Malware Analysis Report

2025-01-03 06:14

Sample ID 240522-gnaxased6v
Target 663bd5680043ed438a43cbcf80379654_JaffaCakes118
SHA256 987c0d5b77345fdb979da45817424b80f08416ece53e67693b80c041228ae37e
Tags
emotet 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

987c0d5b77345fdb979da45817424b80f08416ece53e67693b80c041228ae37e

Threat Level: Known bad

The file 663bd5680043ed438a43cbcf80379654_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-22 05:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 05:56

Reported

2024-05-22 05:59

Platform

win7-20240221-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\663bd5680043ed438a43cbcf80379654_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat C:\Windows\SysWOW64\packmheg.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\packmheg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\packmheg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\packmheg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\packmheg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5F7BB961-67A2-4A1B-9EFF-8A5307526C7A} C:\Windows\SysWOW64\packmheg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5F7BB961-67A2-4A1B-9EFF-8A5307526C7A}\WpadDecision = "0" C:\Windows\SysWOW64\packmheg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-c0-4c-d7-22-e7 C:\Windows\SysWOW64\packmheg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\packmheg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\packmheg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-c0-4c-d7-22-e7\WpadDecisionTime = 00cc8bdb0cacda01 C:\Windows\SysWOW64\packmheg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-c0-4c-d7-22-e7\WpadDecision = "0" C:\Windows\SysWOW64\packmheg.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-c0-4c-d7-22-e7\WpadDetectedUrl C:\Windows\SysWOW64\packmheg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\packmheg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5F7BB961-67A2-4A1B-9EFF-8A5307526C7A}\WpadDecisionReason = "1" C:\Windows\SysWOW64\packmheg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5F7BB961-67A2-4A1B-9EFF-8A5307526C7A}\WpadDecisionTime = 00cc8bdb0cacda01 C:\Windows\SysWOW64\packmheg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5F7BB961-67A2-4A1B-9EFF-8A5307526C7A}\66-c0-4c-d7-22-e7 C:\Windows\SysWOW64\packmheg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-c0-4c-d7-22-e7\WpadDecisionReason = "1" C:\Windows\SysWOW64\packmheg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\packmheg.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5F7BB961-67A2-4A1B-9EFF-8A5307526C7A}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\packmheg.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\663bd5680043ed438a43cbcf80379654_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\663bd5680043ed438a43cbcf80379654_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\663bd5680043ed438a43cbcf80379654_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\663bd5680043ed438a43cbcf80379654_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\663bd5680043ed438a43cbcf80379654_JaffaCakes118.exe"

C:\Windows\SysWOW64\packmheg.exe

"C:\Windows\SysWOW64\packmheg.exe"

C:\Windows\SysWOW64\packmheg.exe

"C:\Windows\SysWOW64\packmheg.exe"

Network

Country Destination Domain Proto
CA 192.226.247.73:7080 tcp
CA 192.226.247.73:7080 tcp
IN 202.134.191.142:443 tcp
IN 202.134.191.142:443 tcp
CA 184.149.48.160:8443 tcp
CA 184.149.48.160:8443 tcp
CO 181.48.19.4:8080 tcp
CO 181.48.19.4:8080 tcp

Files

memory/2876-0-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2876-2-0x0000000002200000-0x0000000002216000-memory.dmp

memory/2876-6-0x0000000002200000-0x0000000002216000-memory.dmp

memory/2876-8-0x0000000002220000-0x0000000002240000-memory.dmp

memory/2876-7-0x00000000021E0000-0x00000000021F6000-memory.dmp

memory/2876-9-0x0000000002240000-0x0000000002264000-memory.dmp

memory/2988-10-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2988-16-0x00000000003A0000-0x00000000003B6000-memory.dmp

memory/2988-20-0x00000000003C0000-0x00000000003E0000-memory.dmp

memory/2988-19-0x0000000000380000-0x0000000000396000-memory.dmp

memory/2876-18-0x00000000021E0000-0x00000000021F6000-memory.dmp

memory/2876-17-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2988-12-0x00000000003A0000-0x00000000003B6000-memory.dmp

memory/2564-26-0x0000000000470000-0x0000000000486000-memory.dmp

memory/2564-22-0x0000000000470000-0x0000000000486000-memory.dmp

memory/2564-27-0x00000000003E0000-0x00000000003F6000-memory.dmp

memory/2564-29-0x00000000004B0000-0x00000000004D4000-memory.dmp

memory/2564-28-0x0000000000490000-0x00000000004B0000-memory.dmp

memory/2576-35-0x0000000000570000-0x0000000000586000-memory.dmp

memory/2576-31-0x0000000000570000-0x0000000000586000-memory.dmp

memory/2576-37-0x0000000000590000-0x00000000005B0000-memory.dmp

memory/2576-36-0x0000000000550000-0x0000000000566000-memory.dmp

memory/2988-39-0x0000000000380000-0x0000000000396000-memory.dmp

memory/2576-40-0x0000000000550000-0x0000000000566000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 05:56

Reported

2024-05-22 05:59

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\663bd5680043ed438a43cbcf80379654_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\663bd5680043ed438a43cbcf80379654_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\663bd5680043ed438a43cbcf80379654_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\663bd5680043ed438a43cbcf80379654_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\663bd5680043ed438a43cbcf80379654_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\663bd5680043ed438a43cbcf80379654_JaffaCakes118.exe"

C:\Windows\SysWOW64\oldroyale.exe

"C:\Windows\SysWOW64\oldroyale.exe"

C:\Windows\SysWOW64\oldroyale.exe

"C:\Windows\SysWOW64\oldroyale.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
CA 192.226.247.73:7080 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
IN 202.134.191.142:443 tcp
CA 184.149.48.160:8443 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
CO 181.48.19.4:8080 tcp
PE 190.233.119.42:8090 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
MX 189.193.88.137:80 tcp
GB 51.52.210.93:80 tcp
US 8.8.8.8:53 udp

Files

memory/3272-0-0x0000000000400000-0x0000000000424000-memory.dmp

memory/3272-2-0x0000000001FF0000-0x0000000002006000-memory.dmp

memory/3272-6-0x0000000001FF0000-0x0000000002006000-memory.dmp

memory/1208-12-0x00000000020A0000-0x00000000020B6000-memory.dmp

memory/3272-18-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1208-17-0x00000000020C0000-0x00000000020E0000-memory.dmp

memory/1208-16-0x0000000002080000-0x0000000002096000-memory.dmp

memory/1208-15-0x0000000000400000-0x0000000000424000-memory.dmp

memory/3272-14-0x0000000002010000-0x0000000002030000-memory.dmp

memory/3272-13-0x0000000001FD0000-0x0000000001FE6000-memory.dmp

memory/1208-8-0x00000000020A0000-0x00000000020B6000-memory.dmp

memory/3528-24-0x00000000005D0000-0x00000000005E6000-memory.dmp

memory/3528-20-0x00000000005D0000-0x00000000005E6000-memory.dmp

memory/3528-27-0x0000000000D70000-0x0000000000D90000-memory.dmp

memory/3528-26-0x00000000005B0000-0x00000000005C6000-memory.dmp

memory/3528-25-0x0000000000400000-0x0000000000424000-memory.dmp

memory/3204-33-0x0000000000D50000-0x0000000000D66000-memory.dmp

memory/3204-29-0x0000000000D50000-0x0000000000D66000-memory.dmp

memory/3204-35-0x0000000000D70000-0x0000000000D90000-memory.dmp

memory/3528-36-0x00000000005B0000-0x00000000005C6000-memory.dmp

memory/3204-34-0x0000000000D30000-0x0000000000D46000-memory.dmp

memory/1208-38-0x0000000002080000-0x0000000002096000-memory.dmp

memory/3204-39-0x0000000000D30000-0x0000000000D46000-memory.dmp