b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916

General

Target

$TEMP/Selfconvened.exe
Size

4.5MB
MD5

64b5e984fda860eedf19c29a124094fb
SHA1

760c195741989e17b48ad52c13bed35e8ea51692
SHA256

1f47c67d3baa635c4b7dd2bfed0a26a6bd499c3ab5a64d10b391a52e7d71ba39
SHA512

187dbbc7137db41da77dd5c3d1471f82b157d031653109632adb9c49ea519f452b661cfd1845512661dcdb3b00bf2a02b2c3504406fb19ad89b06fcd6afee4e4
SSDEEP

98304:xLIWL25lsofrCgl5PmHGjCYv8LHPrVWPa5Qwy:Fslsofuit0bJWPa5QJ

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
1020	powershell.exe
3040	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
592	svchost.exe
1968	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2364	taskeng.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\WindowsPro\svchost.exe	Selfconvened.exe
File opened for modification	C:\Windows\system32\WindowsPro\svchost.exe	Selfconvened.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
2576	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1492	Selfconvened.exe
1020	powershell.exe
3040	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1492	Selfconvened.exe
Token: SeDebugPrivilege	1020	powershell.exe
Token: SeDebugPrivilege	3040	powershell.exe
Token: SeDebugPrivilege	592	svchost.exe
Token: SeDebugPrivilege	1968	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 2628	1492	Selfconvened.exe	30
PID 1492 wrote to memory of 2628	1492	Selfconvened.exe	30
PID 1492 wrote to memory of 2628	1492	Selfconvened.exe	30
PID 1492 wrote to memory of 2576	1492	Selfconvened.exe	31
PID 1492 wrote to memory of 2576	1492	Selfconvened.exe	31
PID 1492 wrote to memory of 2576	1492	Selfconvened.exe	31
PID 2628 wrote to memory of 1020	2628	cmd.exe	34
PID 2628 wrote to memory of 1020	2628	cmd.exe	34
PID 2628 wrote to memory of 1020	2628	cmd.exe	34
PID 2628 wrote to memory of 3040	2628	cmd.exe	36
PID 2628 wrote to memory of 3040	2628	cmd.exe	36
PID 2628 wrote to memory of 3040	2628	cmd.exe	36
PID 2364 wrote to memory of 592	2364	taskeng.exe	37
PID 2364 wrote to memory of 592	2364	taskeng.exe	37
PID 2364 wrote to memory of 592	2364	taskeng.exe	37
PID 2364 wrote to memory of 1968	2364	taskeng.exe	38
PID 2364 wrote to memory of 1968	2364	taskeng.exe	38
PID 2364 wrote to memory of 1968	2364	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\Selfconvened.exe
"C:\Users\Admin\AppData\Local\Temp\$TEMP\Selfconvened.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1492
- 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:2628
- - 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:1020
- - 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:3040
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /f /sc minute /rl highest /mo 1 /tn "Bobsledding" /tr "C:\Windows\system32\WindowsPro\svchost.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2576

C:\Windows\system32\taskeng.exe
taskeng.exe {CD7822F0-546D-4EA6-86BB-A000AA201D25} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\system32\WindowsPro\svchost.exe
  C:\Windows\system32\WindowsPro\svchost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:592
- C:\Windows\system32\WindowsPro\svchost.exe
  C:\Windows\system32\WindowsPro\svchost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1968

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
f2002f64302f47f4b5077d443d8bf1e9

SHA1
f3d21fcdf004375fc1db6dea57dc578ede1681c7

SHA256
9f72b7de74ada5fc628fb5f8d4ef9f7cb4e13894551df76260c531ccb9fb9bc8

SHA512
099bff18e3923cdbb104270718984e75fecb2e1de6ab788411964a6da6db35552f69ffc34b09c258698e9ac6dc47d14997b9e4b94bc093f7251b81c44f0ca668

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

Filesize
10.6MB

MD5
d4e78894075f6d33163a09495bef6a06

SHA1
644388ba80132608f1f8b28108e9e846d72fb445

SHA256
5cebd33c6f5dee6bba0517ef6c93892516229dd7ebff524ed49551b26b9cf573

SHA512
acdbe4da39e41302c4927f9a7ad0ed6ab736290eb1696214f3fff0cbc09625a015f2e236e538d2c826cd9d0af57969d1f860ef91e65c4a55cd884dfd39d275ee

Download Submit
memory/592-33-0x0000000000820000-0x0000000000C9A000-memory.dmp

Filesize
4.5MB

Download
memory/1020-21-0x0000000001DE0000-0x0000000001DE8000-memory.dmp

Filesize
32KB

Download
memory/1020-20-0x000000001B210000-0x000000001B4F2000-memory.dmp

Filesize
2.9MB

Download
memory/1492-10-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/1492-4-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/1492-7-0x0000000020EA0000-0x0000000021248000-memory.dmp

Filesize
3.7MB

Download
memory/1492-8-0x0000000021250000-0x00000000214F4000-memory.dmp

Filesize
2.6MB

Download
memory/1492-9-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/1492-0-0x000007FEF6003000-0x000007FEF6004000-memory.dmp

Filesize
4KB

Download
memory/1492-5-0x000007FEF6003000-0x000007FEF6004000-memory.dmp

Filesize
4KB

Download
memory/1492-6-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/1492-3-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/1492-2-0x000000001C560000-0x000000001C918000-memory.dmp

Filesize
3.7MB

Download
memory/1492-34-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/1492-1-0x0000000000210000-0x000000000068A000-memory.dmp

Filesize
4.5MB

Download
memory/1968-36-0x0000000000E50000-0x00000000012CA000-memory.dmp

Filesize
4.5MB

Download
memory/3040-28-0x0000000002660000-0x0000000002668000-memory.dmp

Filesize
32KB

Download
memory/3040-27-0x000000001B300000-0x000000001B5E2000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads