b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd

Resubmissions

12-02-2021 14:11

210212-551hze35jj 8

12-02-2021 14:06

210212-7zb7p6v2cs 8

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7v20201028
submitted
12-02-2021 14:06

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General

Target

onliner_1_b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd.bin.exe
Size

440KB
MD5

2b6c2617de3d5140cdad2b57fcfc66d1
SHA1

208587b7ea5ee9b3925eb36985ef11b79abd783d
SHA256

b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd
SHA512

01a97124343832d625107a79df5aa74bea8fa8ba8460fed7565adf5c9395315fab18e8e0307b585bc8f7787d4a99806c10b62accf18ed5c4fa95e194f26db873

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

rnhlmpwvq.exernhlmpwvq.exe

pid process

2044 rnhlmpwvq.exe
1796 rnhlmpwvq.exe

pid	process
2044	rnhlmpwvq.exe
1796	rnhlmpwvq.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

rnhlmpwvq.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	rnhlmpwvq.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\beffdffeb = "C:\\Windows\\system32\\config\\systemprofile\\AppData\\Roaming\\beffdffeb.exe"	rnhlmpwvq.exe

Drops file in System32 directory 2 IoCs

Processes:

rnhlmpwvq.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\beffdffeb.exe	rnhlmpwvq.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\beffdffeb.exe	rnhlmpwvq.exe

Drops file in Windows directory 2 IoCs

Processes:

onliner_1_b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd.bin.exe

description	ioc	process
File created	C:\Windows\rnhlmpwvq.exe	onliner_1_b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd.bin.exe
File opened for modification	C:\Windows\rnhlmpwvq.exe	onliner_1_b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd.bin.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

onliner_1_b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd.bin.exe

description	pid	process	target process
PID 1824 wrote to memory of 1796	1824	onliner_1_b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd.bin.exe	rnhlmpwvq.exe
PID 1824 wrote to memory of 1796	1824	onliner_1_b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd.bin.exe	rnhlmpwvq.exe
PID 1824 wrote to memory of 1796	1824	onliner_1_b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd.bin.exe	rnhlmpwvq.exe
PID 1824 wrote to memory of 1796	1824	onliner_1_b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd.bin.exe	rnhlmpwvq.exe

C:\Users\Admin\AppData\Local\Temp\onliner_1_b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd.bin.exe
"C:\Users\Admin\AppData\Local\Temp\onliner_1_b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd.bin.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Windows\rnhlmpwvq.exe
  C:\Windows\rnhlmpwvq.exe "" "C:\Users\Admin\AppData\Local\Temp\onliner_1_b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd.bin.exe"
  2⤵
  - Executes dropped EXE
  PID:1796

C:\Windows\rnhlmpwvq.exe
C:\Windows\rnhlmpwvq.exe
1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
PID:2044

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\rnhlmpwvq.exe

MD5
2b6c2617de3d5140cdad2b57fcfc66d1

SHA1
208587b7ea5ee9b3925eb36985ef11b79abd783d

SHA256
b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd

SHA512
01a97124343832d625107a79df5aa74bea8fa8ba8460fed7565adf5c9395315fab18e8e0307b585bc8f7787d4a99806c10b62accf18ed5c4fa95e194f26db873

Download Submit
C:\Windows\rnhlmpwvq.exe

MD5
2b6c2617de3d5140cdad2b57fcfc66d1

SHA1
208587b7ea5ee9b3925eb36985ef11b79abd783d

SHA256
b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd

SHA512
01a97124343832d625107a79df5aa74bea8fa8ba8460fed7565adf5c9395315fab18e8e0307b585bc8f7787d4a99806c10b62accf18ed5c4fa95e194f26db873

Download Submit
C:\Windows\rnhlmpwvq.exe

MD5
2b6c2617de3d5140cdad2b57fcfc66d1

SHA1
208587b7ea5ee9b3925eb36985ef11b79abd783d

SHA256
b5c87cab2ff99d1e4b4c3ee897b07869fa8f6a63fbd27018f589c105faf91fcd

SHA512
01a97124343832d625107a79df5aa74bea8fa8ba8460fed7565adf5c9395315fab18e8e0307b585bc8f7787d4a99806c10b62accf18ed5c4fa95e194f26db873

Download Submit
memory/1796-6-0x0000000000000000-mapping.dmp

Download
memory/1824-2-0x00000000760F1000-0x00000000760F3000-memory.dmp

Filesize
8KB

Download