Malware Analysis Report

2024-09-22 22:06

Sample ID 240614-tt4g1sxhrd
Target aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118
SHA256 d6aa9b85d50f0a171effd9ea4f0c91dcfef7d204ecde55466c7b1dbbc3dd3c64
Tags
emotet 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

d6aa9b85d50f0a171effd9ea4f0c91dcfef7d204ecde55466c7b1dbbc3dd3c64

Threat Level: Known bad

The file aaa7db1933feab160b5a277e1ddfc991_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 Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-14 16:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 16:21

Reported

2024-06-14 16:24

Platform

win7-20231129-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_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\computetabbtn.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\Wpad\7e-a8-ad-78-4a-45 C:\Windows\SysWOW64\computetabbtn.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\computetabbtn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{87DE114B-0D40-45A8-9E4F-C96448148976} C:\Windows\SysWOW64\computetabbtn.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{87DE114B-0D40-45A8-9E4F-C96448148976}\WpadDecisionReason = "1" C:\Windows\SysWOW64\computetabbtn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\computetabbtn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\computetabbtn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\computetabbtn.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{87DE114B-0D40-45A8-9E4F-C96448148976}\WpadDecisionTime = 9011700477beda01 C:\Windows\SysWOW64\computetabbtn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{87DE114B-0D40-45A8-9E4F-C96448148976}\7e-a8-ad-78-4a-45 C:\Windows\SysWOW64\computetabbtn.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-a8-ad-78-4a-45\WpadDecision = "0" C:\Windows\SysWOW64\computetabbtn.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-a8-ad-78-4a-45\WpadDetectedUrl C:\Windows\SysWOW64\computetabbtn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\computetabbtn.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\computetabbtn.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\computetabbtn.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-a8-ad-78-4a-45\WpadDecisionReason = "1" C:\Windows\SysWOW64\computetabbtn.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-a8-ad-78-4a-45\WpadDecisionTime = 9011700477beda01 C:\Windows\SysWOW64\computetabbtn.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\computetabbtn.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{87DE114B-0D40-45A8-9E4F-C96448148976}\WpadDecision = "0" C:\Windows\SysWOW64\computetabbtn.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{87DE114B-0D40-45A8-9E4F-C96448148976}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\computetabbtn.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe"

C:\Windows\SysWOW64\computetabbtn.exe

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

C:\Windows\SysWOW64\computetabbtn.exe

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

Network

Country Destination Domain Proto
GB 94.173.10.64:80 tcp
GB 94.173.10.64:80 tcp
US 128.193.56.6:443 tcp
US 128.193.56.6:443 tcp
TR 95.9.124.227:7080 tcp
TR 95.9.124.227:7080 tcp
US 75.75.150.219:80 tcp

Files

memory/1988-0-0x00000000003E0000-0x00000000003F7000-memory.dmp

memory/1988-4-0x00000000003E0000-0x00000000003F7000-memory.dmp

memory/1988-6-0x0000000000370000-0x0000000000380000-memory.dmp

memory/1988-5-0x00000000003C0000-0x00000000003D7000-memory.dmp

memory/2616-7-0x00000000003B0000-0x00000000003C7000-memory.dmp

memory/2616-11-0x00000000003B0000-0x00000000003C7000-memory.dmp

memory/1988-14-0x00000000003C0000-0x00000000003D7000-memory.dmp

memory/2616-13-0x00000000001E0000-0x00000000001F0000-memory.dmp

memory/2616-12-0x0000000000290000-0x00000000002A7000-memory.dmp

memory/3036-15-0x0000000000830000-0x0000000000847000-memory.dmp

memory/3036-19-0x0000000000830000-0x0000000000847000-memory.dmp

memory/3036-21-0x00000000003F0000-0x0000000000400000-memory.dmp

memory/3036-20-0x0000000000640000-0x0000000000657000-memory.dmp

memory/1212-22-0x00000000002B0000-0x00000000002C7000-memory.dmp

memory/1212-26-0x00000000002B0000-0x00000000002C7000-memory.dmp

memory/2616-28-0x0000000000290000-0x00000000002A7000-memory.dmp

memory/2616-27-0x0000000000400000-0x000000000048C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 16:21

Reported

2024-06-14 16:24

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_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\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aaa7db1933feab160b5a277e1ddfc991_JaffaCakes118.exe"

C:\Windows\SysWOW64\iowacookies.exe

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

C:\Windows\SysWOW64\iowacookies.exe

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

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 --field-trial-handle=4452,i,8998666007764333392,14724298544432336038,262144 --variations-seed-version --mojo-platform-channel-handle=3960 /prefetch:8

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 71.31.126.40.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
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
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
GB 94.173.10.64:80 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
IE 52.111.236.22:443 tcp
US 128.193.56.6:443 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
TR 95.9.124.227:7080 tcp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 75.75.150.219:80 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 198.37.249.160:80 tcp
CA 198.246.28.128:8080 tcp

Files

memory/3328-0-0x00000000005C0000-0x00000000005D7000-memory.dmp

memory/3328-4-0x00000000005C0000-0x00000000005D7000-memory.dmp

memory/3328-5-0x00000000005A0000-0x00000000005B7000-memory.dmp

memory/3328-6-0x0000000002250000-0x0000000002260000-memory.dmp

memory/3948-11-0x00000000020F0000-0x0000000002107000-memory.dmp

memory/3948-7-0x00000000020F0000-0x0000000002107000-memory.dmp

memory/3948-13-0x0000000002110000-0x0000000002120000-memory.dmp

memory/3948-12-0x0000000000650000-0x0000000000667000-memory.dmp

memory/3548-18-0x0000000000690000-0x00000000006A7000-memory.dmp

memory/3548-15-0x0000000000690000-0x00000000006A7000-memory.dmp

memory/3548-20-0x0000000000F10000-0x0000000000F20000-memory.dmp

memory/3548-19-0x0000000000670000-0x0000000000687000-memory.dmp

memory/4492-25-0x0000000000DB0000-0x0000000000DC7000-memory.dmp

memory/4492-21-0x0000000000DB0000-0x0000000000DC7000-memory.dmp

memory/3548-26-0x0000000000670000-0x0000000000687000-memory.dmp

memory/3948-27-0x0000000000400000-0x000000000048C000-memory.dmp

memory/3948-28-0x0000000000650000-0x0000000000667000-memory.dmp