4a1125f52eb460597d912fb581a078013e97c6d9515bcbf2f63a85603662b6c9

Analysis

max time kernel
41s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 13:56

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General

Target

4a1125f52eb460597d912fb581a078013e97c6d9515bcbf2f63a85603662b6c9.exe
Size

101KB
MD5

d48e3c2058035bc083d90bb7685fe09f
SHA1

bd14f31338cacf23586c65d7ce35fe3fe7f5968a
SHA256

4a1125f52eb460597d912fb581a078013e97c6d9515bcbf2f63a85603662b6c9
SHA512

185fe4121a0c78bc21e3fe57f03b3bfd11d47ab4a86475015633668294bb4eb4a8beb9c89839e2b75433d4f327bcfe94596e89989fee442064a6d3bad783aef8
SSDEEP

1536:9QxqcQu0XPmEmEcYUpEjCTfaAIW1EvqTlrxtPpFAXF9N/6Sy:y/03mEcppEjCTfaAIWSqTlrbPLEz4

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

6tyF9B.exe6tyF9B.exe

pid process

1948 6tyF9B.exe
2012 6tyF9B.exe

pid	process
1948	6tyF9B.exe
2012	6tyF9B.exe

Loads dropped DLL 8 IoCs

Processes:

4a1125f52eb460597d912fb581a078013e97c6d9515bcbf2f63a85603662b6c9.exe6tyF9B.exeWerFault.exe

pid	process
832	4a1125f52eb460597d912fb581a078013e97c6d9515bcbf2f63a85603662b6c9.exe
832	4a1125f52eb460597d912fb581a078013e97c6d9515bcbf2f63a85603662b6c9.exe
1948	6tyF9B.exe
1372	WerFault.exe
1372	WerFault.exe
1372	WerFault.exe
1372	WerFault.exe
1372	WerFault.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

6tyF9B.exe

description pid process target process

PID 1948 set thread context of 2012 1948 6tyF9B.exe 6tyF9B.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1372 2012 WerFault.exe 6tyF9B.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

DllHost.exe

pid process

2036 DllHost.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

6tyF9B.exe

pid process

1948 6tyF9B.exe

description	pid	process	target process
PID 1948 set thread context of 2012	1948	6tyF9B.exe	6tyF9B.exe

pid	pid_target	process	target process
1372	2012	WerFault.exe	6tyF9B.exe

pid	process
2036	DllHost.exe

pid	process
1948	6tyF9B.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

4a1125f52eb460597d912fb581a078013e97c6d9515bcbf2f63a85603662b6c9.exe6tyF9B.exe6tyF9B.exe

description	pid	process	target process
PID 832 wrote to memory of 1948	832	4a1125f52eb460597d912fb581a078013e97c6d9515bcbf2f63a85603662b6c9.exe	6tyF9B.exe
PID 832 wrote to memory of 1948	832	4a1125f52eb460597d912fb581a078013e97c6d9515bcbf2f63a85603662b6c9.exe	6tyF9B.exe
PID 832 wrote to memory of 1948	832	4a1125f52eb460597d912fb581a078013e97c6d9515bcbf2f63a85603662b6c9.exe	6tyF9B.exe
PID 832 wrote to memory of 1948	832	4a1125f52eb460597d912fb581a078013e97c6d9515bcbf2f63a85603662b6c9.exe	6tyF9B.exe
PID 1948 wrote to memory of 2012	1948	6tyF9B.exe	6tyF9B.exe
PID 1948 wrote to memory of 2012	1948	6tyF9B.exe	6tyF9B.exe
PID 1948 wrote to memory of 2012	1948	6tyF9B.exe	6tyF9B.exe
PID 1948 wrote to memory of 2012	1948	6tyF9B.exe	6tyF9B.exe
PID 1948 wrote to memory of 2012	1948	6tyF9B.exe	6tyF9B.exe
PID 1948 wrote to memory of 2012	1948	6tyF9B.exe	6tyF9B.exe
PID 1948 wrote to memory of 2012	1948	6tyF9B.exe	6tyF9B.exe
PID 1948 wrote to memory of 2012	1948	6tyF9B.exe	6tyF9B.exe
PID 1948 wrote to memory of 2012	1948	6tyF9B.exe	6tyF9B.exe
PID 1948 wrote to memory of 2012	1948	6tyF9B.exe	6tyF9B.exe
PID 2012 wrote to memory of 1372	2012	6tyF9B.exe	WerFault.exe
PID 2012 wrote to memory of 1372	2012	6tyF9B.exe	WerFault.exe
PID 2012 wrote to memory of 1372	2012	6tyF9B.exe	WerFault.exe
PID 2012 wrote to memory of 1372	2012	6tyF9B.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\4a1125f52eb460597d912fb581a078013e97c6d9515bcbf2f63a85603662b6c9.exe
"C:\Users\Admin\AppData\Local\Temp\4a1125f52eb460597d912fb581a078013e97c6d9515bcbf2f63a85603662b6c9.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:832

C:\Users\Admin\AppData\Local\Temp\6tyF9B.exe
"C:\Users\Admin\AppData\Local\Temp\6tyF9B.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948

C:\Users\Admin\AppData\Local\Temp\6tyF9B.exe
"C:\Users\Admin\AppData\Local\Temp\6tyF9B.exe"
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 96
4⤵
- Loads dropped DLL
- Program crash
PID:1372

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:2036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\6ty10D4.jpg

Filesize
3KB

MD5
d101d07ba61bc6990aac73a0cdd67f4f

SHA1
aff942e16e1e952f57cd7e51dc3219f7f7812390

SHA256
5b01fe09d445ec0e38b1db3443dd7013bfc2b871fae69a5c0e978fc58b560c05

SHA512
9cb17efd8bb5c870ebf7c70870a803a8d7f775596d86165ea2dff0d42f1fa775eef407cd333ee91f866c64074fb82f3e19a1c93a56114a8fc2967e72e88f285b

Download Submit
C:\Users\Admin\AppData\Local\Temp\6tyF9B.exe

Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
C:\Users\Admin\AppData\Local\Temp\6tyF9B.exe

Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
C:\Users\Admin\AppData\Local\Temp\6tyF9B.exe

Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyF9B.exe

Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyF9B.exe

Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyF9B.exe

Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyF9B.exe

Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyF9B.exe

Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyF9B.exe

Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyF9B.exe

Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyF9B.exe

Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
memory/832-54-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/1372-84-0x0000000000000000-mapping.dmp

Download
memory/1948-57-0x0000000000000000-mapping.dmp

Download
memory/2012-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-79-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-82-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-83-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-81-0x0000000000410000-0x0000000000412000-memory.dmp

Filesize
8KB

Download
memory/2012-78-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-76-0x00000000004102A0-mapping.dmp

Download
memory/2012-74-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-72-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-90-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download