6e09b62d4feb68bd347e66b903503958bfb69c5d8f6408d7fe7546cd39ae191d

Analysis

max time kernel
141s
max time network
117s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 03:57

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General

Target

27279fef7becb54fd327f2adba9c500a.exe
Size

39KB
MD5

27279fef7becb54fd327f2adba9c500a
SHA1

1b9cb10413b78c4a511c52a71f0b09d494c30b9b
SHA256

6e09b62d4feb68bd347e66b903503958bfb69c5d8f6408d7fe7546cd39ae191d
SHA512

fba971ad288af277be1d7b5b7a0ac112d76ea03f0f73a6a915761aa54236c92f7db2cb5a3b5b12264c353cdbeec53db30bf068ef1bbb76765392263fa947023d
SSDEEP

768:XXmmIlfh2z4MMDa0DUM/YytkxfJCbeT2zDGgRd6+2v2X6MQw/jUg:nmmIZhtblxtSfenDGo4+FXHQMR

Score

8^/10

evasion persistence

Malware Config

Signatures

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\Disableregistrytools = "1"	27279fef7becb54fd327f2adba9c500a.exe

Disables Task Manager via registry modification
evasion
Disables use of System Restore points 1 TTPs
evasion

Inhibit System Recovery
T1490

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	27279fef7becb54fd327f2adba9c500a.exe

Executes dropped EXE 1 IoCs

pid	Process
2572	symldvc.exe

Loads dropped DLL 3 IoCs

pid	Process
880	27279fef7becb54fd327f2adba9c500a.exe
880	27279fef7becb54fd327f2adba9c500a.exe
2572	symldvc.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Symantec Device Config = "symldvc.exe"	27279fef7becb54fd327f2adba9c500a.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\symldvc.exe	27279fef7becb54fd327f2adba9c500a.exe
File opened for modification	C:\Windows\SysWOW64\symldvc.exe	27279fef7becb54fd327f2adba9c500a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2872 set thread context of 880	2872	27279fef7becb54fd327f2adba9c500a.exe	23

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	880	27279fef7becb54fd327f2adba9c500a.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 880	2872	27279fef7becb54fd327f2adba9c500a.exe	23
PID 2872 wrote to memory of 880	2872	27279fef7becb54fd327f2adba9c500a.exe	23
PID 2872 wrote to memory of 880	2872	27279fef7becb54fd327f2adba9c500a.exe	23
PID 2872 wrote to memory of 880	2872	27279fef7becb54fd327f2adba9c500a.exe	23
PID 2872 wrote to memory of 880	2872	27279fef7becb54fd327f2adba9c500a.exe	23
PID 2872 wrote to memory of 880	2872	27279fef7becb54fd327f2adba9c500a.exe	23
PID 2872 wrote to memory of 880	2872	27279fef7becb54fd327f2adba9c500a.exe	23
PID 2872 wrote to memory of 880	2872	27279fef7becb54fd327f2adba9c500a.exe	23
PID 2872 wrote to memory of 880	2872	27279fef7becb54fd327f2adba9c500a.exe	23
PID 880 wrote to memory of 2572	880	27279fef7becb54fd327f2adba9c500a.exe	29
PID 880 wrote to memory of 2572	880	27279fef7becb54fd327f2adba9c500a.exe	29
PID 880 wrote to memory of 2572	880	27279fef7becb54fd327f2adba9c500a.exe	29
PID 880 wrote to memory of 2572	880	27279fef7becb54fd327f2adba9c500a.exe	29
PID 880 wrote to memory of 2680	880	27279fef7becb54fd327f2adba9c500a.exe	30
PID 880 wrote to memory of 2680	880	27279fef7becb54fd327f2adba9c500a.exe	30
PID 880 wrote to memory of 2680	880	27279fef7becb54fd327f2adba9c500a.exe	30
PID 880 wrote to memory of 2680	880	27279fef7becb54fd327f2adba9c500a.exe	30
PID 880 wrote to memory of 2688	880	27279fef7becb54fd327f2adba9c500a.exe	37
PID 880 wrote to memory of 2688	880	27279fef7becb54fd327f2adba9c500a.exe	37
PID 880 wrote to memory of 2688	880	27279fef7becb54fd327f2adba9c500a.exe	37
PID 880 wrote to memory of 2688	880	27279fef7becb54fd327f2adba9c500a.exe	37
PID 880 wrote to memory of 2664	880	27279fef7becb54fd327f2adba9c500a.exe	36
PID 880 wrote to memory of 2664	880	27279fef7becb54fd327f2adba9c500a.exe	36
PID 880 wrote to memory of 2664	880	27279fef7becb54fd327f2adba9c500a.exe	36
PID 880 wrote to memory of 2664	880	27279fef7becb54fd327f2adba9c500a.exe	36
PID 2572 wrote to memory of 2692	2572	symldvc.exe	31
PID 2572 wrote to memory of 2692	2572	symldvc.exe	31
PID 2572 wrote to memory of 2692	2572	symldvc.exe	31
PID 2572 wrote to memory of 2692	2572	symldvc.exe	31
PID 880 wrote to memory of 2720	880	27279fef7becb54fd327f2adba9c500a.exe	35
PID 880 wrote to memory of 2720	880	27279fef7becb54fd327f2adba9c500a.exe	35
PID 880 wrote to memory of 2720	880	27279fef7becb54fd327f2adba9c500a.exe	35
PID 880 wrote to memory of 2720	880	27279fef7becb54fd327f2adba9c500a.exe	35
PID 880 wrote to memory of 2880	880	27279fef7becb54fd327f2adba9c500a.exe	39
PID 880 wrote to memory of 2880	880	27279fef7becb54fd327f2adba9c500a.exe	39
PID 880 wrote to memory of 2880	880	27279fef7becb54fd327f2adba9c500a.exe	39
PID 880 wrote to memory of 2880	880	27279fef7becb54fd327f2adba9c500a.exe	39

C:\Users\Admin\AppData\Local\Temp\27279fef7becb54fd327f2adba9c500a.exe
"C:\Users\Admin\AppData\Local\Temp\27279fef7becb54fd327f2adba9c500a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Users\Admin\AppData\Local\Temp\27279fef7becb54fd327f2adba9c500a.exe
  "C:\Users\Admin\AppData\Local\Temp\27279fef7becb54fd327f2adba9c500a.exe"
  2⤵
  - Disables RegEdit via registry modification
  - Drops file in Drivers directory
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:880
- - C:\Windows\SysWOW64\symldvc.exe
    "C:\Windows\system32\symldvc.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2572
  - - C:\Windows\SysWOW64\symldvc.exe
      "C:\Windows\SysWOW64\symldvc.exe"
      4⤵
      PID:2692
- - C:\Windows\SysWOW64\CMD.exe
    CMD /C del /F /S /Q *.zip
    3⤵
    PID:2680
- - C:\Windows\SysWOW64\CMD.exe
    CMD /C del /F /S /Q "%HOMEPATH%\My Documents\My Recieved Files\*.com"
    3⤵
    PID:2720
- - C:\Windows\SysWOW64\CMD.exe
    CMD /C del /F /S /Q "%HOMEPATH%\My Documents\My Recieved Files\*.zip"
    3⤵
    PID:2664
- - C:\Windows\SysWOW64\CMD.exe
    CMD /C del /F /S /Q *.com
    3⤵
    PID:2688
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\27279F~1.EXE > nul
    3⤵
    PID:2880

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

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Downloads

\Windows\SysWOW64\symldvc.exe

Filesize
39KB

MD5
27279fef7becb54fd327f2adba9c500a

SHA1
1b9cb10413b78c4a511c52a71f0b09d494c30b9b

SHA256
6e09b62d4feb68bd347e66b903503958bfb69c5d8f6408d7fe7546cd39ae191d

SHA512
fba971ad288af277be1d7b5b7a0ac112d76ea03f0f73a6a915761aa54236c92f7db2cb5a3b5b12264c353cdbeec53db30bf068ef1bbb76765392263fa947023d

Download Submit
memory/880-0-0x0000000000120000-0x000000000012E000-memory.dmp

Filesize
56KB

Download
memory/880-2-0x0000000000120000-0x000000000012E000-memory.dmp

Filesize
56KB

Download
memory/880-4-0x0000000000120000-0x000000000012E000-memory.dmp

Filesize
56KB

Download
memory/880-7-0x0000000000120000-0x000000000012E000-memory.dmp

Filesize
56KB

Download
memory/880-10-0x0000000000120000-0x000000000012E000-memory.dmp

Filesize
56KB

Download
memory/880-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/880-15-0x0000000000120000-0x000000000012E000-memory.dmp

Filesize
56KB

Download
memory/2572-32-0x0000000000120000-0x0000000000131000-memory.dmp

Filesize
68KB

Download
memory/2872-14-0x0000000000120000-0x0000000000131000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads