f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8

General

Target

f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe
Size

1.2MB
MD5

a2aad753587a08feeb95e997e0b50b06
SHA1

44e7398af49003fa3d8632519af7910360f9bb93
SHA256

f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8
SHA512

4283eb55e555019e0b6bc8bb6399080a780c648fb02a9778435d2b4fc8eb8369aea291cc36940aad4a3e322af9b87152adc0c297d98e011dc85077709419b96d
SSDEEP

24576:w32K9nTaIi6fKcs2RDCZ3uBs0Sb9m3n7IWOZp46aE9RAW:w3MIimKZ8mBuBs0S58nbOZ1aE9O

Score

8^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

cpuid.exe

pid process

5040 cpuid.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\cpuid.exe	upx
C:\Users\Admin\AppData\Roaming\cpuid.exe	upx
behavioral2/memory/5040-143-0x0000000000400000-0x00000000004C1000-memory.dmp	upx
behavioral2/memory/5040-144-0x0000000000400000-0x00000000004C1000-memory.dmp	upx
behavioral2/memory/5040-146-0x0000000000400000-0x00000000004C1000-memory.dmp	upx

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
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
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\""	f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/5040-143-0x0000000000400000-0x00000000004C1000-memory.dmp	autoit_exe
behavioral2/memory/5040-144-0x0000000000400000-0x00000000004C1000-memory.dmp	autoit_exe
behavioral2/memory/5040-146-0x0000000000400000-0x00000000004C1000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe

description	pid	process	target process
PID 2612 set thread context of 2216	2612	f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe	vbc.exe

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

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 11 IoCs

Processes:

cpuid.exe

pid	process
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe

Suspicious use of SendNotifyMessage 11 IoCs

Processes:

cpuid.exe

pid	process
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe
5040	cpuid.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exevbc.execpuid.exe

description	pid	process	target process
PID 2612 wrote to memory of 2216	2612	f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe	vbc.exe
PID 2612 wrote to memory of 2216	2612	f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe	vbc.exe
PID 2612 wrote to memory of 2216	2612	f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe	vbc.exe
PID 2612 wrote to memory of 2216	2612	f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe	vbc.exe
PID 2612 wrote to memory of 2216	2612	f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe	vbc.exe
PID 2612 wrote to memory of 2216	2612	f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe	vbc.exe
PID 2612 wrote to memory of 2216	2612	f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe	vbc.exe
PID 2612 wrote to memory of 2216	2612	f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe	vbc.exe
PID 2612 wrote to memory of 2216	2612	f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe	vbc.exe
PID 2216 wrote to memory of 5040	2216	vbc.exe	cpuid.exe
PID 2216 wrote to memory of 5040	2216	vbc.exe	cpuid.exe
PID 2216 wrote to memory of 5040	2216	vbc.exe	cpuid.exe
PID 5040 wrote to memory of 1744	5040	cpuid.exe	cmd.exe
PID 5040 wrote to memory of 1744	5040	cpuid.exe	cmd.exe
PID 5040 wrote to memory of 1744	5040	cpuid.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe
"C:\Users\Admin\AppData\Local\Temp\f2bd8dad0865697b7422f3ef00bd860c3616e8080dbf12c7e6b0e5828cebf0d8.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2612

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2216

C:\Users\Admin\AppData\Roaming\cpuid.exe
"C:\Users\Admin\AppData\Roaming\cpuid.exe"
3⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5040

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c dir /b /s /a "C:\Users\Admin\AppData\Roaming\*.dat"
4⤵
PID:1744

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\cpuid.exe
Filesize
376KB

MD5
3f941c126d0b8babc471e0e91c49a5bf

SHA1
6f7b63fbdf1bd596a4c87c04a023b6ab75c8b1d7

SHA256
357aeae30cfdc314f327d40f9be6e95a7b6bdb2688fe8fc0102a8a19c88c5af8

SHA512
ee09f0b1d43055714cd209141454114e190b0e36f16aeeb0b2368f7ff7bb9f6cdaf7b963e57059182121b530dd9f56bfd9077b83cddb522f04e5802ea6045a72

Download Submit
C:\Users\Admin\AppData\Roaming\cpuid.exe
Filesize
376KB

MD5
3f941c126d0b8babc471e0e91c49a5bf

SHA1
6f7b63fbdf1bd596a4c87c04a023b6ab75c8b1d7

SHA256
357aeae30cfdc314f327d40f9be6e95a7b6bdb2688fe8fc0102a8a19c88c5af8

SHA512
ee09f0b1d43055714cd209141454114e190b0e36f16aeeb0b2368f7ff7bb9f6cdaf7b963e57059182121b530dd9f56bfd9077b83cddb522f04e5802ea6045a72

Download Submit
memory/1744-145-0x0000000000000000-mapping.dmp

Download
memory/2216-142-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2216-138-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2216-136-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2216-134-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2216-133-0x0000000000000000-mapping.dmp

Download
memory/2612-137-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/2612-132-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/5040-139-0x0000000000000000-mapping.dmp

Download
memory/5040-143-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/5040-144-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/5040-146-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads