ba67f398fb2c5f91c1c227725fec68eba38a9f6c81a425450baf1b94037fe77e

General

Target

NewClient.exe
Size

65KB
MD5

1bcb0ce08d34ba620819df0268e04011
SHA1

296765a47aa584a24bf66ddc9e67356e3203fac8
SHA256

ba67f398fb2c5f91c1c227725fec68eba38a9f6c81a425450baf1b94037fe77e
SHA512

f3409246d7cf16d9902d3420f6e5048e87859484e85a25eebc4559ddc6d26e9b40843b78b3a056c24e1bd9efc13d609f1a9ef37387789cb6994b84c7e4bd0145
SSDEEP

1536:MKqK4Tm4BoN36t4QviFw1AjHkBnvAffLteF3nLrB9z3nIaF9bXS9vM:MKqK4C4BoN36t4QviFC8EBnYfWl9zYab

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1544 cmd.exe
Executes dropped EXE 2 IoCs

Processes:

svhost.exesvhost.exe

pid process

2384 svhost.exe
2940 svhost.exe
Loads dropped DLL 1 IoCs

Processes:

NewClient.exe

pid process

2064 NewClient.exe

pid	process
1544	cmd.exe

pid	process
2384	svhost.exe
2940	svhost.exe

pid	process
2064	NewClient.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svhost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\svhost.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\svhost.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

NewClient.exesvhost.execmd.exechoice.exetaskkill.exeschtasks.exeschtasks.exesvhost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NewClient.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2848 taskkill.exe
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

2888 schtasks.exe

pid	process
2848	taskkill.exe

pid	process
2888	schtasks.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

svhost.exe

description	pid	process
Token: SeDebugPrivilege	2384	svhost.exe
Token: 33	2384	svhost.exe
Token: SeIncBasePriorityPrivilege	2384	svhost.exe
Token: 33	2384	svhost.exe
Token: SeIncBasePriorityPrivilege	2384	svhost.exe
Token: 33	2384	svhost.exe
Token: SeIncBasePriorityPrivilege	2384	svhost.exe
Token: 33	2384	svhost.exe
Token: SeIncBasePriorityPrivilege	2384	svhost.exe
Token: 33	2384	svhost.exe
Token: SeIncBasePriorityPrivilege	2384	svhost.exe
Token: SeShutdownPrivilege	2384	svhost.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

NewClient.execmd.exesvhost.exetaskeng.exe

description	pid	process	target process
PID 2064 wrote to memory of 2384	2064	NewClient.exe	svhost.exe
PID 2064 wrote to memory of 2384	2064	NewClient.exe	svhost.exe
PID 2064 wrote to memory of 2384	2064	NewClient.exe	svhost.exe
PID 2064 wrote to memory of 2384	2064	NewClient.exe	svhost.exe
PID 2064 wrote to memory of 1544	2064	NewClient.exe	cmd.exe
PID 2064 wrote to memory of 1544	2064	NewClient.exe	cmd.exe
PID 2064 wrote to memory of 1544	2064	NewClient.exe	cmd.exe
PID 2064 wrote to memory of 1544	2064	NewClient.exe	cmd.exe
PID 1544 wrote to memory of 2460	1544	cmd.exe	choice.exe
PID 1544 wrote to memory of 2460	1544	cmd.exe	choice.exe
PID 1544 wrote to memory of 2460	1544	cmd.exe	choice.exe
PID 1544 wrote to memory of 2460	1544	cmd.exe	choice.exe
PID 2384 wrote to memory of 2848	2384	svhost.exe	taskkill.exe
PID 2384 wrote to memory of 2848	2384	svhost.exe	taskkill.exe
PID 2384 wrote to memory of 2848	2384	svhost.exe	taskkill.exe
PID 2384 wrote to memory of 2848	2384	svhost.exe	taskkill.exe
PID 2384 wrote to memory of 2828	2384	svhost.exe	schtasks.exe
PID 2384 wrote to memory of 2828	2384	svhost.exe	schtasks.exe
PID 2384 wrote to memory of 2828	2384	svhost.exe	schtasks.exe
PID 2384 wrote to memory of 2828	2384	svhost.exe	schtasks.exe
PID 2384 wrote to memory of 2888	2384	svhost.exe	schtasks.exe
PID 2384 wrote to memory of 2888	2384	svhost.exe	schtasks.exe
PID 2384 wrote to memory of 2888	2384	svhost.exe	schtasks.exe
PID 2384 wrote to memory of 2888	2384	svhost.exe	schtasks.exe
PID 1884 wrote to memory of 2940	1884	taskeng.exe	svhost.exe
PID 1884 wrote to memory of 2940	1884	taskeng.exe	svhost.exe
PID 1884 wrote to memory of 2940	1884	taskeng.exe	svhost.exe
PID 1884 wrote to memory of 2940	1884	taskeng.exe	svhost.exe

C:\Users\Admin\AppData\Local\Temp\NewClient.exe
"C:\Users\Admin\AppData\Local\Temp\NewClient.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f im Wireshark.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    PID:2848
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2828
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\svhost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2888
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Local\Temp\NewClient.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1544
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 5
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2460

C:\Windows\system32\taskeng.exe
taskeng.exe {BD65F435-2A19-4F79-9F43-000F06E79A16} S-1-5-21-1163522206-1469769407-485553996-1000:PJCSDMRP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  C:\Users\Admin\AppData\Local\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\svhost.exe

Filesize
65KB

MD5
1bcb0ce08d34ba620819df0268e04011

SHA1
296765a47aa584a24bf66ddc9e67356e3203fac8

SHA256
ba67f398fb2c5f91c1c227725fec68eba38a9f6c81a425450baf1b94037fe77e

SHA512
f3409246d7cf16d9902d3420f6e5048e87859484e85a25eebc4559ddc6d26e9b40843b78b3a056c24e1bd9efc13d609f1a9ef37387789cb6994b84c7e4bd0145

Download Submit
memory/2064-0-0x0000000074171000-0x0000000074172000-memory.dmp

Filesize
4KB

Download
memory/2064-1-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2064-3-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2064-13-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-14-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-12-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-15-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-16-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads