db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26

Analysis

max time kernel
146s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
17-07-2024 04:17

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General

Target

db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe
Size

2.2MB
MD5

ffe6422dff4cbe7efdbd7ac4983504d4
SHA1

b67e47c4469476baa69803a3183f2c5a821ad5b1
SHA256

db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26
SHA512

626e085ef91b16ba1d2c7211de287854b4a7e85282ccc5a863aa3603f5249ad6dcd2ae2127142268341a5cc28d91ba4f6b9bab3bef268f35e3e683ee929bf499
SSDEEP

49152:z79Bu1YpCIlTKgirv6NruEf9MpehiCcOIo8R+jl3W:zpBu2flTXmpehGOV8cjRW

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

rfsjcv.exerfsjcv.exe

pid process

2168 rfsjcv.exe
4800 rfsjcv.exe

pid	process
2168	rfsjcv.exe
4800	rfsjcv.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3866437728-1832012455-4133739663-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hypdhoszwhs = "C:\\Users\\Admin\\AppData\\Roaming\\Hypdhoszwhs.exe"	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exerfsjcv.exe

description	pid	process	target process
PID 4616 set thread context of 728	4616	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe
PID 2168 set thread context of 4800	2168	rfsjcv.exe	rfsjcv.exe

Drops file in Windows directory 1 IoCs

Processes:

db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe

description ioc process

File created C:\Windows\Tasks\Test Task17.job db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe

description	ioc	process
File created	C:\Windows\Tasks\Test Task17.job	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exerfsjcv.exe

description	pid	process
Token: SeDebugPrivilege	4616	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe
Token: SeDebugPrivilege	4616	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe
Token: SeDebugPrivilege	2168	rfsjcv.exe
Token: SeDebugPrivilege	2168	rfsjcv.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exerfsjcv.exe

description	pid	process	target process
PID 4616 wrote to memory of 728	4616	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe
PID 4616 wrote to memory of 728	4616	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe
PID 4616 wrote to memory of 728	4616	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe
PID 4616 wrote to memory of 728	4616	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe
PID 4616 wrote to memory of 728	4616	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe
PID 4616 wrote to memory of 728	4616	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe
PID 4616 wrote to memory of 728	4616	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe
PID 4616 wrote to memory of 728	4616	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe	db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe
PID 2168 wrote to memory of 4800	2168	rfsjcv.exe	rfsjcv.exe
PID 2168 wrote to memory of 4800	2168	rfsjcv.exe	rfsjcv.exe
PID 2168 wrote to memory of 4800	2168	rfsjcv.exe	rfsjcv.exe
PID 2168 wrote to memory of 4800	2168	rfsjcv.exe	rfsjcv.exe
PID 2168 wrote to memory of 4800	2168	rfsjcv.exe	rfsjcv.exe
PID 2168 wrote to memory of 4800	2168	rfsjcv.exe	rfsjcv.exe
PID 2168 wrote to memory of 4800	2168	rfsjcv.exe	rfsjcv.exe
PID 2168 wrote to memory of 4800	2168	rfsjcv.exe	rfsjcv.exe

C:\Users\Admin\AppData\Local\Temp\db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe
"C:\Users\Admin\AppData\Local\Temp\db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4616

C:\Users\Admin\AppData\Local\Temp\db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe
"C:\Users\Admin\AppData\Local\Temp\db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26.exe"
2⤵
- Drops file in Windows directory
PID:728

C:\ProgramData\lgcd\rfsjcv.exe
C:\ProgramData\lgcd\rfsjcv.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168

C:\ProgramData\lgcd\rfsjcv.exe
"C:\ProgramData\lgcd\rfsjcv.exe"
2⤵
- Executes dropped EXE
PID:4800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\lgcd\rfsjcv.exe

Filesize
2.2MB

MD5
ffe6422dff4cbe7efdbd7ac4983504d4

SHA1
b67e47c4469476baa69803a3183f2c5a821ad5b1

SHA256
db4d63069f8ba1604f971997cff723b7ed36153cd6b29d04ea0fc341236d9b26

SHA512
626e085ef91b16ba1d2c7211de287854b4a7e85282ccc5a863aa3603f5249ad6dcd2ae2127142268341a5cc28d91ba4f6b9bab3bef268f35e3e683ee929bf499

Download Submit
C:\Windows\Tasks\Test Task17.job

Filesize
234B

MD5
5e1f2b776a5dab2a30d432fa86d8cd58

SHA1
fd40dca1b5d8fd557079554de397f06d388bcb93

SHA256
1f866481f864abe3de67aea8d2eebaac724ed85cacbf791032a46eaec2b71871

SHA512
4d33afa188978c9c97c6e538f9f7f681369ddea1056a80e3016a8fdc32b04db5bade7ed8b2839a74c00ea92292f77b9711c07efe308ef556ffe419b2b4b64ead

Download Submit
memory/728-4880-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2168-4887-0x0000000075040000-0x00000000757F1000-memory.dmp

Filesize
7.7MB

Download
memory/2168-9751-0x0000000075040000-0x00000000757F1000-memory.dmp

Filesize
7.7MB

Download
memory/2168-9752-0x000000007504E000-0x000000007504F000-memory.dmp

Filesize
4KB

Download
memory/2168-9763-0x0000000075040000-0x00000000757F1000-memory.dmp

Filesize
7.7MB

Download
memory/2168-9753-0x0000000075040000-0x00000000757F1000-memory.dmp

Filesize
7.7MB

Download
memory/4616-30-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-28-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-5-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

Filesize
40KB

Download
memory/4616-6-0x00000000058E0000-0x0000000005AFC000-memory.dmp

Filesize
2.1MB

Download
memory/4616-16-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-60-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-68-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-62-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-58-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-56-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-52-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-48-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-46-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-44-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-42-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-40-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-38-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-36-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-34-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-32-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-3-0x0000000004E30000-0x0000000004EC2000-memory.dmp

Filesize
584KB

Download
memory/4616-54-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-50-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-4-0x0000000075040000-0x00000000757F1000-memory.dmp

Filesize
7.7MB

Download
memory/4616-26-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-22-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-20-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-18-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-14-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-12-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-10-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-24-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-8-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-7-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-70-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-66-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-64-0x00000000058E0000-0x0000000005AF5000-memory.dmp

Filesize
2.1MB

Download
memory/4616-4869-0x0000000075040000-0x00000000757F1000-memory.dmp

Filesize
7.7MB

Download
memory/4616-4870-0x00000000065C0000-0x000000000661A000-memory.dmp

Filesize
360KB

Download
memory/4616-4871-0x0000000006620000-0x000000000666C000-memory.dmp

Filesize
304KB

Download
memory/4616-2-0x0000000005330000-0x00000000058D6000-memory.dmp

Filesize
5.6MB

Download
memory/4616-4872-0x000000007504E000-0x000000007504F000-memory.dmp

Filesize
4KB

Download
memory/4616-4873-0x0000000075040000-0x00000000757F1000-memory.dmp

Filesize
7.7MB

Download
memory/4616-4874-0x00000000025A0000-0x00000000025F4000-memory.dmp

Filesize
336KB

Download
memory/4616-4884-0x0000000075040000-0x00000000757F1000-memory.dmp

Filesize
7.7MB

Download
memory/4616-0-0x000000007504E000-0x000000007504F000-memory.dmp

Filesize
4KB

Download
memory/4616-1-0x0000000000020000-0x0000000000250000-memory.dmp

Filesize
2.2MB

Download
memory/4800-9761-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download