a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc

General

Target

a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Size

916KB
MD5

7f614be5e9b8234eb45b8cc0bfdb11f4
SHA1

d6ac81d675b72a4991130568fcbcb0dc7440f514
SHA256

a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc
SHA512

870ccf3b24adfa547844a7e9b0cfe4ef6da2f72c5c22e028b2b5ea2ec6a3f0588da33bf35d50eacdd6618f9ade024c8fde5fda90c6e8730aacd1b746b68fe172
SSDEEP

24576:50Ytp60S1+JZXTrwzW+93ww0+ei21o3v7J:BC0tXTg/gw0+rv1

Score

7^/10

spyware stealer

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe

Deletes itself 1 IoCs

pid	Process
812	cmd.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1744	timeout.exe

Modifies registry class 19 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\ProgID\ = "Excel.Chart.5"	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\TreatAs\ = "{00020821-0000-0000-C000-000000000046}"	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\AuxUserType\2\ = "Chart"	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\DefaultIcon	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\PersistentHandler\ = "{98de59a0-d175-11cd-a7bd-00006b827d94}"	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\ = "Microsoft Excel Chart"	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\AutoConvertTo	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\NotInsertable	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\AutoConvertTo\ = "{00020821-0000-0000-C000-000000000046}"	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\AuxUserType	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\PersistentHandler	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\AuxUserType\3\ = "Microsoft Excel"	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\DefaultIcon\ = "C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE,1"	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\Insertable	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\ProgID	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\TreatAs	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\AuxUserType\2	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD211730-848A-F6FE-25B7-CBFA4A410CDA}\AuxUserType\3	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	836	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
Token: SeIncBasePriorityPrivilege	836	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 812	836	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe	30
PID 836 wrote to memory of 812	836	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe	30
PID 836 wrote to memory of 812	836	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe	30
PID 836 wrote to memory of 812	836	a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe	30
PID 812 wrote to memory of 1744	812	cmd.exe	32
PID 812 wrote to memory of 1744	812	cmd.exe	32
PID 812 wrote to memory of 1744	812	cmd.exe	32
PID 812 wrote to memory of 1744	812	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe
"C:\Users\Admin\AppData\Local\Temp\a4612a2059d51283826f6a932e5e58f467fb04612e535da3421e71ecdb4a6bbc.exe"
1⤵
- Checks BIOS information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:836
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 5 && del C:\Users\Admin\AppData\Local\Temp\A4612A~1.EXE
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:812
- - C:\Windows\SysWOW64\timeout.exe
    timeout 5
    3⤵
    - Delays execution with timeout.exe
    PID:1744

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/836-54-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/836-55-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/836-56-0x0000000001F20000-0x0000000002008000-memory.dmp

Filesize
928KB

Download
memory/836-61-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/836-62-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/836-64-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download

Analysis

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