444ad5599a673e1b0ae5ca8cfa261ab076f3d669d8d33556bc6b3b9b38f1c2c4

General

Target

3b65f173cfe40322076c4479a52c1bcb.exe
Size

328KB
MD5

3b65f173cfe40322076c4479a52c1bcb
SHA1

a6be1d9c608cb52a824d1dc8c17fb15398157216
SHA256

444ad5599a673e1b0ae5ca8cfa261ab076f3d669d8d33556bc6b3b9b38f1c2c4
SHA512

f5fc1275fb632c09471c2c9b3e26a2b3d24925435c1925cbfafe12c83dd6bd4cea5807a483045f76edb480ce5eb545c752395491bc3b9254955000a284ddcf16
SSDEEP

6144:e2+JS2sFafI8U0obHCW/2a7XQcsPMjVWrG89gkPzDh1v:e2TFafJiHCWBWPMjVWrXf1v

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2628	SearchIndexerDB.exe
2552	SearchIndexerDB.exe

Loads dropped DLL 4 IoCs

pid	Process
2020	3b65f173cfe40322076c4479a52c1bcb.exe
2020	3b65f173cfe40322076c4479a52c1bcb.exe
2020	3b65f173cfe40322076c4479a52c1bcb.exe
2628	SearchIndexerDB.exe

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

System Information Discovery
T1082

Modifies registry class 28 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe\ = "cmos"	3b65f173cfe40322076c4479a52c1bcb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe\DefaultIcon\ = "%1"	3b65f173cfe40322076c4479a52c1bcb.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe\shell\open	3b65f173cfe40322076c4479a52c1bcb.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe\shell\runas\command	3b65f173cfe40322076c4479a52c1bcb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\cmos\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\SysWOW_x86_64\\SearchIndexerDB.exe\" /START \"%1\" %*"	3b65f173cfe40322076c4479a52c1bcb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\cmos\shell\runas\command\IsolatedCommand = "\"%1\" %*"	3b65f173cfe40322076c4479a52c1bcb.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe\DefaultIcon	3b65f173cfe40322076c4479a52c1bcb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\SysWOW_x86_64\\SearchIndexerDB.exe\" /START \"%1\" %*"	3b65f173cfe40322076c4479a52c1bcb.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\cmos\shell\open	3b65f173cfe40322076c4479a52c1bcb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\cmos\shell\open\command\IsolatedCommand = "\"%1\" %*"	3b65f173cfe40322076c4479a52c1bcb.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\cmos\DefaultIcon	3b65f173cfe40322076c4479a52c1bcb.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\cmos\shell	3b65f173cfe40322076c4479a52c1bcb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\cmos\shell\runas\command\ = "\"%1\" %*"	3b65f173cfe40322076c4479a52c1bcb.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe	3b65f173cfe40322076c4479a52c1bcb.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe\shell\runas	3b65f173cfe40322076c4479a52c1bcb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\cmos\ = "Application"	3b65f173cfe40322076c4479a52c1bcb.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\cmos\shell\runas	3b65f173cfe40322076c4479a52c1bcb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	3b65f173cfe40322076c4479a52c1bcb.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe\shell\open\command	3b65f173cfe40322076c4479a52c1bcb.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe\shell	3b65f173cfe40322076c4479a52c1bcb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\cmos\DefaultIcon\ = "%1"	3b65f173cfe40322076c4479a52c1bcb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe\Content-Type = "application/x-msdownload"	3b65f173cfe40322076c4479a52c1bcb.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\cmos\shell\runas\command	3b65f173cfe40322076c4479a52c1bcb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe\shell\runas\command\ = "\"%1\" %*"	3b65f173cfe40322076c4479a52c1bcb.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\cmos\shell\open\command	3b65f173cfe40322076c4479a52c1bcb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	3b65f173cfe40322076c4479a52c1bcb.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\cmos	3b65f173cfe40322076c4479a52c1bcb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\cmos\Content-Type = "application/x-msdownload"	3b65f173cfe40322076c4479a52c1bcb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2628	SearchIndexerDB.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 2628	2020	3b65f173cfe40322076c4479a52c1bcb.exe	28
PID 2020 wrote to memory of 2628	2020	3b65f173cfe40322076c4479a52c1bcb.exe	28
PID 2020 wrote to memory of 2628	2020	3b65f173cfe40322076c4479a52c1bcb.exe	28
PID 2020 wrote to memory of 2628	2020	3b65f173cfe40322076c4479a52c1bcb.exe	28
PID 2628 wrote to memory of 2552	2628	SearchIndexerDB.exe	29
PID 2628 wrote to memory of 2552	2628	SearchIndexerDB.exe	29
PID 2628 wrote to memory of 2552	2628	SearchIndexerDB.exe	29
PID 2628 wrote to memory of 2552	2628	SearchIndexerDB.exe	29

C:\Users\Admin\AppData\Local\Temp\3b65f173cfe40322076c4479a52c1bcb.exe
"C:\Users\Admin\AppData\Local\Temp\3b65f173cfe40322076c4479a52c1bcb.exe"
1⤵
- Loads dropped DLL
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_x86_64\SearchIndexerDB.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_x86_64\SearchIndexerDB.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_x86_64\SearchIndexerDB.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2628
- - C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_x86_64\SearchIndexerDB.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_x86_64\SearchIndexerDB.exe"
    3⤵
    - Executes dropped EXE
    PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Roaming\Microsoft\SysWOW_x86_64\SearchIndexerDB.exe

Filesize
328KB

MD5
0cbceff4fdc0261c91337d956f4b0286

SHA1
54341c291c44691a81b16a887b5c1237d7c21a6a

SHA256
3f0083084557a6286e6aa22f46b8902d0c0173a68d334e22c916ed18f70f44e9

SHA512
a179983e9a22a710c248324d064e1731adf95dcfce60cbd609c0386eb9e8cd93b9a73e0114ca4a1c22f0a441f0cb307872d7d1df4945465f5442d4e797424a9a

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