Malware Analysis Report

2025-01-03 05:37

Sample ID 240714-nthmnayelp
Target 45a8fc654f265ef5b9edb9d54aeafebe_JaffaCakes118
SHA256 8422b3637b1cf8954bc08648dbe8f9cd56fbdcede95c457bf412e09bcbd18691
Tags
emotet banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8422b3637b1cf8954bc08648dbe8f9cd56fbdcede95c457bf412e09bcbd18691

Threat Level: Known bad

The file 45a8fc654f265ef5b9edb9d54aeafebe_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-14 11:41

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-14 11:41

Reported

2024-07-14 11:43

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\45a8fc654f265ef5b9edb9d54aeafebe_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\45a8fc654f265ef5b9edb9d54aeafebe_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\45a8fc654f265ef5b9edb9d54aeafebe_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\45a8fc654f265ef5b9edb9d54aeafebe_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\45a8fc654f265ef5b9edb9d54aeafebe_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\45a8fc654f265ef5b9edb9d54aeafebe_JaffaCakes118.exe"

C:\Windows\SysWOW64\idlform.exe

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

C:\Windows\SysWOW64\idlform.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
PL 147.135.210.39:8080 tcp
CA 167.114.210.191:8080 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 12.235.180.10:22 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 173.8.8.73:80 tcp
US 12.235.180.10:8090 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 173.8.8.73:80 tcp
ZA 197.245.16.149:443 tcp
US 12.154.104.17:80 tcp

Files

memory/2984-0-0x0000000002190000-0x00000000021AA000-memory.dmp

memory/2984-5-0x00000000021B0000-0x00000000021CA000-memory.dmp

memory/2984-1-0x00000000021B0000-0x00000000021CA000-memory.dmp

memory/3428-7-0x00000000006D0000-0x00000000006EA000-memory.dmp

memory/3428-11-0x00000000006D0000-0x00000000006EA000-memory.dmp

memory/3428-13-0x00000000006F0000-0x0000000000710000-memory.dmp

memory/2984-14-0x0000000002190000-0x00000000021AA000-memory.dmp

memory/3428-12-0x00000000006B0000-0x00000000006CA000-memory.dmp

memory/2984-6-0x00000000021D0000-0x00000000021F0000-memory.dmp

memory/1824-15-0x0000000000D60000-0x0000000000D7A000-memory.dmp

memory/1824-19-0x0000000000D60000-0x0000000000D7A000-memory.dmp

memory/1824-21-0x0000000000D80000-0x0000000000DA0000-memory.dmp

memory/1824-20-0x0000000000D40000-0x0000000000D5A000-memory.dmp

memory/1232-26-0x0000000000D40000-0x0000000000D5A000-memory.dmp

memory/1232-22-0x0000000000D40000-0x0000000000D5A000-memory.dmp

memory/1232-28-0x0000000000D60000-0x0000000000D80000-memory.dmp

memory/1232-27-0x00000000005A0000-0x00000000005BA000-memory.dmp

memory/1824-29-0x0000000000D40000-0x0000000000D5A000-memory.dmp

memory/3428-30-0x0000000000400000-0x0000000000424000-memory.dmp

memory/3428-31-0x00000000006B0000-0x00000000006CA000-memory.dmp

memory/1232-32-0x00000000005A0000-0x00000000005BA000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-14 11:41

Reported

2024-07-14 11:43

Platform

win7-20240705-en

Max time kernel

135s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\45a8fc654f265ef5b9edb9d54aeafebe_JaffaCakes118.exe"

Signatures

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\diagculture.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{822233E7-C395-4D5B-AE57-CAB8421974CB}\WpadDecisionReason = "1" C:\Windows\SysWOW64\diagculture.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{822233E7-C395-4D5B-AE57-CAB8421974CB}\WpadDecision = "0" C:\Windows\SysWOW64\diagculture.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{822233E7-C395-4D5B-AE57-CAB8421974CB}\26-17-f6-74-54-4b C:\Windows\SysWOW64\diagculture.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-17-f6-74-54-4b\WpadDecisionTime = 80dbaec9e2d5da01 C:\Windows\SysWOW64\diagculture.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\diagculture.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\diagculture.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\diagculture.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{822233E7-C395-4D5B-AE57-CAB8421974CB} C:\Windows\SysWOW64\diagculture.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-17-f6-74-54-4b\WpadDecisionReason = "1" C:\Windows\SysWOW64\diagculture.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-17-f6-74-54-4b\WpadDecision = "0" C:\Windows\SysWOW64\diagculture.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{822233E7-C395-4D5B-AE57-CAB8421974CB}\WpadDecisionTime = 2070c4e8e2d5da01 C:\Windows\SysWOW64\diagculture.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\diagculture.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\diagculture.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-17-f6-74-54-4b\WpadDecisionTime = 2070c4e8e2d5da01 C:\Windows\SysWOW64\diagculture.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\diagculture.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\diagculture.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{822233E7-C395-4D5B-AE57-CAB8421974CB}\WpadDecisionTime = 80dbaec9e2d5da01 C:\Windows\SysWOW64\diagculture.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{822233E7-C395-4D5B-AE57-CAB8421974CB}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\diagculture.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-17-f6-74-54-4b C:\Windows\SysWOW64\diagculture.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-17-f6-74-54-4b\WpadDetectedUrl C:\Windows\SysWOW64\diagculture.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\diagculture.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\diagculture.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\45a8fc654f265ef5b9edb9d54aeafebe_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\45a8fc654f265ef5b9edb9d54aeafebe_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\45a8fc654f265ef5b9edb9d54aeafebe_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\45a8fc654f265ef5b9edb9d54aeafebe_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\45a8fc654f265ef5b9edb9d54aeafebe_JaffaCakes118.exe"

C:\Windows\SysWOW64\diagculture.exe

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

C:\Windows\SysWOW64\diagculture.exe

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

Network

Country Destination Domain Proto
PL 147.135.210.39:8080 tcp
PL 147.135.210.39:8080 tcp
CA 167.114.210.191:8080 tcp
CA 167.114.210.191:8080 tcp
US 12.235.180.10:22 tcp
US 12.235.180.10:22 tcp
MX 187.138.90.97:465 tcp
MX 187.138.90.97:465 tcp
US 173.8.8.73:80 tcp
US 173.8.8.73:80 tcp

Files

memory/2296-0-0x0000000000260000-0x000000000027A000-memory.dmp

memory/2296-4-0x0000000000260000-0x000000000027A000-memory.dmp

memory/2296-6-0x0000000000280000-0x00000000002A0000-memory.dmp

memory/2296-5-0x0000000000240000-0x000000000025A000-memory.dmp

memory/2408-12-0x0000000000260000-0x000000000027A000-memory.dmp

memory/2408-14-0x00000000005E0000-0x0000000000600000-memory.dmp

memory/2296-13-0x0000000000240000-0x000000000025A000-memory.dmp

memory/2408-11-0x00000000005C0000-0x00000000005DA000-memory.dmp

memory/2408-7-0x00000000005C0000-0x00000000005DA000-memory.dmp

memory/2796-19-0x00000000003E0000-0x00000000003FA000-memory.dmp

memory/2796-15-0x00000000003E0000-0x00000000003FA000-memory.dmp

memory/2796-21-0x0000000000430000-0x0000000000450000-memory.dmp

memory/2796-20-0x0000000000250000-0x000000000026A000-memory.dmp

memory/988-26-0x00000000003E0000-0x00000000003FA000-memory.dmp

memory/988-22-0x00000000003E0000-0x00000000003FA000-memory.dmp

memory/2408-27-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2408-28-0x0000000000260000-0x000000000027A000-memory.dmp

memory/988-30-0x00000000004F0000-0x0000000000510000-memory.dmp

memory/988-29-0x0000000000250000-0x000000000026A000-memory.dmp

memory/988-31-0x0000000000250000-0x000000000026A000-memory.dmp