a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7

General

Target

a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe
Size

1020KB
MD5

2d12a9f7e2fc26986e03d891564d7ee8
SHA1

343dcd047d5dd2d099b232056f73b0f5bc0a3681
SHA256

a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7
SHA512

9d71eb51a19724f86c19ba75f25f63e82b87d1cbcf7ed834c511ad237c778a6ced040beb07e3e4c8675b8b33a8a90b10cb10ff41699a6ccd77ad7bb41a135757
SSDEEP

24576:U+ZkpyYFg/PUlfzkFU2udGv2srI0xOHSKrpcECZeNyBK:jkcYFg/MlfzkFludGOsrCSEcxeNH

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/668-55-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/936-72-0x0000000000400000-0x0000000000646000-memory.dmp	upx
behavioral1/memory/936-73-0x0000000000400000-0x0000000000646000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe"	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 668 set thread context of 936	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	30

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 668 wrote to memory of 1020	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	28
PID 668 wrote to memory of 1020	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	28
PID 668 wrote to memory of 1020	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	28
PID 668 wrote to memory of 1020	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	28
PID 668 wrote to memory of 1456	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	29
PID 668 wrote to memory of 1456	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	29
PID 668 wrote to memory of 1456	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	29
PID 668 wrote to memory of 1456	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	29
PID 668 wrote to memory of 936	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	30
PID 668 wrote to memory of 936	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	30
PID 668 wrote to memory of 936	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	30
PID 668 wrote to memory of 936	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	30
PID 668 wrote to memory of 936	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	30
PID 668 wrote to memory of 936	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	30
PID 668 wrote to memory of 936	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	30
PID 668 wrote to memory of 936	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	30
PID 668 wrote to memory of 936	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	30
PID 668 wrote to memory of 936	668	a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe	30

C:\Users\Admin\AppData\Local\Temp\a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe
"C:\Users\Admin\AppData\Local\Temp\a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:668
- C:\Users\Admin\AppData\Local\Temp\a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe
  C:\Users\Admin\AppData\Local\Temp\a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe
  2⤵
  PID:1020
- C:\Users\Admin\AppData\Local\Temp\a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe
  C:\Users\Admin\AppData\Local\Temp\a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe
  2⤵
  PID:1456
- C:\Users\Admin\AppData\Local\Temp\a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe
  C:\Users\Admin\AppData\Local\Temp\a31869fa54f10e2fa272725fe4cf96c7a1bc5b74182bde830548afca267242b7.exe
  2⤵
  - Adds Run key to start application
  PID:936

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/668-54-0x0000000075981000-0x0000000075983000-memory.dmp

Filesize
8KB

Download
memory/668-55-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/668-56-0x00000000002C0000-0x00000000002D0000-memory.dmp

Filesize
64KB

Download
memory/668-67-0x00000000002D0000-0x00000000002D4000-memory.dmp

Filesize
16KB

Download
memory/936-62-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/936-60-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/936-59-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/936-65-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/936-64-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/936-57-0x00000000001B0000-0x00000000002AA000-memory.dmp

Filesize
1000KB

Download
memory/936-69-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/936-70-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/936-72-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download
memory/936-73-0x0000000000400000-0x0000000000646000-memory.dmp

Filesize
2.3MB

Download

Analysis

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