Malware Analysis Report

2024-09-22 22:44

Sample ID 240616-pedktswhql
Target b373996aa53271ecc904e4580cc921ed_JaffaCakes118
SHA256 de62f8735c91a2fc8f6141a08e35f7491b26ccbbeaf8119a27a539f17cc8019c
Tags
emotet epoch3 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

de62f8735c91a2fc8f6141a08e35f7491b26ccbbeaf8119a27a539f17cc8019c

Threat Level: Known bad

The file b373996aa53271ecc904e4580cc921ed_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Executes dropped EXE

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-16 12:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 12:14

Reported

2024-06-16 12:16

Platform

win7-20240611-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b373996aa53271ecc904e4580cc921ed_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\C_G18030\whhelper.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\C_G18030\whhelper.exe C:\Users\Admin\AppData\Local\Temp\b373996aa53271ecc904e4580cc921ed_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b373996aa53271ecc904e4580cc921ed_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b373996aa53271ecc904e4580cc921ed_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\C_G18030\whhelper.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b373996aa53271ecc904e4580cc921ed_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b373996aa53271ecc904e4580cc921ed_JaffaCakes118.exe"

C:\Windows\SysWOW64\C_G18030\whhelper.exe

"C:\Windows\SysWOW64\C_G18030\whhelper.exe"

Network

Country Destination Domain Proto
JP 118.110.236.121:8080 tcp
JP 118.110.236.121:8080 tcp
FR 149.202.5.139:443 tcp
FR 149.202.5.139:443 tcp
SG 153.92.4.96:8080 tcp
SG 153.92.4.96:8080 tcp
GB 51.75.163.68:7080 tcp
GB 51.75.163.68:7080 tcp

Files

memory/2292-5-0x0000000000270000-0x0000000000279000-memory.dmp

memory/2292-4-0x0000000000260000-0x0000000000261000-memory.dmp

memory/2292-0-0x0000000000280000-0x000000000028C000-memory.dmp

C:\Windows\SysWOW64\C_G18030\whhelper.exe

MD5 b373996aa53271ecc904e4580cc921ed
SHA1 f000979fa8d0ff9ed1f7c8362b6aef1f1549f905
SHA256 de62f8735c91a2fc8f6141a08e35f7491b26ccbbeaf8119a27a539f17cc8019c
SHA512 b1c5090446e7d6e5e300ea996453efb88867ee8b42a8b3a0836e2dc9f9148766991501079b0028fcbbecbc0e9819bc84f04df4e13dce0f76f7dc505918b238bf

memory/2292-7-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2140-8-0x0000000000430000-0x000000000043C000-memory.dmp

memory/2140-12-0x0000000000430000-0x000000000043C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 12:14

Reported

2024-06-16 12:16

Platform

win10v2004-20240611-en

Max time kernel

140s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b373996aa53271ecc904e4580cc921ed_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Executes dropped EXE

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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\relog\winbio.exe C:\Users\Admin\AppData\Local\Temp\b373996aa53271ecc904e4580cc921ed_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b373996aa53271ecc904e4580cc921ed_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b373996aa53271ecc904e4580cc921ed_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\relog\winbio.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b373996aa53271ecc904e4580cc921ed_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b373996aa53271ecc904e4580cc921ed_JaffaCakes118.exe"

C:\Windows\SysWOW64\relog\winbio.exe

"C:\Windows\SysWOW64\relog\winbio.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
JP 118.110.236.121:8080 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 31.121.18.2.in-addr.arpa udp
FR 149.202.5.139:443 tcp
SG 153.92.4.96:8080 tcp
GB 51.75.163.68:7080 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
GB 46.32.229.152:8080 tcp
US 192.241.220.183:8080 tcp
US 173.94.215.84:80 tcp

Files

memory/4496-0-0x0000000000950000-0x000000000095C000-memory.dmp

memory/4496-5-0x0000000000940000-0x0000000000949000-memory.dmp

memory/4496-4-0x0000000000930000-0x0000000000931000-memory.dmp

memory/4496-6-0x0000000000400000-0x0000000000428000-memory.dmp

C:\Windows\SysWOW64\relog\winbio.exe

MD5 b373996aa53271ecc904e4580cc921ed
SHA1 f000979fa8d0ff9ed1f7c8362b6aef1f1549f905
SHA256 de62f8735c91a2fc8f6141a08e35f7491b26ccbbeaf8119a27a539f17cc8019c
SHA512 b1c5090446e7d6e5e300ea996453efb88867ee8b42a8b3a0836e2dc9f9148766991501079b0028fcbbecbc0e9819bc84f04df4e13dce0f76f7dc505918b238bf

memory/332-8-0x0000000000990000-0x000000000099C000-memory.dmp

memory/332-12-0x0000000000990000-0x000000000099C000-memory.dmp