fafa2c77937e7b14af1d156fd7a188c74833f34a45ceb8ce241c7c991e1dea58

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
4600	powershell.exe
2612	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
1480	svchost.exe
3700	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
2512	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2668	Selfconvened.exe
4600	powershell.exe
4600	powershell.exe
2612	powershell.exe
2612	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2668	Selfconvened.exe
Token: SeDebugPrivilege	4600	powershell.exe
Token: SeDebugPrivilege	2612	powershell.exe
Token: SeDebugPrivilege	1480	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2428	2668	Selfconvened.exe	89
PID 2668 wrote to memory of 2428	2668	Selfconvened.exe	89
PID 2668 wrote to memory of 2512	2668	Selfconvened.exe	91
PID 2668 wrote to memory of 2512	2668	Selfconvened.exe	91
PID 2428 wrote to memory of 4600	2428	cmd.exe	93
PID 2428 wrote to memory of 4600	2428	cmd.exe	93
PID 2428 wrote to memory of 2612	2428	cmd.exe	94
PID 2428 wrote to memory of 2612	2428	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:2668
- 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:2428
- - 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:4600
- - 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:2612
- 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:2512

C:\Windows\system32\WindowsPro\svchost.exe
C:\Windows\system32\WindowsPro\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1480

C:\Windows\system32\WindowsPro\svchost.exe
C:\Windows\system32\WindowsPro\svchost.exe
1⤵
- Executes dropped EXE
PID:3700

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
d8b9a260789a22d72263ef3bb119108c

SHA1
376a9bd48726f422679f2cd65003442c0b6f6dd5

SHA256
d69d47e428298f194850d14c3ce375e7926128a0bfb62c1e75940ab206f8fddc

SHA512
550314fab1e363851a7543c989996a440d95f7c9db9695cce5abaad64523f377f48790aa091d66368f50f941179440b1fa94448289ee514d5b5a2f4fe6225e9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5l2krm0d.waa.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
10.9MB

MD5
256cc8644b3f8b407685ae24b6af8078

SHA1
bd1201115ec36d366089d1c078cad417a2a7bd3b

SHA256
e61d69dcaaca4e7bf1d86bcd843452b6ebf371b34a7e0984f5f091279bd4c691

SHA512
c7d52f4a7a3c6e1a84b1bb777e4457c8d8c2183d40107d4c2d984fd19bf33619649677603e3335be228d41fa9345fd584258c7a8c3766de965f440e0460bd2e2

Download Submit
memory/2668-10-0x00000215ACF10000-0x00000215AD3DC000-memory.dmp

Filesize
4.8MB

Download
memory/2668-4-0x00007FF849A40000-0x00007FF84A501000-memory.dmp

Filesize
10.8MB

Download
memory/2668-7-0x00007FF849A40000-0x00007FF84A501000-memory.dmp

Filesize
10.8MB

Download
memory/2668-8-0x00000215AC3F0000-0x00000215AC798000-memory.dmp

Filesize
3.7MB

Download
memory/2668-9-0x00000215AC7A0000-0x00000215ACA44000-memory.dmp

Filesize
2.6MB

Download
memory/2668-0-0x00007FF849A43000-0x00007FF849A45000-memory.dmp

Filesize
8KB

Download
memory/2668-11-0x00000215AA0E0000-0x00000215AA0F2000-memory.dmp

Filesize
72KB

Download
memory/2668-5-0x00007FF849A40000-0x00007FF84A501000-memory.dmp

Filesize
10.8MB

Download
memory/2668-1-0x000002158F530000-0x000002158F9AA000-memory.dmp

Filesize
4.5MB

Download
memory/2668-6-0x00007FF849A43000-0x00007FF849A45000-memory.dmp

Filesize
8KB

Download
memory/2668-2-0x00000215AA110000-0x00000215AA4C8000-memory.dmp

Filesize
3.7MB

Download
memory/2668-3-0x00007FF849A40000-0x00007FF84A501000-memory.dmp

Filesize
10.8MB

Download
memory/4600-18-0x00007FF849A40000-0x00007FF84A501000-memory.dmp

Filesize
10.8MB

Download
memory/4600-32-0x00007FF849A40000-0x00007FF84A501000-memory.dmp

Filesize
10.8MB

Download
memory/4600-29-0x00000179A5910000-0x00000179A5932000-memory.dmp

Filesize
136KB

Download
memory/4600-19-0x00007FF849A40000-0x00007FF84A501000-memory.dmp

Filesize
10.8MB

Download
memory/4600-17-0x00007FF849A40000-0x00007FF84A501000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads