5cf56064038420405669c558cf894908422f66db2214db055cb49fecc5618b81

Analysis

max time kernel
118s
max time network
156s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 04:11

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General

Target

279e72c35e1da22a3b54952ae27be05c.exe
Size

58KB
MD5

279e72c35e1da22a3b54952ae27be05c
SHA1

7d3c6e35b746045adde0ad6988a2b065aad270d2
SHA256

5cf56064038420405669c558cf894908422f66db2214db055cb49fecc5618b81
SHA512

7e18bd1eb6d72009b95a6f50a310b2f998b4272feed0197387056aff2d2640f4e43fd72351173f5c30d403535c5919bfe235d066a60e3b9f5a76dc28ba861d72
SSDEEP

1536:TFzC7r8NjnQXCMtjWcEMgS+nwEHW90Jz1qJSj3GgR15:hC7r8NjQLh+wEHJJzon67

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2548	wls3.exe

Loads dropped DLL 1 IoCs

pid	Process
2548	wls3.exe

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\wls3 = "C:\\Windows\\wls3.exe"	wls3.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\wls3.exe	279e72c35e1da22a3b54952ae27be05c.exe
File opened for modification	C:\Windows\wls3.exe	279e72c35e1da22a3b54952ae27be05c.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2808	279e72c35e1da22a3b54952ae27be05c.exe
2548	wls3.exe
2548	wls3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2548	wls3.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2548	2808	279e72c35e1da22a3b54952ae27be05c.exe	29
PID 2808 wrote to memory of 2548	2808	279e72c35e1da22a3b54952ae27be05c.exe	29
PID 2808 wrote to memory of 2548	2808	279e72c35e1da22a3b54952ae27be05c.exe	29
PID 2808 wrote to memory of 2548	2808	279e72c35e1da22a3b54952ae27be05c.exe	29

C:\Users\Admin\AppData\Local\Temp\279e72c35e1da22a3b54952ae27be05c.exe
"C:\Users\Admin\AppData\Local\Temp\279e72c35e1da22a3b54952ae27be05c.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\wls3.exe
  C:\Windows\wls3.exe /af8@C:\Users\Admin\AppData\Local\Temp\279e72c35e1da22a3b54952ae27be05c.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2548

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:\Windows\wls3.exe

Filesize
58KB

MD5
279e72c35e1da22a3b54952ae27be05c

SHA1
7d3c6e35b746045adde0ad6988a2b065aad270d2

SHA256
5cf56064038420405669c558cf894908422f66db2214db055cb49fecc5618b81

SHA512
7e18bd1eb6d72009b95a6f50a310b2f998b4272feed0197387056aff2d2640f4e43fd72351173f5c30d403535c5919bfe235d066a60e3b9f5a76dc28ba861d72

Download Submit
\Users\Admin\AppData\Local\Temp\wls0.dll

Filesize
44KB

MD5
52297af1699b40f28c33eea774693049

SHA1
35317308fa5d145e960e087e30fc5831e52b1302

SHA256
48166431a598d749a46ee4339f5163709f0867f5084c6d7d8b027086d0065763

SHA512
4e52b3fb6fd7712f9ca927de71fd540828b6d7550c78553e1fea715256164bc5ef9c5e74c3b930d5f9fbf6fe1a11736ef66af60827e1c67283749ec64453a3c9

Download Submit
memory/2548-11-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2548-12-0x0000000000020000-0x0000000000030000-memory.dmp

Filesize
64KB

Download
memory/2548-17-0x0000000010000000-0x0000000010017000-memory.dmp

Filesize
92KB

Download
memory/2548-18-0x0000000010000000-0x0000000010017000-memory.dmp

Filesize
92KB

Download
memory/2548-19-0x0000000010000000-0x0000000010017000-memory.dmp

Filesize
92KB

Download
memory/2548-20-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2548-21-0x0000000000020000-0x0000000000030000-memory.dmp

Filesize
64KB

Download
memory/2808-5-0x0000000000430000-0x0000000000457000-memory.dmp

Filesize
156KB

Download
memory/2808-2-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2808-10-0x0000000000430000-0x0000000000457000-memory.dmp

Filesize
156KB

Download
memory/2808-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2808-13-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2808-1-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download