2d31b641508b195873f092d1dc4ae00b4660882549f0a2e484c863495845039d

Analysis

max time kernel
252s
max time network
336s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 11:01

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General

Target

2d31b641508b195873f092d1dc4ae00b4660882549f0a2e484c863495845039d.exe
Size

98KB
MD5

c47084affdc6747ac556343024a6148d
SHA1

90ac3dbc690723e92f77baf14db5e5729f794852
SHA256

2d31b641508b195873f092d1dc4ae00b4660882549f0a2e484c863495845039d
SHA512

f1002e26f84e7d3f53966772478e9bd3792b36ac6d631e04e4ef9fe58b040fd566f88f107aac5477c9c0c7d5e5d30a35e164fc988c2fcd5b94ad5e8e4f0720fa
SSDEEP

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

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

6tyFC3B.exe6tyFC3B.exe

pid process

1768 6tyFC3B.exe
684 6tyFC3B.exe

pid	process
1768	6tyFC3B.exe
684	6tyFC3B.exe

Loads dropped DLL 8 IoCs

Processes:

2d31b641508b195873f092d1dc4ae00b4660882549f0a2e484c863495845039d.exe6tyFC3B.exeWerFault.exe

pid	process
620	2d31b641508b195873f092d1dc4ae00b4660882549f0a2e484c863495845039d.exe
620	2d31b641508b195873f092d1dc4ae00b4660882549f0a2e484c863495845039d.exe
1768	6tyFC3B.exe
1556	WerFault.exe
1556	WerFault.exe
1556	WerFault.exe
1556	WerFault.exe
1556	WerFault.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

6tyFC3B.exe

description pid process target process

PID 1768 set thread context of 684 1768 6tyFC3B.exe 6tyFC3B.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

1556 684 WerFault.exe 6tyFC3B.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

DllHost.exe

pid process

772 DllHost.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

6tyFC3B.exe

pid process

1768 6tyFC3B.exe

description	pid	process	target process
PID 1768 set thread context of 684	1768	6tyFC3B.exe	6tyFC3B.exe

pid	pid_target	process	target process
1556	684	WerFault.exe	6tyFC3B.exe

pid	process
772	DllHost.exe

pid	process
1768	6tyFC3B.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

2d31b641508b195873f092d1dc4ae00b4660882549f0a2e484c863495845039d.exe6tyFC3B.exe6tyFC3B.exe

description	pid	process	target process
PID 620 wrote to memory of 1768	620	2d31b641508b195873f092d1dc4ae00b4660882549f0a2e484c863495845039d.exe	6tyFC3B.exe
PID 620 wrote to memory of 1768	620	2d31b641508b195873f092d1dc4ae00b4660882549f0a2e484c863495845039d.exe	6tyFC3B.exe
PID 620 wrote to memory of 1768	620	2d31b641508b195873f092d1dc4ae00b4660882549f0a2e484c863495845039d.exe	6tyFC3B.exe
PID 620 wrote to memory of 1768	620	2d31b641508b195873f092d1dc4ae00b4660882549f0a2e484c863495845039d.exe	6tyFC3B.exe
PID 1768 wrote to memory of 684	1768	6tyFC3B.exe	6tyFC3B.exe
PID 1768 wrote to memory of 684	1768	6tyFC3B.exe	6tyFC3B.exe
PID 1768 wrote to memory of 684	1768	6tyFC3B.exe	6tyFC3B.exe
PID 1768 wrote to memory of 684	1768	6tyFC3B.exe	6tyFC3B.exe
PID 1768 wrote to memory of 684	1768	6tyFC3B.exe	6tyFC3B.exe
PID 1768 wrote to memory of 684	1768	6tyFC3B.exe	6tyFC3B.exe
PID 1768 wrote to memory of 684	1768	6tyFC3B.exe	6tyFC3B.exe
PID 1768 wrote to memory of 684	1768	6tyFC3B.exe	6tyFC3B.exe
PID 1768 wrote to memory of 684	1768	6tyFC3B.exe	6tyFC3B.exe
PID 1768 wrote to memory of 684	1768	6tyFC3B.exe	6tyFC3B.exe
PID 684 wrote to memory of 1556	684	6tyFC3B.exe	WerFault.exe
PID 684 wrote to memory of 1556	684	6tyFC3B.exe	WerFault.exe
PID 684 wrote to memory of 1556	684	6tyFC3B.exe	WerFault.exe
PID 684 wrote to memory of 1556	684	6tyFC3B.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\2d31b641508b195873f092d1dc4ae00b4660882549f0a2e484c863495845039d.exe
"C:\Users\Admin\AppData\Local\Temp\2d31b641508b195873f092d1dc4ae00b4660882549f0a2e484c863495845039d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:620

C:\Users\Admin\AppData\Local\Temp\6tyFC3B.exe
"C:\Users\Admin\AppData\Local\Temp\6tyFC3B.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1768

C:\Users\Admin\AppData\Local\Temp\6tyFC3B.exe
"C:\Users\Admin\AppData\Local\Temp\6tyFC3B.exe"
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 684 -s 96
4⤵
- Loads dropped DLL
- Program crash
PID:1556

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:772

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\6ty20BC.jpg
Filesize
3KB

MD5
d101d07ba61bc6990aac73a0cdd67f4f

SHA1
aff942e16e1e952f57cd7e51dc3219f7f7812390

SHA256
5b01fe09d445ec0e38b1db3443dd7013bfc2b871fae69a5c0e978fc58b560c05

SHA512
9cb17efd8bb5c870ebf7c70870a803a8d7f775596d86165ea2dff0d42f1fa775eef407cd333ee91f866c64074fb82f3e19a1c93a56114a8fc2967e72e88f285b

Download Submit
C:\Users\Admin\AppData\Local\Temp\6tyFC3B.exe
Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
C:\Users\Admin\AppData\Local\Temp\6tyFC3B.exe
Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
C:\Users\Admin\AppData\Local\Temp\6tyFC3B.exe
Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyFC3B.exe
Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyFC3B.exe
Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyFC3B.exe
Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyFC3B.exe
Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyFC3B.exe
Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyFC3B.exe
Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyFC3B.exe
Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
\Users\Admin\AppData\Local\Temp\6tyFC3B.exe
Filesize
74KB

MD5
5b1a85d948bd7a075ebd0df2296ae9d5

SHA1
2b7cab4c68ca6c0fa28b360f9eb4673e7b075a24

SHA256
8cfb09392dd6cf7042c9aa9c98fbc9ef5969441d9cbf9d142fd5cbb9d70cd121

SHA512
46f05ba3117297faab0a7279d0791fd2e1daebcf9dbcbffaa17c2ee34ac3a68b4b8a40d4d73431a9da7e4a4c293aaf7a9f4bde2d4c93aa4f883c57fb6b2c0575

Download Submit
memory/620-54-0x0000000075491000-0x0000000075493000-memory.dmp

Filesize
8KB

Download
memory/684-75-0x00000000004102A0-mapping.dmp

Download
memory/684-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/684-77-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/684-79-0x0000000000410000-0x0000000000412000-memory.dmp

Filesize
8KB

Download
memory/684-78-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/684-80-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/684-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/684-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/684-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/684-73-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/684-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1556-81-0x0000000000000000-mapping.dmp

Download
memory/1768-57-0x0000000000000000-mapping.dmp

Download