a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e

General

Target

a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
Size

1.1MB
MD5

df3eb70752175bd0f8391f9524874fa4
SHA1

0006c5e7d2681a7d8fd5e3bafc7be27bd6a9b5f9
SHA256

a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e
SHA512

2feac4e3451c5bf6661d4d9a47827e66ef4de9781649667af2895059f29076304f684b6624ac73190ff90bf959d033cd57e3d45749ee8e3486f1391c04bbcebc
SSDEEP

24576:xf9I2Wjiv0j/yaMctr1SdWHJXLr1TO+qoDJd46:xFNWjiceCrkkpXP1fqWZ

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

mvchost.exemvchost.exe

pid process

1724 mvchost.exe
988 mvchost.exe

pid	process
1724	mvchost.exe
988	mvchost.exe

Loads dropped DLL 2 IoCs

Processes:

a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe

pid	process
1640	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
1640	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\CNS = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\mvchost.exe"	mvchost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 19 IoCs

Processes:

a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exemvchost.exe

pid	process
1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
1724	mvchost.exe
1724	mvchost.exe
1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
1724	mvchost.exe
1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
1724	mvchost.exe
1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
1724	mvchost.exe
1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
1724	mvchost.exe
1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
1724	mvchost.exe
1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
1724	mvchost.exe
1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
1724	mvchost.exe
1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exemvchost.exe

description	pid	process	target process
PID 1808 set thread context of 1640	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
PID 1724 set thread context of 988	1724	mvchost.exe	mvchost.exe

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

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

mvchost.exe

description pid process

Token: SeDebugPrivilege 988 mvchost.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exemvchost.exe

pid process

1808 a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
1724 mvchost.exe

description	pid	process
Token: SeDebugPrivilege	988	mvchost.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exea378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exemvchost.exe

description	pid	process	target process
PID 1808 wrote to memory of 760	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	splwow64.exe
PID 1808 wrote to memory of 760	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	splwow64.exe
PID 1808 wrote to memory of 760	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	splwow64.exe
PID 1808 wrote to memory of 760	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	splwow64.exe
PID 1808 wrote to memory of 1640	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
PID 1808 wrote to memory of 1640	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
PID 1808 wrote to memory of 1640	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
PID 1808 wrote to memory of 1640	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
PID 1808 wrote to memory of 1640	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
PID 1808 wrote to memory of 1640	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
PID 1808 wrote to memory of 1640	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
PID 1808 wrote to memory of 1640	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
PID 1808 wrote to memory of 1640	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
PID 1808 wrote to memory of 1640	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
PID 1808 wrote to memory of 1640	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
PID 1808 wrote to memory of 1640	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
PID 1808 wrote to memory of 1640	1808	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
PID 1640 wrote to memory of 1724	1640	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	mvchost.exe
PID 1640 wrote to memory of 1724	1640	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	mvchost.exe
PID 1640 wrote to memory of 1724	1640	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	mvchost.exe
PID 1640 wrote to memory of 1724	1640	a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe	mvchost.exe
PID 1724 wrote to memory of 988	1724	mvchost.exe	mvchost.exe
PID 1724 wrote to memory of 988	1724	mvchost.exe	mvchost.exe
PID 1724 wrote to memory of 988	1724	mvchost.exe	mvchost.exe
PID 1724 wrote to memory of 988	1724	mvchost.exe	mvchost.exe
PID 1724 wrote to memory of 988	1724	mvchost.exe	mvchost.exe
PID 1724 wrote to memory of 988	1724	mvchost.exe	mvchost.exe
PID 1724 wrote to memory of 988	1724	mvchost.exe	mvchost.exe
PID 1724 wrote to memory of 988	1724	mvchost.exe	mvchost.exe
PID 1724 wrote to memory of 988	1724	mvchost.exe	mvchost.exe
PID 1724 wrote to memory of 988	1724	mvchost.exe	mvchost.exe
PID 1724 wrote to memory of 988	1724	mvchost.exe	mvchost.exe
PID 1724 wrote to memory of 988	1724	mvchost.exe	mvchost.exe
PID 1724 wrote to memory of 988	1724	mvchost.exe	mvchost.exe

C:\Users\Admin\AppData\Local\Temp\a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
"C:\Users\Admin\AppData\Local\Temp\a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:760

C:\Users\Admin\AppData\Local\Temp\a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
C:\Users\Admin\AppData\Local\Temp\a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e.exe
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1640

C:\Users\Admin\AppData\Local\Microsoft\mvchost.exe
"C:\Users\Admin\AppData\Local\Microsoft\mvchost.exe"
3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1724

C:\Users\Admin\AppData\Local\Microsoft\mvchost.exe
C:\Users\Admin\AppData\Local\Microsoft\mvchost.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:988

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\mvchost.exe
Filesize
1.1MB

MD5
df3eb70752175bd0f8391f9524874fa4

SHA1
0006c5e7d2681a7d8fd5e3bafc7be27bd6a9b5f9

SHA256
a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e

SHA512
2feac4e3451c5bf6661d4d9a47827e66ef4de9781649667af2895059f29076304f684b6624ac73190ff90bf959d033cd57e3d45749ee8e3486f1391c04bbcebc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\mvchost.exe
Filesize
1.1MB

MD5
df3eb70752175bd0f8391f9524874fa4

SHA1
0006c5e7d2681a7d8fd5e3bafc7be27bd6a9b5f9

SHA256
a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e

SHA512
2feac4e3451c5bf6661d4d9a47827e66ef4de9781649667af2895059f29076304f684b6624ac73190ff90bf959d033cd57e3d45749ee8e3486f1391c04bbcebc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\mvchost.exe
Filesize
1.1MB

MD5
df3eb70752175bd0f8391f9524874fa4

SHA1
0006c5e7d2681a7d8fd5e3bafc7be27bd6a9b5f9

SHA256
a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e

SHA512
2feac4e3451c5bf6661d4d9a47827e66ef4de9781649667af2895059f29076304f684b6624ac73190ff90bf959d033cd57e3d45749ee8e3486f1391c04bbcebc

Download Submit
\Users\Admin\AppData\Local\Microsoft\mvchost.exe
Filesize
1.1MB

MD5
df3eb70752175bd0f8391f9524874fa4

SHA1
0006c5e7d2681a7d8fd5e3bafc7be27bd6a9b5f9

SHA256
a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e

SHA512
2feac4e3451c5bf6661d4d9a47827e66ef4de9781649667af2895059f29076304f684b6624ac73190ff90bf959d033cd57e3d45749ee8e3486f1391c04bbcebc

Download Submit
\Users\Admin\AppData\Local\Microsoft\mvchost.exe
Filesize
1.1MB

MD5
df3eb70752175bd0f8391f9524874fa4

SHA1
0006c5e7d2681a7d8fd5e3bafc7be27bd6a9b5f9

SHA256
a378103c8f8f3766e1976a46e70d4c7f5c514fa08e04ae003b670c6bc1e59a0e

SHA512
2feac4e3451c5bf6661d4d9a47827e66ef4de9781649667af2895059f29076304f684b6624ac73190ff90bf959d033cd57e3d45749ee8e3486f1391c04bbcebc

Download Submit
memory/760-58-0x0000000000000000-mapping.dmp

Download
memory/760-59-0x000007FEFC001000-0x000007FEFC003000-memory.dmp

Filesize
8KB

Download
memory/988-119-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/988-115-0x000000000041C288-mapping.dmp

Download
memory/1640-63-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1640-60-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1640-71-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1640-74-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1640-77-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1640-80-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1640-82-0x000000000041C288-mapping.dmp

Download
memory/1640-83-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1640-85-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1640-61-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1640-67-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1640-65-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1724-88-0x0000000000000000-mapping.dmp

Download
memory/1724-120-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/1724-123-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/1808-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download
memory/1808-57-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/1808-56-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/1808-55-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/1808-121-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/1808-122-0x0000000003F00000-0x00000000043B7000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads