bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa

Analysis

max time kernel
243s
max time network
335s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 14:39

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General

Target

bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe
Size

9KB
MD5

e2523fb61df6a19e4ac208cbf7728a63
SHA1

b117a4a3187d3871500c8e554b029f0af254d606
SHA256

bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa
SHA512

272046679e1dde9545495c6245b4114d988bbeeb57003a3658d77a62b84c0a59f50cc8b978a7504ab813704afca6a03c9af376c02233df625bdf55d1f2348a94
SSDEEP

192:1lBwHV8T6YCNKGFttArJpYZd5ftLGxsWmtFcrlp:1lBwHm1OWrJpYZ3fQsWmjcrlp

Score

6^/10

persistence

Malware Config

Signatures

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	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SystemBackUp = "MicroLog.exe"	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 592 set thread context of 472	592	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe	28

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\MicroLog.exe	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe
File opened for modification	C:\Windows\MicroLog.exe	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1676	592	WerFault.exe	27

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
472	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 592 wrote to memory of 472	592	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe	28
PID 592 wrote to memory of 472	592	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe	28
PID 592 wrote to memory of 472	592	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe	28
PID 592 wrote to memory of 472	592	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe	28
PID 592 wrote to memory of 472	592	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe	28
PID 592 wrote to memory of 472	592	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe	28
PID 592 wrote to memory of 1676	592	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe	29
PID 592 wrote to memory of 1676	592	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe	29
PID 592 wrote to memory of 1676	592	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe	29
PID 592 wrote to memory of 1676	592	bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe	29

C:\Users\Admin\AppData\Local\Temp\bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe
"C:\Users\Admin\AppData\Local\Temp\bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:592
- C:\Users\Admin\AppData\Local\Temp\bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe
  C:\Users\Admin\AppData\Local\Temp\bc7f37779e2f5cc23ac4eeb3472a4896b57740f0c56130e83095426d93f864fa.exe
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:472
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 592 -s 92
  2⤵
  - Program crash
  PID:1676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/472-54-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/472-56-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/472-59-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/472-63-0x0000000000600000-0x0000000000603000-memory.dmp

Filesize
12KB

Download
memory/472-64-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/592-62-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download
memory/592-61-0x0000000000600000-0x0000000000603000-memory.dmp

Filesize
12KB

Download
memory/592-65-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download