2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49

Resubmissions

15-11-2022 10:35

221115-mmn1esce3t 10

15-03-2021 11:09

210315-zqyylb62la 8

Analysis

max time kernel
150s
max time network
142s
platform
windows7_x64
resource
win7v20201028
submitted
15-03-2021 11:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exe
Size

362KB
MD5

f1f48360f95e1b43e9fba0fec5a2afb8
SHA1

70ceb467db7b0161d22e4545479f747417b9705a
SHA256

2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49
SHA512

88d945c7a064882681670d9402fb8d07cd0653f5d6e7801d95b0a4a840be2a362ccb11baa6911b47538681705a76d633d8fad374a6f541dd3ed651f3b63ae3b8

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

mcvsmap.exemcvsmap.exe

pid process

2004 mcvsmap.exe
1536 mcvsmap.exe
Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

1864 svchost.exe

pid	process
2004	mcvsmap.exe
1536	mcvsmap.exe

Loads dropped DLL 6 IoCs

Processes:

2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exemcvsmap.exemcvsmap.exe

pid	process
1904	2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exe
1904	2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exe
1904	2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exe
1904	2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exe
2004	mcvsmap.exe
1536	mcvsmap.exe

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

System Information Discovery
T1082
Modifies data under HKEY_USERS 1 IoCs

Processes:

svchost.exe

description ioc process

Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe

Modifies registry class 2 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\FAST\CLSID = 41004500300043003100310031003100360043003700300034003800380041000000	svchost.exe
Key created	\REGISTRY\MACHINE\Software\CLASSES\FAST	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exemsiexec.exe

pid	process
1864	svchost.exe
1864	svchost.exe
1864	svchost.exe
1864	svchost.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1864	svchost.exe
1864	svchost.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1864	svchost.exe
1864	svchost.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1864	svchost.exe
1864	svchost.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1864	svchost.exe
1864	svchost.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1220	msiexec.exe
1864	svchost.exe
1864	svchost.exe
1220	msiexec.exe
1220	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

svchost.exemsiexec.exe

pid process

1864 svchost.exe
1220 msiexec.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

mcvsmap.exemcvsmap.exesvchost.exemsiexec.exe

description	pid	process
Token: SeDebugPrivilege	2004	mcvsmap.exe
Token: SeTcbPrivilege	2004	mcvsmap.exe
Token: SeDebugPrivilege	1536	mcvsmap.exe
Token: SeTcbPrivilege	1536	mcvsmap.exe
Token: SeDebugPrivilege	1864	svchost.exe
Token: SeTcbPrivilege	1864	svchost.exe
Token: SeDebugPrivilege	1220	msiexec.exe
Token: SeTcbPrivilege	1220	msiexec.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exemcvsmap.exesvchost.exe

description	pid	process	target process
PID 1904 wrote to memory of 2004	1904	2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exe	mcvsmap.exe
PID 1904 wrote to memory of 2004	1904	2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exe	mcvsmap.exe
PID 1904 wrote to memory of 2004	1904	2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exe	mcvsmap.exe
PID 1904 wrote to memory of 2004	1904	2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exe	mcvsmap.exe
PID 1904 wrote to memory of 2004	1904	2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exe	mcvsmap.exe
PID 1904 wrote to memory of 2004	1904	2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exe	mcvsmap.exe
PID 1904 wrote to memory of 2004	1904	2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exe	mcvsmap.exe
PID 1536 wrote to memory of 1864	1536	mcvsmap.exe	svchost.exe
PID 1536 wrote to memory of 1864	1536	mcvsmap.exe	svchost.exe
PID 1536 wrote to memory of 1864	1536	mcvsmap.exe	svchost.exe
PID 1536 wrote to memory of 1864	1536	mcvsmap.exe	svchost.exe
PID 1536 wrote to memory of 1864	1536	mcvsmap.exe	svchost.exe
PID 1536 wrote to memory of 1864	1536	mcvsmap.exe	svchost.exe
PID 1536 wrote to memory of 1864	1536	mcvsmap.exe	svchost.exe
PID 1536 wrote to memory of 1864	1536	mcvsmap.exe	svchost.exe
PID 1536 wrote to memory of 1864	1536	mcvsmap.exe	svchost.exe
PID 1864 wrote to memory of 1220	1864	svchost.exe	msiexec.exe
PID 1864 wrote to memory of 1220	1864	svchost.exe	msiexec.exe
PID 1864 wrote to memory of 1220	1864	svchost.exe	msiexec.exe
PID 1864 wrote to memory of 1220	1864	svchost.exe	msiexec.exe
PID 1864 wrote to memory of 1220	1864	svchost.exe	msiexec.exe
PID 1864 wrote to memory of 1220	1864	svchost.exe	msiexec.exe
PID 1864 wrote to memory of 1220	1864	svchost.exe	msiexec.exe
PID 1864 wrote to memory of 1220	1864	svchost.exe	msiexec.exe
PID 1864 wrote to memory of 1220	1864	svchost.exe	msiexec.exe
PID 1864 wrote to memory of 1220	1864	svchost.exe	msiexec.exe
PID 1864 wrote to memory of 1220	1864	svchost.exe	msiexec.exe
PID 1864 wrote to memory of 1220	1864	svchost.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exe
"C:\Users\Admin\AppData\Local\Temp\2bc5ce39dd9afe2157448d3f6d8cb9c549ed39543d159616e38480b9e6c11c49.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1904

C:\Users\Admin\AppData\Local\Temp\RarSFX0\mcvsmap.exe
"C:\Users\Admin\AppData\Local\Temp\RarSFX0\mcvsmap.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:2004

C:\ProgramData\VirusMap\mcvsmap.exe
C:\ProgramData\VirusMap\mcvsmap.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1536

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe 201 0
2⤵
- Deletes itself
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1864

C:\Windows\SysWOW64\msiexec.exe
C:\Windows\system32\msiexec.exe 209 1864
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1220

Network

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

Loading Replay Monitor...

Downloads

C:\ProgramData\SxS\bug.log
MD5
44e5d1960da50dd3d134f84772cd1372

SHA1
2ec9741fc9072c79ab016af5455112b43615d0d2

SHA256
37b3533bdca4b2b99bde2fd089f89f8e5755deaa8dab678f58e45a4503cc6144

SHA512
57fa7896cfffd6a6547132c40deb877871732597cf326f747caf1001a7aab573aac5bd4342b720ac8eacc4bd56455505df51e3c8a0ce0b9dc30d55adf078d2ee

Download Submit
C:\ProgramData\SxS\bug.log
MD5
f69fbd7296a0be733d363cde2162fcfd

SHA1
8228ba462bad81cfd4fa2c3cd4b2099d03022846

SHA256
fc964e17f05359c4caecbb435184b1778cc287fed310512836831a6138f36ca3

SHA512
71245c1015b83329bb33075c799db61bb331a9c69f4bf250550741276b12c1f79063af63c3c7974200611475e414eb660dff9111650c70cd52e1528414a445bd

Download Submit
C:\ProgramData\VirusMap\McUtil.dll
MD5
ad4a646b38a482cc07d5b09b4fffd3b3

SHA1
ae0f9bf2740d00c5d485827eb32aca33feaa3a90

SHA256
0a99238e1ebebc47d7a89b2ccddfae537479f7f77322b5d4941315d3f7e5ca48

SHA512
0a09420c939f71c26fabdc5a036e8e98413e6dbb70552a6b0a277abcf0cd1dcc8f2950631909bdddad97049d80312a4eeada6a1952dd51ebc9d5b38eb50866a1

Download Submit
C:\ProgramData\VirusMap\McUtil.dll.PPT
MD5
545bb4365a9b7cdb6d22844ebeedda93

SHA1
a267f1183b4ff843d68a63264846abf78cc71d1f

SHA256
d4fe890a08d4dd44b58a3b85b2a7e89536338099c1c42a9b7e85f4007b0a37b7

SHA512
b9c066f0166e8acbad1e822df8af6d69c7e23da33ff8b8bde9986222193e2be3d269866ec02a784e61d9cd160a8c5c299e04f9ab0981222521d4bb38f29b8e16

Download Submit
C:\ProgramData\VirusMap\mcvsmap.exe
MD5
4e1e0b8b0673937415599bf2f24c44ad

SHA1
9224de3af2a246011c6294f64f27206d165317ba

SHA256
ae16e10e621d6610a3f7f2c7122f9d1263700ba02d1b90e42798decb2fe84096

SHA512
87f4407045f2213ecc76fb73e6b717ffc503e0c042be118965a139e7178fdcc2ff02fe0904cde3102679c4a74d09224e24f64dbd9faa609e06a6ce2fcda0ab5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\McUtil.dll
MD5
ad4a646b38a482cc07d5b09b4fffd3b3

SHA1
ae0f9bf2740d00c5d485827eb32aca33feaa3a90

SHA256
0a99238e1ebebc47d7a89b2ccddfae537479f7f77322b5d4941315d3f7e5ca48

SHA512
0a09420c939f71c26fabdc5a036e8e98413e6dbb70552a6b0a277abcf0cd1dcc8f2950631909bdddad97049d80312a4eeada6a1952dd51ebc9d5b38eb50866a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\McUtil.dll.PPT
MD5
545bb4365a9b7cdb6d22844ebeedda93

SHA1
a267f1183b4ff843d68a63264846abf78cc71d1f

SHA256
d4fe890a08d4dd44b58a3b85b2a7e89536338099c1c42a9b7e85f4007b0a37b7

SHA512
b9c066f0166e8acbad1e822df8af6d69c7e23da33ff8b8bde9986222193e2be3d269866ec02a784e61d9cd160a8c5c299e04f9ab0981222521d4bb38f29b8e16

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\mcvsmap.exe
MD5
4e1e0b8b0673937415599bf2f24c44ad

SHA1
9224de3af2a246011c6294f64f27206d165317ba

SHA256
ae16e10e621d6610a3f7f2c7122f9d1263700ba02d1b90e42798decb2fe84096

SHA512
87f4407045f2213ecc76fb73e6b717ffc503e0c042be118965a139e7178fdcc2ff02fe0904cde3102679c4a74d09224e24f64dbd9faa609e06a6ce2fcda0ab5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\mcvsmap.exe
MD5
4e1e0b8b0673937415599bf2f24c44ad

SHA1
9224de3af2a246011c6294f64f27206d165317ba

SHA256
ae16e10e621d6610a3f7f2c7122f9d1263700ba02d1b90e42798decb2fe84096

SHA512
87f4407045f2213ecc76fb73e6b717ffc503e0c042be118965a139e7178fdcc2ff02fe0904cde3102679c4a74d09224e24f64dbd9faa609e06a6ce2fcda0ab5d

Download Submit
\ProgramData\VirusMap\McUtil.DLL
MD5
ad4a646b38a482cc07d5b09b4fffd3b3

SHA1
ae0f9bf2740d00c5d485827eb32aca33feaa3a90

SHA256
0a99238e1ebebc47d7a89b2ccddfae537479f7f77322b5d4941315d3f7e5ca48

SHA512
0a09420c939f71c26fabdc5a036e8e98413e6dbb70552a6b0a277abcf0cd1dcc8f2950631909bdddad97049d80312a4eeada6a1952dd51ebc9d5b38eb50866a1

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\McUtil.DLL
MD5
ad4a646b38a482cc07d5b09b4fffd3b3

SHA1
ae0f9bf2740d00c5d485827eb32aca33feaa3a90

SHA256
0a99238e1ebebc47d7a89b2ccddfae537479f7f77322b5d4941315d3f7e5ca48

SHA512
0a09420c939f71c26fabdc5a036e8e98413e6dbb70552a6b0a277abcf0cd1dcc8f2950631909bdddad97049d80312a4eeada6a1952dd51ebc9d5b38eb50866a1

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\mcvsmap.exe
MD5
4e1e0b8b0673937415599bf2f24c44ad

SHA1
9224de3af2a246011c6294f64f27206d165317ba

SHA256
ae16e10e621d6610a3f7f2c7122f9d1263700ba02d1b90e42798decb2fe84096

SHA512
87f4407045f2213ecc76fb73e6b717ffc503e0c042be118965a139e7178fdcc2ff02fe0904cde3102679c4a74d09224e24f64dbd9faa609e06a6ce2fcda0ab5d

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\mcvsmap.exe
MD5
4e1e0b8b0673937415599bf2f24c44ad

SHA1
9224de3af2a246011c6294f64f27206d165317ba

SHA256
ae16e10e621d6610a3f7f2c7122f9d1263700ba02d1b90e42798decb2fe84096

SHA512
87f4407045f2213ecc76fb73e6b717ffc503e0c042be118965a139e7178fdcc2ff02fe0904cde3102679c4a74d09224e24f64dbd9faa609e06a6ce2fcda0ab5d

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\mcvsmap.exe
MD5
4e1e0b8b0673937415599bf2f24c44ad

SHA1
9224de3af2a246011c6294f64f27206d165317ba

SHA256
ae16e10e621d6610a3f7f2c7122f9d1263700ba02d1b90e42798decb2fe84096

SHA512
87f4407045f2213ecc76fb73e6b717ffc503e0c042be118965a139e7178fdcc2ff02fe0904cde3102679c4a74d09224e24f64dbd9faa609e06a6ce2fcda0ab5d

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\mcvsmap.exe
MD5
4e1e0b8b0673937415599bf2f24c44ad

SHA1
9224de3af2a246011c6294f64f27206d165317ba

SHA256
ae16e10e621d6610a3f7f2c7122f9d1263700ba02d1b90e42798decb2fe84096

SHA512
87f4407045f2213ecc76fb73e6b717ffc503e0c042be118965a139e7178fdcc2ff02fe0904cde3102679c4a74d09224e24f64dbd9faa609e06a6ce2fcda0ab5d

Download Submit
memory/1220-31-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/1220-32-0x0000000000470000-0x00000000004A1000-memory.dmp

Filesize
196KB

Download
memory/1220-29-0x0000000000000000-mapping.dmp

Download
memory/1536-25-0x00000000003C0000-0x00000000003F1000-memory.dmp

Filesize
196KB

Download
memory/1864-27-0x0000000000280000-0x00000000002B1000-memory.dmp

Filesize
196KB

Download
memory/1864-26-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1864-19-0x0000000000000000-mapping.dmp

Download
memory/1904-2-0x00000000766F1000-0x00000000766F3000-memory.dmp

Filesize
8KB

Download
memory/2004-23-0x0000000000480000-0x00000000004B1000-memory.dmp

Filesize
196KB

Download
memory/2004-22-0x0000000001D30000-0x0000000001E30000-memory.dmp

Filesize
1024KB

Download
memory/2004-7-0x0000000000000000-mapping.dmp

Download