8dc33fa00c5081233fa79e35c7de7bb9769e280f245401dbede7a7d02969b0ba

General

Target

$TEMP/Minsteryard.exe
Size

3.7MB
MD5

1ad3029c8d2a4757628b99efc75a87ef
SHA1

3a6164f653bc11c303c98716764c443fe651b6e8
SHA256

9b7b1e2944d31e405a7d72a08ecf193f509ff52e5670f6813be986ac9ff65ecc
SHA512

f097481515d99e7ddf11fbd09c004c5286e3857fb1fb2c9305a4e491611690f4cf61303654802545a9259762fc1ba18845185ac651d06cdbf83db19133cf0bbe
SSDEEP

98304:beGWFH8Yi0OaTH238L6O2vteL8vxzxBe7SIMg+W:OcV0OE238GOZLK3JNg+W

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2708	powershell.exe
2952	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
560	svchost.exe
2104	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2684	taskeng.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\WindowsPro\svchost.exe	Minsteryard.exe
File created	C:\Windows\system32\WindowsPro\svchost.exe	Minsteryard.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2248	Minsteryard.exe
2708	powershell.exe
2952	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	Minsteryard.exe
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeDebugPrivilege	2952	powershell.exe
Token: SeDebugPrivilege	560	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2648	2248	Minsteryard.exe	30
PID 2248 wrote to memory of 2648	2248	Minsteryard.exe	30
PID 2248 wrote to memory of 2648	2248	Minsteryard.exe	30
PID 2248 wrote to memory of 2692	2248	Minsteryard.exe	32
PID 2248 wrote to memory of 2692	2248	Minsteryard.exe	32
PID 2248 wrote to memory of 2692	2248	Minsteryard.exe	32
PID 2648 wrote to memory of 2708	2648	cmd.exe	33
PID 2648 wrote to memory of 2708	2648	cmd.exe	33
PID 2648 wrote to memory of 2708	2648	cmd.exe	33
PID 2648 wrote to memory of 2952	2648	cmd.exe	35
PID 2648 wrote to memory of 2952	2648	cmd.exe	35
PID 2648 wrote to memory of 2952	2648	cmd.exe	35
PID 2684 wrote to memory of 560	2684	taskeng.exe	37
PID 2684 wrote to memory of 560	2684	taskeng.exe	37
PID 2684 wrote to memory of 560	2684	taskeng.exe	37
PID 2684 wrote to memory of 2104	2684	taskeng.exe	38
PID 2684 wrote to memory of 2104	2684	taskeng.exe	38
PID 2684 wrote to memory of 2104	2684	taskeng.exe	38

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\$TEMP\Minsteryard.exe
"C:\Users\Admin\AppData\Local\Temp\$TEMP\Minsteryard.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\system32\cmd.exe
  "cmd" #cmd /c powershell -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force" & powershell -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2708
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2952
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /f /sc minute /rl highest /mo 1 /tn "Panaesthesia" /tr "C:\Windows\system32\WindowsPro\svchost.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2692

C:\Windows\system32\taskeng.exe
taskeng.exe {54F5F3B3-D92F-4F1C-BC18-7F9A902070E4} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\system32\WindowsPro\svchost.exe
  C:\Windows\system32\WindowsPro\svchost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:560
- C:\Windows\system32\WindowsPro\svchost.exe
  C:\Windows\system32\WindowsPro\svchost.exe
  2⤵
  - Executes dropped EXE
  PID:2104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
fa8f4ca6904b6da8e179606fce30c75a

SHA1
688fc1f20f3713e4df3b7ccb83ad18b5b69858f2

SHA256
14255942d8b2221c4203ebddfc11923181f956d5f079cd55960049267cea83b6

SHA512
ae95e72d18d3aa28cd73ee945cbbc0a44a94116d40c399a0ec48b79ac20ca2079d9f97c8fd26e944b52e105484e7e9665f27ae56cbb59677831ffcbb46f9d51a

Download Submit
C:\Windows\System32\WindowsPro\svchost.exe

Filesize
10.9MB

MD5
9b6076c34aacb461a85cf33b2bb0a7f8

SHA1
fc0dd560f497084a0ac5be880d7c648b06e0a069

SHA256
f69efe5c8be9546d026bfa22564113c57b09987bae3d7a6bba54324c41a368d8

SHA512
3df12375c12ed0d48c09884b76122cc4de59eefa6302424f1798d6fee35033d12096c4540cfcf20d4702afe07e1cdf273638fa977571c2c447105bee437b6fba

Download Submit
memory/560-34-0x0000000000B20000-0x0000000000ED2000-memory.dmp

Filesize
3.7MB

Download
memory/2104-36-0x0000000000BC0000-0x0000000000F72000-memory.dmp

Filesize
3.7MB

Download
memory/2248-10-0x000007FEF64B0000-0x000007FEF6E9C000-memory.dmp

Filesize
9.9MB

Download
memory/2248-4-0x000007FEF64B0000-0x000007FEF6E9C000-memory.dmp

Filesize
9.9MB

Download
memory/2248-6-0x000007FEF64B0000-0x000007FEF6E9C000-memory.dmp

Filesize
9.9MB

Download
memory/2248-7-0x000000001C0D0000-0x000000001C3F6000-memory.dmp

Filesize
3.1MB

Download
memory/2248-8-0x00000000211D0000-0x0000000021430000-memory.dmp

Filesize
2.4MB

Download
memory/2248-9-0x000007FEF64B0000-0x000007FEF6E9C000-memory.dmp

Filesize
9.9MB

Download
memory/2248-0-0x000007FEF64B3000-0x000007FEF64B4000-memory.dmp

Filesize
4KB

Download
memory/2248-5-0x000007FEF64B3000-0x000007FEF64B4000-memory.dmp

Filesize
4KB

Download
memory/2248-1-0x0000000000170000-0x0000000000522000-memory.dmp

Filesize
3.7MB

Download
memory/2248-2-0x000000001C590000-0x000000001C8C2000-memory.dmp

Filesize
3.2MB

Download
memory/2248-3-0x000007FEF64B0000-0x000007FEF6E9C000-memory.dmp

Filesize
9.9MB

Download
memory/2248-29-0x000007FEF64B0000-0x000007FEF6E9C000-memory.dmp

Filesize
9.9MB

Download
memory/2708-21-0x0000000001F50000-0x0000000001F58000-memory.dmp

Filesize
32KB

Download
memory/2708-20-0x000000001B3C0000-0x000000001B6A2000-memory.dmp

Filesize
2.9MB

Download
memory/2952-28-0x0000000001ED0000-0x0000000001ED8000-memory.dmp

Filesize
32KB

Download
memory/2952-27-0x000000001B220000-0x000000001B502000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads