a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388

General

Target

a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
Size

140KB
MD5

ec8f375201e7fc6d1442c6ce573d0727
SHA1

9943ea8973b7535085b1792414db5cdf6721d398
SHA256

a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388
SHA512

edb3f9d5ee1bdd1c82e761f78156ebc88efd81146784fe9ba132ce2d8d77e34313fffc7e9f7566ed686f8e6e7be3b09bfd53c55325c529b03c7e76fb00d6c4f7
SSDEEP

3072:KoKY3eLtmelOckbmWl0O+UdNm/Q5v1p5E71i8PKc:KoK4cmKOckbmWyZUTvp5cV

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\c040e174.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c040e174.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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c040e17 = "C:\\c040e174\\c040e174.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*040e17 = "C:\\c040e174\\c040e174.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c040e174 = "C:\\Users\\Admin\\AppData\\Roaming\\c040e174.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*040e174 = "C:\\Users\\Admin\\AppData\\Roaming\\c040e174.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

19 ip-addr.es
22 ip-addr.es

flow	ioc
19	ip-addr.es
22	ip-addr.es

Suspicious use of SetThreadContext 1 IoCs

Processes:

a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe

description	pid	process	target process
PID 868 set thread context of 400	868	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exeexplorer.exe

pid process

400 a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
5064 explorer.exe

pid	process
400	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
5064	explorer.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exea9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exeexplorer.exe

C:\Users\Admin\AppData\Local\Temp\a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
"C:\Users\Admin\AppData\Local\Temp\a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:868

C:\Users\Admin\AppData\Local\Temp\a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
"C:\Users\Admin\AppData\Local\Temp\a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe"
2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:400

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\syswow64\explorer.exe"
3⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:5064

C:\Windows\SysWOW64\svchost.exe
-k netsvcs
4⤵
PID:5028

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/400-133-0x0000000000000000-mapping.dmp

Download
memory/400-134-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/400-137-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/868-132-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/868-135-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/5028-139-0x0000000000000000-mapping.dmp

Download
memory/5028-140-0x00000000006C0000-0x00000000006E5000-memory.dmp

Filesize
148KB

Download
memory/5028-141-0x00000000006C0000-0x00000000006E5000-memory.dmp

Filesize
148KB

Download
memory/5064-136-0x0000000000000000-mapping.dmp

Download
memory/5064-138-0x0000000000420000-0x0000000000445000-memory.dmp

Filesize
148KB

Download

description	pid	process	target process
PID 868 wrote to memory of 400	868	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 868 wrote to memory of 400	868	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 868 wrote to memory of 400	868	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 868 wrote to memory of 400	868	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 868 wrote to memory of 400	868	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 868 wrote to memory of 400	868	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 868 wrote to memory of 400	868	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 868 wrote to memory of 400	868	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 868 wrote to memory of 400	868	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 868 wrote to memory of 400	868	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe
PID 400 wrote to memory of 5064	400	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	explorer.exe
PID 400 wrote to memory of 5064	400	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	explorer.exe
PID 400 wrote to memory of 5064	400	a9fbc8d8cace2c2d0fd253f7e70b012457ae9665bf8c19ed7604b00a0b819388.exe	explorer.exe
PID 5064 wrote to memory of 5028	5064	explorer.exe	svchost.exe
PID 5064 wrote to memory of 5028	5064	explorer.exe	svchost.exe
PID 5064 wrote to memory of 5028	5064	explorer.exe	svchost.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads