Malware Analysis Report

2025-01-03 05:59

Sample ID 240402-lwkhxsdg22
Target bf274f8c9ba0a2e9b51cc341688a1bc827e21e3d52f152bf49380123f70b2a59.zip
SHA256 59e05e4558ac3f55b43539e32d12f0ed3e75987b5a0dfddf766ecc0360181812
Tags
emotet epoch3 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

59e05e4558ac3f55b43539e32d12f0ed3e75987b5a0dfddf766ecc0360181812

Threat Level: Known bad

The file bf274f8c9ba0a2e9b51cc341688a1bc827e21e3d52f152bf49380123f70b2a59.zip was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Blocklisted process makes network request

Loads dropped DLL

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-02 09:52

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 09:52

Reported

2024-04-02 09:55

Platform

win7-20240221-en

Max time kernel

132s

Max time network

146s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf274f8c9ba0a2e9b51cc341688a1bc827e21e3d52f152bf49380123f70b2a59.dll,#1

Signatures

Emotet

trojan banker emotet

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Owsfsdl\fgfvbb.xwe C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1220 wrote to memory of 2652 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1220 wrote to memory of 2652 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1220 wrote to memory of 2652 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1220 wrote to memory of 2652 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1220 wrote to memory of 2652 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1220 wrote to memory of 2652 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1220 wrote to memory of 2652 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2652 wrote to memory of 3040 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2652 wrote to memory of 3040 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2652 wrote to memory of 3040 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2652 wrote to memory of 3040 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2652 wrote to memory of 3040 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2652 wrote to memory of 3040 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2652 wrote to memory of 3040 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf274f8c9ba0a2e9b51cc341688a1bc827e21e3d52f152bf49380123f70b2a59.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf274f8c9ba0a2e9b51cc341688a1bc827e21e3d52f152bf49380123f70b2a59.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Owsfsdl\fgfvbb.xwe",Control_RunDLL

Network

Country Destination Domain Proto
JP 125.0.215.60:80 tcp
JP 125.0.215.60:80 tcp
IN 163.53.204.180:443 tcp
IN 163.53.204.180:443 tcp
DE 89.163.210.141:8080 tcp
DE 89.163.210.141:8080 tcp

Files

memory/2652-0-0x00000000001E0000-0x0000000000202000-memory.dmp

memory/3040-3-0x00000000001F0000-0x0000000000212000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 09:52

Reported

2024-04-02 09:55

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

163s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf274f8c9ba0a2e9b51cc341688a1bc827e21e3d52f152bf49380123f70b2a59.dll,#1

Signatures

Emotet

trojan banker emotet

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Jmecjcnpbaqvkp\uzqpqpmowjfod.wva C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4648 wrote to memory of 772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4648 wrote to memory of 772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4648 wrote to memory of 772 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 772 wrote to memory of 3192 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 772 wrote to memory of 3192 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 772 wrote to memory of 3192 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf274f8c9ba0a2e9b51cc341688a1bc827e21e3d52f152bf49380123f70b2a59.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf274f8c9ba0a2e9b51cc341688a1bc827e21e3d52f152bf49380123f70b2a59.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Jmecjcnpbaqvkp\uzqpqpmowjfod.wva",Control_RunDLL

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3756 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 142.250.178.10:443 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
GB 23.44.234.16:80 tcp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 57.162.23.2.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 24.66.18.2.in-addr.arpa udp
JP 125.0.215.60:80 tcp
IN 163.53.204.180:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 249.110.86.104.in-addr.arpa udp
DE 89.163.210.141:8080 tcp
TH 203.157.152.9:7080 tcp
US 8.8.8.8:53 16.173.189.20.in-addr.arpa udp
SG 157.245.145.87:443 tcp

Files

memory/772-0-0x0000000002A30000-0x0000000002A52000-memory.dmp

C:\Windows\SysWOW64\Jmecjcnpbaqvkp\uzqpqpmowjfod.wva

MD5 19b0124f2e4f223113bb11a84765a6c3
SHA1 d27bfe2481c74fe0c213456ad3906e96097ab4c6
SHA256 bf274f8c9ba0a2e9b51cc341688a1bc827e21e3d52f152bf49380123f70b2a59
SHA512 c9bd86474c8500d948d7c1af660f60af00cffee8f6525785ad916a669c87386ad23c5955dc8e2dbe666cbdc57b46c4d1e813ced09a61920aeb4f17bc520cd602

memory/3192-4-0x0000000000E40000-0x0000000000E62000-memory.dmp