4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf

General

Target

4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe
Size

78KB
MD5

625f18d1027b2dccb9e21640672f61c6
SHA1

00713228d5e1ae8c9fce0ae977da3d84585dec3a
SHA256

4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf
SHA512

b26313dcfe325e972b450cd630cb695274571b2a636a9beb51f43ce42039739b22d7055c4da66d8ef74fdc1e86fce641239acfd8234c8c1f985c084f7d7dfc51
SSDEEP

1536:svy5lAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9QtS639/S1PKE:4y5lAtWDDILJLovbicqOq3o+nP9/pE

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1804	tmp84BA.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1964	4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe
1964	4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmp84BA.tmp.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 4 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp84BA.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1964	4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe
Token: SeDebugPrivilege	1804	tmp84BA.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2052	1964	4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe	30
PID 1964 wrote to memory of 2052	1964	4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe	30
PID 1964 wrote to memory of 2052	1964	4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe	30
PID 1964 wrote to memory of 2052	1964	4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe	30
PID 2052 wrote to memory of 2980	2052	vbc.exe	32
PID 2052 wrote to memory of 2980	2052	vbc.exe	32
PID 2052 wrote to memory of 2980	2052	vbc.exe	32
PID 2052 wrote to memory of 2980	2052	vbc.exe	32
PID 1964 wrote to memory of 1804	1964	4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe	33
PID 1964 wrote to memory of 1804	1964	4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe	33
PID 1964 wrote to memory of 1804	1964	4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe	33
PID 1964 wrote to memory of 1804	1964	4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe	33

C:\Users\Admin\AppData\Local\Temp\4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe
"C:\Users\Admin\AppData\Local\Temp\4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\us-cstwj.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES85A5.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc8594.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2980
- C:\Users\Admin\AppData\Local\Temp\tmp84BA.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp84BA.tmp.exe" C:\Users\Admin\AppData\Local\Temp\4f3356119cda2529b5450c33cb1bfab6822641a979de1b9f97150cdad94e01bf.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\RES85A5.tmp

Filesize
1KB

MD5
6a86df2761f8e5fb0e4e4e67b6d7432a

SHA1
2c9046564bce085b5c1edbfa3c972a196ba4e17a

SHA256
5bceb7cf7dc7e6c5fe5517621603f7b1e164265bd56e245129f7ad3d982ff3de

SHA512
6c63c9ea3ad8252dd044e2d63e432cc87086fd9609106d41978a8830d7690be0d0df36c8d1e6577349d7cbc65a292eb8dc17ecb472a45eac0dafed9cf7e9333e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp84BA.tmp.exe

Filesize
78KB

MD5
ef95d4cf8a0e4e81d37fbbc8c9b05ca7

SHA1
b159fcad6beb68ab84c0fb8a3e0780938fa8bc60

SHA256
942a04d83da4425919198e20affc68d0e6c70d4c52835cff361001e5d9e59ba2

SHA512
2bb285441da27305e68da9c075b6c786bb94d8bdf58a359ea3b8f892a5ef7933137c352cc5be145632dbc7c22e967b3f2c9c526088d02a592c36033f3d86f8fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\us-cstwj.0.vb

Filesize
14KB

MD5
c8200963be4c216ef12344c473541fe9

SHA1
fb431b5a5fdfc5f95c4bb7c6a6d1ccc3d20a9b4c

SHA256
e655d2f8030b2bbed3b0414587c0ba941a4ab11b2559e04dedda26ca0ed02e06

SHA512
97aafb231cc6302a9dde496745dbe4102f28d288f11ffcc99ab15ca159100fb31cc9369478275789826d3839dfe4cbd87727cc46a59a2bdecbd2c0269c57032a

Download Submit
C:\Users\Admin\AppData\Local\Temp\us-cstwj.cmdline

Filesize
266B

MD5
ff70cf58aa5e1c269f7c6eabc04196f3

SHA1
9bab007f07c36c2a9b5f462e7dd182cdfb2733b7

SHA256
2bb9c2a9b7ac1d9e335bde9e2e5739faa4aba5562b7ba7a2d36152fc53c7db6c

SHA512
9f46b02bb7948a5fd1cab2795cf86275c09631bb22620c91b1e0a7a88a195368ba28a5d5f074a4d91f5ff5105594216df99eabda5dd09cf5377569eab05e76d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc8594.tmp

Filesize
660B

MD5
21252850552b35021e82b4c966794931

SHA1
4b8ce5b41364d54f7a9c993600100225f0d4b1ea

SHA256
d797b4fa3c69f791adad31998898b62cf8c33d91d74e9da8b042cb9c60fdac3f

SHA512
d7fb66e705afe3da1051f0ca28f92c71a4a935f6f4a75da5d7e373b9f17dc54e846cc28e7bd83f085c936cad17fb297c12e1682317e416177019129627e81e40

Download Submit
C:\Users\Admin\AppData\Local\Temp\zCom.resources

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/1964-0-0x00000000740A1000-0x00000000740A2000-memory.dmp

Filesize
4KB

Download
memory/1964-1-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/1964-2-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/1964-24-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/2052-8-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/2052-18-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads