ad3bcb65313043b1a43b8fb210f3a20a87df8a8145ed9a18b086d0859616caa2

Analysis

max time kernel
151s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
23-10-2023 21:16

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General

Target

d7e876a714e2632fa42e6636177962516736074c76f486dc34de020ec13af0c9.exe
Size

303KB
MD5

70e94f2ed65211ee0b4ee143fa6d300b
SHA1

ff8bb6f7220ed3f67d23b710bffddfa3e2e46d83
SHA256

d7e876a714e2632fa42e6636177962516736074c76f486dc34de020ec13af0c9
SHA512

fbd1fde8675d966fb47f86f59f6bd8c3dc2d5f97d12d56d1cd978cd918058b128496c5b1382fda9876958f91e32088d97646ebca2926833c738e39f62d6a8332
SSDEEP

6144:7CSOgPDKvKum02kU1zZcYfNE+JoEPNaUW/AFSjNCi:+SxPDfuuVH1bPNaUWFj3

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\a2ee8a90.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a2ee8a90.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*2ee8a90 = "C:\\Users\\Admin\\AppData\\Roaming\\a2ee8a90.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a2ee8a9 = "C:\\a2ee8a90\\a2ee8a90.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*2ee8a9 = "C:\\a2ee8a90\\a2ee8a90.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a2ee8a90 = "C:\\Users\\Admin\\AppData\\Roaming\\a2ee8a90.exe"	explorer.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

27 ip-addr.es
29 ip-addr.es
153 ip-addr.es
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

d7e876a714e2632fa42e6636177962516736074c76f486dc34de020ec13af0c9.exeexplorer.exe

pid process

3196 d7e876a714e2632fa42e6636177962516736074c76f486dc34de020ec13af0c9.exe
996 explorer.exe

flow	ioc
27	ip-addr.es
29	ip-addr.es
153	ip-addr.es

pid	process
3196	d7e876a714e2632fa42e6636177962516736074c76f486dc34de020ec13af0c9.exe
996	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d7e876a714e2632fa42e6636177962516736074c76f486dc34de020ec13af0c9.exeexplorer.exe

description	pid	process	target process
PID 3196 wrote to memory of 996	3196	d7e876a714e2632fa42e6636177962516736074c76f486dc34de020ec13af0c9.exe	explorer.exe
PID 3196 wrote to memory of 996	3196	d7e876a714e2632fa42e6636177962516736074c76f486dc34de020ec13af0c9.exe	explorer.exe
PID 3196 wrote to memory of 996	3196	d7e876a714e2632fa42e6636177962516736074c76f486dc34de020ec13af0c9.exe	explorer.exe
PID 996 wrote to memory of 2176	996	explorer.exe	svchost.exe
PID 996 wrote to memory of 2176	996	explorer.exe	svchost.exe
PID 996 wrote to memory of 2176	996	explorer.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\d7e876a714e2632fa42e6636177962516736074c76f486dc34de020ec13af0c9.exe
"C:\Users\Admin\AppData\Local\Temp\d7e876a714e2632fa42e6636177962516736074c76f486dc34de020ec13af0c9.exe"
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3196

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:996

C:\Windows\SysWOW64\svchost.exe
-k netsvcs
3⤵
PID:2176

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/996-13-0x00000000012B0000-0x00000000012D5000-memory.dmp

Filesize
148KB

Download
memory/996-25-0x00000000012B0000-0x00000000012D5000-memory.dmp

Filesize
148KB

Download
memory/996-16-0x00000000012B0000-0x00000000012D5000-memory.dmp

Filesize
148KB

Download
memory/2176-26-0x0000000000840000-0x0000000000865000-memory.dmp

Filesize
148KB

Download
memory/2176-21-0x0000000000840000-0x0000000000865000-memory.dmp

Filesize
148KB

Download
memory/2176-20-0x0000000000840000-0x0000000000865000-memory.dmp

Filesize
148KB

Download
memory/3196-8-0x00000000022A0000-0x00000000022A1000-memory.dmp

Filesize
4KB

Download
memory/3196-7-0x00000000025B0000-0x0000000002614000-memory.dmp

Filesize
400KB

Download
memory/3196-0-0x00000000025B0000-0x0000000002614000-memory.dmp

Filesize
400KB

Download
memory/3196-9-0x00000000022A0000-0x00000000022A1000-memory.dmp

Filesize
4KB

Download
memory/3196-10-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3196-6-0x00000000025B0000-0x0000000002614000-memory.dmp

Filesize
400KB

Download
memory/3196-15-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3196-5-0x00000000025B0000-0x0000000002614000-memory.dmp

Filesize
400KB

Download
memory/3196-4-0x00000000022A0000-0x00000000022A1000-memory.dmp

Filesize
4KB

Download
memory/3196-3-0x00000000022A0000-0x00000000022A1000-memory.dmp

Filesize
4KB

Download
memory/3196-2-0x00000000025B0000-0x0000000002614000-memory.dmp

Filesize
400KB

Download
memory/3196-1-0x00000000025B0000-0x0000000002614000-memory.dmp

Filesize
400KB

Download