a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f

General

Target

a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f.exe
Size

880KB
MD5

dc993f2bde7c48504df0a30ed3095b4a
SHA1

a9f030695570274d680c187a133473812e277de4
SHA256

a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f
SHA512

ed82e1fb3aa02b4c633ece17bbe2a5b419e1e7d63abbff662806d62b3d4d8336244f1669938f3459c72d82682c9e56a18da3000453db85b1b3934beaaf003760
SSDEEP

6144:WmERrvsi0oAtnm2cbNrQXL5hevs8OwYP6PG2hTSk9FKrcSPCXiM8kWUXqTlr3fFo:WmSitm2cRg2R9F+cUBYIiYV9XBcZ

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

MFMKD.exe

pid process

4776 MFMKD.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

MFMKD.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation MFMKD.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

3028 4776 WerFault.exe MFMKD.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3640 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2444 timeout.exe

pid	process
4776	MFMKD.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	MFMKD.exe

pid	pid_target	process	target process
3028	4776	WerFault.exe	MFMKD.exe

pid	process
3640	schtasks.exe

pid	process
2444	timeout.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exeMFMKD.exe

pid	process
4320	powershell.exe
4320	powershell.exe
4752	powershell.exe
4752	powershell.exe
4072	powershell.exe
1044	powershell.exe
1044	powershell.exe
4072	powershell.exe
4776	MFMKD.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f.exepowershell.exepowershell.exeMFMKD.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3524	a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f.exe
Token: SeDebugPrivilege	4320	powershell.exe
Token: SeDebugPrivilege	4752	powershell.exe
Token: SeDebugPrivilege	4776	MFMKD.exe
Token: SeDebugPrivilege	4072	powershell.exe
Token: SeDebugPrivilege	1044	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f.execmd.exeMFMKD.execmd.exe

description	pid	process	target process
PID 3524 wrote to memory of 4320	3524	a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f.exe	powershell.exe
PID 3524 wrote to memory of 4320	3524	a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f.exe	powershell.exe
PID 3524 wrote to memory of 4752	3524	a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f.exe	powershell.exe
PID 3524 wrote to memory of 4752	3524	a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f.exe	powershell.exe
PID 3524 wrote to memory of 2200	3524	a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f.exe	cmd.exe
PID 3524 wrote to memory of 2200	3524	a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f.exe	cmd.exe
PID 2200 wrote to memory of 2444	2200	cmd.exe	timeout.exe
PID 2200 wrote to memory of 2444	2200	cmd.exe	timeout.exe
PID 2200 wrote to memory of 4776	2200	cmd.exe	MFMKD.exe
PID 2200 wrote to memory of 4776	2200	cmd.exe	MFMKD.exe
PID 4776 wrote to memory of 4072	4776	MFMKD.exe	powershell.exe
PID 4776 wrote to memory of 4072	4776	MFMKD.exe	powershell.exe
PID 4776 wrote to memory of 1044	4776	MFMKD.exe	powershell.exe
PID 4776 wrote to memory of 1044	4776	MFMKD.exe	powershell.exe
PID 4776 wrote to memory of 4580	4776	MFMKD.exe	cmd.exe
PID 4776 wrote to memory of 4580	4776	MFMKD.exe	cmd.exe
PID 4580 wrote to memory of 3640	4580	cmd.exe	schtasks.exe
PID 4580 wrote to memory of 3640	4580	cmd.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f.exe
"C:\Users\Admin\AppData\Local\Temp\a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3524

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4320

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4752

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6B51.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:2200

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:2444

C:\ProgramData\APPDATA\MFMKD.exe
"C:\ProgramData\APPDATA\MFMKD.exe"
3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4776

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4072

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1044

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "MFMKD" /tr "C:\ProgramData\APPDATA\MFMKD.exe"
4⤵
- Suspicious use of WriteProcessMemory
PID:4580

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "MFMKD" /tr "C:\ProgramData\APPDATA\MFMKD.exe"
5⤵
- Creates scheduled task(s)
PID:3640

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4776 -s 2140
4⤵
- Program crash
PID:3028

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 420 -p 4776 -ip 4776
1⤵
PID:3620

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\APPDATA\MFMKD.exe
Filesize
880KB

MD5
dc993f2bde7c48504df0a30ed3095b4a

SHA1
a9f030695570274d680c187a133473812e277de4

SHA256
a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f

SHA512
ed82e1fb3aa02b4c633ece17bbe2a5b419e1e7d63abbff662806d62b3d4d8336244f1669938f3459c72d82682c9e56a18da3000453db85b1b3934beaaf003760

Download Submit
C:\ProgramData\APPDATA\MFMKD.exe
Filesize
880KB

MD5
dc993f2bde7c48504df0a30ed3095b4a

SHA1
a9f030695570274d680c187a133473812e277de4

SHA256
a53f236cc47d299313d491db76261e2f3ac83b0bc0f469175a6591830836281f

SHA512
ed82e1fb3aa02b4c633ece17bbe2a5b419e1e7d63abbff662806d62b3d4d8336244f1669938f3459c72d82682c9e56a18da3000453db85b1b3934beaaf003760

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
10890cda4b6eab618e926c4118ab0647

SHA1
1e1d63b73a0e6c7575f458b3c7917a9ce5ba776d

SHA256
00f8a035324d39bd62e6dee5e1b480069015471c487ebee4479e6990ea9ddb14

SHA512
a2ee84006c24a36f25e0bca0772430d64e3791f233da916aecdeae6712763e77d55bbbd00dc8f6b2b3887f3c26ab3980b96c5f46cc823e81e28abbbc5fc78221

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6B51.tmp.bat
Filesize
141B

MD5
941992af18047b213934e5d30a1b2d5d

SHA1
4c90c469d82a9c624e2534506461b1a0ce8c78fe

SHA256
5f020de55072c24981ffabd5b64b8e7646ff9bb0c009f7564da04105f78f0a35

SHA512
0bdc75c64289d88e557996a13ea7852f076364eb93bd5a20ebc54fd8ea1cf1c7569d13ac9a5fdb70316b0be8aba2f2c9832d12d1ff3258481cfacb992dc9c2bb

Download Submit
memory/1044-148-0x0000000000000000-mapping.dmp

Download
memory/1044-156-0x00007FF963CA0000-0x00007FF964761000-memory.dmp

Filesize
10.8MB

Download
memory/1044-151-0x00007FF963CA0000-0x00007FF964761000-memory.dmp

Filesize
10.8MB

Download
memory/2200-135-0x0000000000000000-mapping.dmp

Download
memory/2444-138-0x0000000000000000-mapping.dmp

Download
memory/3524-142-0x00007FF963CA0000-0x00007FF964761000-memory.dmp

Filesize
10.8MB

Download
memory/3524-132-0x0000000000150000-0x0000000000230000-memory.dmp

Filesize
896KB

Download
memory/3640-154-0x0000000000000000-mapping.dmp

Download
memory/4072-150-0x00007FF963CA0000-0x00007FF964761000-memory.dmp

Filesize
10.8MB

Download
memory/4072-157-0x00007FF963CA0000-0x00007FF964761000-memory.dmp

Filesize
10.8MB

Download
memory/4072-147-0x0000000000000000-mapping.dmp

Download
memory/4320-137-0x0000014382400000-0x0000014382422000-memory.dmp

Filesize
136KB

Download
memory/4320-141-0x00007FF963CA0000-0x00007FF964761000-memory.dmp

Filesize
10.8MB

Download
memory/4320-133-0x0000000000000000-mapping.dmp

Download
memory/4320-158-0x00007FF963CA0000-0x00007FF964761000-memory.dmp

Filesize
10.8MB

Download
memory/4580-152-0x0000000000000000-mapping.dmp

Download
memory/4752-143-0x00007FF963CA0000-0x00007FF964761000-memory.dmp

Filesize
10.8MB

Download
memory/4752-134-0x0000000000000000-mapping.dmp

Download
memory/4776-149-0x00007FF963CA0000-0x00007FF964761000-memory.dmp

Filesize
10.8MB

Download
memory/4776-144-0x0000000000000000-mapping.dmp

Download
memory/4776-159-0x00007FF963CA0000-0x00007FF964761000-memory.dmp

Filesize
10.8MB

Download
memory/4776-160-0x00007FF963CA0000-0x00007FF964761000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads