3fbb203c1.exe	17
PID 1812 wrote to memory of 2104	1812	0c15c2b40fd0a496a1ca36d3fbb203c1.exe	17
PID 1812 wrote to memory of 2104	1812	0c15c2b40fd0a496a1ca36d3fbb203c1.exe	17

C:\Users\Admin\AppData\Local\Temp\0c15c2b40fd0a496a1ca36d3fbb203c1.exe
"C:\Users\Admin\AppData\Local\Temp\0c15c2b40fd0a496a1ca36d3fbb203c1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1812
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:2104

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

C:\Windows\svchest000.exe

Filesize
165KB

MD5
c90a0c3877ae2853780f45a3ff3b8f69

SHA1
ac7dafee7d82761c03257b006e3188b6ad80a4dc

SHA256
6ae5e09b35e9bacd9c680fd3f1ad5f27d5d819c6ae9f6e16c320cedfc865277e

SHA512
3c4b3897870c1743f40c47e8a895d7119d9dd69b1288adf8e1ec2b04aa20db9be0a3d3bfce73c93091f4d7ee8d5743b714a59b4e64a2106a0067a464c52ba842

Download Submit
memory/1812-1-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1812-0-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1812-13-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/1812-14-0x00000000027E0000-0x0000000002977000-memory.dmp

Filesize
1.6MB

Download
memory/2104-9-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2104-12-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads