33fa60feab119340f4d945c6954ff05f9bd7ea38cd21db848d653d520ffa5755

General

Target

33fa60feab119340f4d945c6954ff05f9bd7ea38cd21db848d653d520ffa5755.exe
Size

205KB
MD5

c93c74a30fd3c8e2dda36643fbce4527
SHA1

ec31acf6a202b7a049b5e9e6afcbc3afbba4fe8b
SHA256

33fa60feab119340f4d945c6954ff05f9bd7ea38cd21db848d653d520ffa5755
SHA512

9586106aa5f34eb11cbfa8b0dd09269b0acb477f9039b106b8dea7b4e29d955a793fa4c80990415e6c6ad09d86dbe85f1eb6af365152e3b6494da4faca70f28b
SSDEEP

3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3180	clyfbcax.exe

Executes dropped EXE 2 IoCs

pid	Process
3180	clyfbcax.exe
2640	blp.exe

Loads dropped DLL 1 IoCs

pid	Process
2640	blp.exe

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
T1552.001

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\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\vbpkk\\blp.exe \"c:\\Program Files\\vbpkk\\blpow.dll\",Compliance"	blp.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\k:	blp.exe
File opened (read-only)	\??\q:	blp.exe
File opened (read-only)	\??\t:	blp.exe
File opened (read-only)	\??\a:	blp.exe
File opened (read-only)	\??\b:	blp.exe
File opened (read-only)	\??\g:	blp.exe
File opened (read-only)	\??\h:	blp.exe
File opened (read-only)	\??\i:	blp.exe
File opened (read-only)	\??\z:	blp.exe
File opened (read-only)	\??\e:	blp.exe
File opened (read-only)	\??\m:	blp.exe
File opened (read-only)	\??\r:	blp.exe
File opened (read-only)	\??\y:	blp.exe
File opened (read-only)	\??\j:	blp.exe
File opened (read-only)	\??\s:	blp.exe
File opened (read-only)	\??\v:	blp.exe
File opened (read-only)	\??\w:	blp.exe
File opened (read-only)	\??\x:	blp.exe
File opened (read-only)	\??\l:	blp.exe
File opened (read-only)	\??\n:	blp.exe
File opened (read-only)	\??\o:	blp.exe
File opened (read-only)	\??\p:	blp.exe
File opened (read-only)	\??\u:	blp.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	blp.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\vbpkk	clyfbcax.exe
File created	\??\c:\Program Files\vbpkk\blpow.dll	clyfbcax.exe
File created	\??\c:\Program Files\vbpkk\blp.exe	clyfbcax.exe
File opened for modification	\??\c:\Program Files\vbpkk\blp.exe	clyfbcax.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	blp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	blp.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3712	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2640	blp.exe
2640	blp.exe
2640	blp.exe
2640	blp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2640	blp.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2260	33fa60feab119340f4d945c6954ff05f9bd7ea38cd21db848d653d520ffa5755.exe
3180	clyfbcax.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 5000	2260	33fa60feab119340f4d945c6954ff05f9bd7ea38cd21db848d653d520ffa5755.exe	88
PID 2260 wrote to memory of 5000	2260	33fa60feab119340f4d945c6954ff05f9bd7ea38cd21db848d653d520ffa5755.exe	88
PID 2260 wrote to memory of 5000	2260	33fa60feab119340f4d945c6954ff05f9bd7ea38cd21db848d653d520ffa5755.exe	88
PID 5000 wrote to memory of 3712	5000	cmd.exe	90
PID 5000 wrote to memory of 3712	5000	cmd.exe	90
PID 5000 wrote to memory of 3712	5000	cmd.exe	90
PID 5000 wrote to memory of 3180	5000	cmd.exe	94
PID 5000 wrote to memory of 3180	5000	cmd.exe	94
PID 5000 wrote to memory of 3180	5000	cmd.exe	94
PID 3180 wrote to memory of 2640	3180	clyfbcax.exe	96
PID 3180 wrote to memory of 2640	3180	clyfbcax.exe	96
PID 3180 wrote to memory of 2640	3180	clyfbcax.exe	96

C:\Users\Admin\AppData\Local\Temp\33fa60feab119340f4d945c6954ff05f9bd7ea38cd21db848d653d520ffa5755.exe
"C:\Users\Admin\AppData\Local\Temp\33fa60feab119340f4d945c6954ff05f9bd7ea38cd21db848d653d520ffa5755.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\clyfbcax.exe "C:\Users\Admin\AppData\Local\Temp\33fa60feab119340f4d945c6954ff05f9bd7ea38cd21db848d653d520ffa5755.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5000
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:3712
- - C:\Users\Admin\AppData\Local\Temp\clyfbcax.exe
    C:\Users\Admin\AppData\Local\Temp\\clyfbcax.exe "C:\Users\Admin\AppData\Local\Temp\33fa60feab119340f4d945c6954ff05f9bd7ea38cd21db848d653d520ffa5755.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3180
  - - \??\c:\Program Files\vbpkk\blp.exe
      "c:\Program Files\vbpkk\blp.exe" "c:\Program Files\vbpkk\blpow.dll",Compliance C:\Users\Admin\AppData\Local\Temp\clyfbcax.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\vbpkk\blp.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Users\Admin\AppData\Local\Temp\clyfbcax.exe

Filesize
205KB

MD5
63979ee9054eada42cba2f569fc81971

SHA1
3ca172b7007712671a7f332789f45d0823fa4b42

SHA256
4186dd9aa3588c006785efd4a74bfda7b20ec8215ee7209032e9371f2669d769

SHA512
7d3488e8e95c0a3d81591ba40c6fc943a38e0f31afe7ce3984b9b8374529ffa2ffe77be98a5d6bc64d427f0000ab84200a24c74d866d9b32c45138e821ea9e2d

Download Submit
\??\c:\Program Files\vbpkk\blpow.dll

Filesize
141KB

MD5
e69b8c4aff36c48696130901a1bbaee9

SHA1
cfeff5251b32b9b9b814631a97ecaa8fe6ad4d50

SHA256
a01f87417c5e7453f3b8cfc1f3c5b9b35892d09a56ba03ccc20e0fb4d6aa2c21

SHA512
23c1ca63427c8c0da9efaba52ff618fd87b32198f5de30fa0d1bef8be89beab259accae4242af4b1a90eafb5aa05e5cbef3b784ddd9f6929e680a43094726699

Download Submit
memory/2260-1-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2260-2-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2260-4-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2260-0-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/2640-19-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2640-24-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2640-22-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/2640-20-0x0000000010000000-0x000000001004E000-memory.dmp

Filesize
312KB

Download
memory/3180-9-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3180-15-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3180-10-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download
memory/3180-8-0x0000000000400000-0x000000000044901D-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads