bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4

General

Target

bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
Size

272KB
MD5

baf3947937254c5d2112d879bc059994
SHA1

828d6783742e3b6f7b0142b116621a53e848c061
SHA256

bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4
SHA512

58acd6c8df3f3e4bb43995f1cb210707efe3b8d0d21e65390798e0e0ab5612632ef06d0dbafa6b19e928cd87f0dbb7d036c9617a42a56aed59a83bba098ac165
SSDEEP

6144:nAz71iSbYGYBdo0FiU2sauK9ZZLjhwXvY2vuRC+4:nAzp7bxYHo036BfhwXQ2mRCV

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\e1667ee4.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e1667ee4.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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e1667ee = "C:\\e1667ee4\\e1667ee4.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*1667ee = "C:\\e1667ee4\\e1667ee4.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e1667ee4 = "C:\\Users\\Admin\\AppData\\Roaming\\e1667ee4.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*1667ee4 = "C:\\Users\\Admin\\AppData\\Roaming\\e1667ee4.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

11 ip-addr.es
22 myexternalip.com

flow	ioc
11	ip-addr.es
22	myexternalip.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe

description	pid	process	target process
PID 4928 set thread context of 2920	4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe

pid	process
4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exeexplorer.exe

pid process

2920 bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
3340 explorer.exe

pid	process
2920	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
3340	explorer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe

pid	process
4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exebb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exeexplorer.exe

C:\Users\Admin\AppData\Local\Temp\bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
"C:\Users\Admin\AppData\Local\Temp\bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4928

C:\Users\Admin\AppData\Local\Temp\bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
C:\Users\Admin\AppData\Local\Temp\bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2920

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:3340

C:\Windows\SysWOW64\svchost.exe
-k netsvcs
4⤵
PID:532

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/532-139-0x0000000000000000-mapping.dmp

Download
memory/532-140-0x0000000000A50000-0x0000000000A75000-memory.dmp

Filesize
148KB

Download
memory/2920-132-0x0000000000000000-mapping.dmp

Download
memory/2920-133-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2920-135-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2920-137-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3340-136-0x0000000000000000-mapping.dmp

Download
memory/3340-138-0x0000000000380000-0x00000000003A5000-memory.dmp

Filesize
148KB

Download
memory/4928-134-0x0000000000AD0000-0x0000000000AD4000-memory.dmp

Filesize
16KB

Download

description	pid	process	target process
PID 4928 wrote to memory of 2920	4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
PID 4928 wrote to memory of 2920	4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
PID 4928 wrote to memory of 2920	4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
PID 4928 wrote to memory of 2920	4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
PID 4928 wrote to memory of 2920	4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
PID 4928 wrote to memory of 2920	4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
PID 4928 wrote to memory of 2920	4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
PID 4928 wrote to memory of 2920	4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
PID 4928 wrote to memory of 2920	4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
PID 4928 wrote to memory of 2920	4928	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe
PID 2920 wrote to memory of 3340	2920	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe	explorer.exe
PID 2920 wrote to memory of 3340	2920	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe	explorer.exe
PID 2920 wrote to memory of 3340	2920	bb5b1ea5a20e3368473fc5e777b0589bf6b52c568d17c584653b3f4698dd67a4.exe	explorer.exe
PID 3340 wrote to memory of 532	3340	explorer.exe	svchost.exe
PID 3340 wrote to memory of 532	3340	explorer.exe	svchost.exe
PID 3340 wrote to memory of 532	3340	explorer.exe	svchost.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads