00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0

Analysis

max time kernel
147s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2022 12:50

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General

Target

00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe
Size

129KB
MD5

aea8ab12edf294ddb2804d6618fdd247
SHA1

96fb7d2e3ad9fe434a66abb15b26dd4e40aa5d4b
SHA256

00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0
SHA512

bee50fb9f66126ef51593f80c364f82df301c5e96ed380a6cf90bb67a50d3bb42adf4a3c0214512455061e8952fd97500e82a2d3dbe27e111e597e2cc6ef783d
SSDEEP

3072:E2RkHzd/EtzAAj1reAXyDTdWV1oqCgQfBUnPy8LWVBBhj:E2idEt8ABrKDTdWV1oqCgQfBUPy8LWVh

Score

7^/10

persistence

Malware Config

Signatures

Drops startup file 1 IoCs

Processes:

explorer.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1cb07beb.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1cb07beb.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1cb07be = "C:\\1cb07beb\\1cb07beb.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*cb07be = "C:\\1cb07beb\\1cb07beb.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1cb07beb = "C:\\Users\\Admin\\AppData\\Roaming\\1cb07beb.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*cb07beb = "C:\\Users\\Admin\\AppData\\Roaming\\1cb07beb.exe"	explorer.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 ip-addr.es
14 myexternalip.com
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exeexplorer.exe

pid process

3060 00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe
2128 explorer.exe

flow	ioc
3	ip-addr.es
14	myexternalip.com

pid	process
3060	00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe
2128	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exeexplorer.exe

description	pid	process	target process
PID 3060 wrote to memory of 2128	3060	00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe	explorer.exe
PID 3060 wrote to memory of 2128	3060	00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe	explorer.exe
PID 3060 wrote to memory of 2128	3060	00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe	explorer.exe
PID 2128 wrote to memory of 2040	2128	explorer.exe	svchost.exe
PID 2128 wrote to memory of 2040	2128	explorer.exe	svchost.exe
PID 2128 wrote to memory of 2040	2128	explorer.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe
"C:\Users\Admin\AppData\Local\Temp\00735e4ad3e9a9a5b3551dce371248327e74ef3c25edca343b063c4914a8afb0.exe"
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3060

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\syswow64\explorer.exe"
2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2128

C:\Windows\SysWOW64\svchost.exe
-k netsvcs
3⤵
PID:2040

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2040-134-0x0000000000000000-mapping.dmp

Download
memory/2040-135-0x0000000000EA0000-0x0000000000EC5000-memory.dmp

Filesize
148KB

Download
memory/2128-132-0x0000000000000000-mapping.dmp

Download
memory/2128-133-0x0000000000E40000-0x0000000000E65000-memory.dmp

Filesize
148KB

Download