40a18edab89c91c6c457a1c9dd33c3ca3ab97d755ce9af132bfdfd1f2d55c390

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 07:49

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General

Target

1006f3655838b8b52a03fa21cba87a4e.exe
Size

20KB
MD5

1006f3655838b8b52a03fa21cba87a4e
SHA1

027e942d5de031a4a1f52286020db2c19d3f0379
SHA256

40a18edab89c91c6c457a1c9dd33c3ca3ab97d755ce9af132bfdfd1f2d55c390
SHA512

fb51f4e3cec8d01ab8c373e0e3eb105eb92914a964f51bdac0c741b139fb83b32cbe14548b007a83eb22c6b62e2e46fb61b621781cf176983fc661fea189f767
SSDEEP

192:YAiVgBcnIILbU1dWLiXjCxPLsuirxMCgcL6ApyoaivfwM:YjVMIH0dWGOmt52hot

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2036	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2384	csrcs.exe

Loads dropped DLL 2 IoCs

pid	Process
2036	svchost.exe
2036	svchost.exe

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-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrcs = "C:\\Users\\Admin\\AppData\\Local\\Temp\\csrcs.exe"	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1708 set thread context of 2036	1708	1006f3655838b8b52a03fa21cba87a4e.exe	28
PID 2384 set thread context of 2976	2384	csrcs.exe	30

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 2036	1708	1006f3655838b8b52a03fa21cba87a4e.exe	28
PID 1708 wrote to memory of 2036	1708	1006f3655838b8b52a03fa21cba87a4e.exe	28
PID 1708 wrote to memory of 2036	1708	1006f3655838b8b52a03fa21cba87a4e.exe	28
PID 1708 wrote to memory of 2036	1708	1006f3655838b8b52a03fa21cba87a4e.exe	28
PID 1708 wrote to memory of 2036	1708	1006f3655838b8b52a03fa21cba87a4e.exe	28
PID 1708 wrote to memory of 2036	1708	1006f3655838b8b52a03fa21cba87a4e.exe	28
PID 1708 wrote to memory of 2036	1708	1006f3655838b8b52a03fa21cba87a4e.exe	28
PID 1708 wrote to memory of 2036	1708	1006f3655838b8b52a03fa21cba87a4e.exe	28
PID 2036 wrote to memory of 2384	2036	svchost.exe	29
PID 2036 wrote to memory of 2384	2036	svchost.exe	29
PID 2036 wrote to memory of 2384	2036	svchost.exe	29
PID 2036 wrote to memory of 2384	2036	svchost.exe	29
PID 2384 wrote to memory of 2976	2384	csrcs.exe	30
PID 2384 wrote to memory of 2976	2384	csrcs.exe	30
PID 2384 wrote to memory of 2976	2384	csrcs.exe	30
PID 2384 wrote to memory of 2976	2384	csrcs.exe	30
PID 2384 wrote to memory of 2976	2384	csrcs.exe	30
PID 2384 wrote to memory of 2976	2384	csrcs.exe	30
PID 2384 wrote to memory of 2976	2384	csrcs.exe	30
PID 2384 wrote to memory of 2976	2384	csrcs.exe	30

C:\Users\Admin\AppData\Local\Temp\1006f3655838b8b52a03fa21cba87a4e.exe
"C:\Users\Admin\AppData\Local\Temp\1006f3655838b8b52a03fa21cba87a4e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2036
- - C:\Users\Admin\AppData\Local\Temp\csrcs.exe
    "C:\Users\Admin\AppData\Local\Temp\csrcs.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2384
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      PID:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\csrcs.exe

Filesize
20KB

MD5
1006f3655838b8b52a03fa21cba87a4e

SHA1
027e942d5de031a4a1f52286020db2c19d3f0379

SHA256
40a18edab89c91c6c457a1c9dd33c3ca3ab97d755ce9af132bfdfd1f2d55c390

SHA512
fb51f4e3cec8d01ab8c373e0e3eb105eb92914a964f51bdac0c741b139fb83b32cbe14548b007a83eb22c6b62e2e46fb61b621781cf176983fc661fea189f767

Download Submit
memory/2036-8-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/2036-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2036-13-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads