Malware Analysis Report

2024-09-22 22:17

Sample ID 240616-gekedawbkl
Target b1f7760e195be336cc508a5a73c7219e_JaffaCakes118
SHA256 40d164642df6cdb5d5589c7e807fec631f205c04826a462db4baa0f32abc90d8
Tags
emotet epoch1 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

40d164642df6cdb5d5589c7e807fec631f205c04826a462db4baa0f32abc90d8

Threat Level: Known bad

The file b1f7760e195be336cc508a5a73c7219e_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker trojan

Emotet

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

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

2024-06-16 05:43

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 05:43

Reported

2024-06-16 05:45

Platform

win7-20240611-en

Max time kernel

148s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b1f7760e195be336cc508a5a73c7219e_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\sndcpls.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\sndcpls.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00bb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\sndcpls.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-20-20-d6-10-01 C:\Windows\SysWOW64\sndcpls.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\sndcpls.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\sndcpls.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\sndcpls.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\sndcpls.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\sndcpls.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7415332-BB69-436C-8B2B-1653AF4E6467} C:\Windows\SysWOW64\sndcpls.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7415332-BB69-436C-8B2B-1653AF4E6467}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\sndcpls.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\sndcpls.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7415332-BB69-436C-8B2B-1653AF4E6467}\WpadDecisionReason = "1" C:\Windows\SysWOW64\sndcpls.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7415332-BB69-436C-8B2B-1653AF4E6467}\WpadDecisionTime = 90db1d25b0bfda01 C:\Windows\SysWOW64\sndcpls.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7415332-BB69-436C-8B2B-1653AF4E6467}\3a-20-20-d6-10-01 C:\Windows\SysWOW64\sndcpls.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-20-20-d6-10-01\WpadDecisionReason = "1" C:\Windows\SysWOW64\sndcpls.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-20-20-d6-10-01\WpadDecisionTime = 90db1d25b0bfda01 C:\Windows\SysWOW64\sndcpls.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-20-20-d6-10-01\WpadDecision = "0" C:\Windows\SysWOW64\sndcpls.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\sndcpls.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\sndcpls.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\sndcpls.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7415332-BB69-436C-8B2B-1653AF4E6467}\WpadDecision = "0" C:\Windows\SysWOW64\sndcpls.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b1f7760e195be336cc508a5a73c7219e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b1f7760e195be336cc508a5a73c7219e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b1f7760e195be336cc508a5a73c7219e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b1f7760e195be336cc508a5a73c7219e_JaffaCakes118.exe

--a219e0f1

C:\Windows\SysWOW64\sndcpls.exe

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

C:\Windows\SysWOW64\sndcpls.exe

--7c409873

Network

Country Destination Domain Proto
VE 190.217.1.149:80 tcp
VE 190.217.1.149:80 tcp
ZW 154.120.227.206:8080 tcp
ZW 154.120.227.206:8080 tcp
US 45.56.79.249:443 45.56.79.249 tcp
FR 163.172.40.218:7080 tcp

Files

\ProgramData\cvxgdfade.sxcase

MD5 7515990e5cf49d79dbb65cb29cb6bd0e
SHA1 946963e51015338c47d291eb83a8906c973c8ff2
SHA256 6baf14aa638dca00fcc9e0175c1470a99f637811034059ce6cf0129bf41408fd
SHA512 cb7a078335e801dbef6171af073f7670d236a0ccf9286e49eeb95c1be2a37ed2d154b573ac1bfd3eb0e996a6af6de73935ba4e3341d86cf020c45d97d0cea8f3

memory/2264-5-0x0000000000310000-0x0000000000327000-memory.dmp

memory/2264-11-0x00000000002F0000-0x0000000000301000-memory.dmp

memory/2264-10-0x0000000000400000-0x0000000000479000-memory.dmp

memory/3048-18-0x00000000001F0000-0x0000000000207000-memory.dmp

memory/2576-25-0x00000000002D0000-0x00000000002E7000-memory.dmp

memory/2576-30-0x0000000000400000-0x0000000000479000-memory.dmp

memory/3048-31-0x0000000000400000-0x0000000000479000-memory.dmp

\ProgramData\cvxgdfade.sxcase

MD5 c4806b7b1f89ebc827c960e155fa5f6a
SHA1 d21618b66ca1af56b09ad96eece868536b0771fe
SHA256 1b3303d4d6cd6160e76c47e539c41bc369ba53b5757133a9b94d16a24e42c148
SHA512 06c83264010be52f0e73fa09f1fd4a397d0e47c8b1d5a5f6abf292194f0456f7b9b3d3368c8213742e89bb62a71e91811a72fa0c5b5786370bbd813201fde9b0

memory/2716-37-0x0000000000610000-0x0000000000627000-memory.dmp

memory/2716-42-0x0000000000400000-0x0000000000479000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 05:43

Reported

2024-06-16 05:45

Platform

win10v2004-20240508-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b1f7760e195be336cc508a5a73c7219e_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\History\History.IE5 C:\Windows\SysWOW64\clwhand.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\clwhand.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\clwhand.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\clwhand.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\clwhand.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\clwhand.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\clwhand.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b1f7760e195be336cc508a5a73c7219e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b1f7760e195be336cc508a5a73c7219e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b1f7760e195be336cc508a5a73c7219e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b1f7760e195be336cc508a5a73c7219e_JaffaCakes118.exe

--a219e0f1

C:\Windows\SysWOW64\clwhand.exe

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

C:\Windows\SysWOW64\clwhand.exe

--2f430693

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 --field-trial-handle=4068,i,1809100026287847100,9768898026582633513,262144 --variations-seed-version --mojo-platform-channel-handle=3808 /prefetch:8

Network

Country Destination Domain Proto
VE 190.217.1.149:80 tcp
ZW 154.120.227.206:8080 tcp
US 45.56.79.249:443 tcp
FR 163.172.40.218:7080 tcp
DE 79.143.182.254:8080 tcp

Files

C:\ProgramData\cvxgdfade.sxcase

MD5 64ea168168e9e1fc796366a4102e9f22
SHA1 aa6c4e13d30102b6eeaa12abb1a6adb65d6f1a12
SHA256 644fe226c6ef62f9bf84da605b68f0e78ae0a166f8edbc6fb86613bb051418a7
SHA512 c056c96d70a126469a6836f571eb1427562884143fdf528bcb58ffab21004014fae8a5fac241f1af549e820fd0b266236019528da352c60d0349817d4f7de461

memory/1076-6-0x00000000026A0000-0x00000000026B7000-memory.dmp

memory/1076-12-0x0000000000400000-0x0000000000479000-memory.dmp

memory/1076-11-0x0000000002680000-0x0000000002691000-memory.dmp

memory/3152-20-0x00000000028E0000-0x00000000028F7000-memory.dmp

memory/2628-27-0x0000000001260000-0x0000000001277000-memory.dmp

memory/2628-32-0x0000000000400000-0x0000000000479000-memory.dmp

memory/3152-33-0x0000000000400000-0x0000000000479000-memory.dmp

C:\ProgramData\cvxgdfade.sxcase

MD5 17cd54fd478a741c03af8de58f653c7d
SHA1 02a7df7c8a998f63ff5bec63ac008a1fe5177f94
SHA256 c1eb283f0c02fc17ca560e1f5d318bb5f7648ccd803cab1a2445d9c75e245b86
SHA512 0ae39fcaade34cd61e9e1823da50622a3257320f6b2f8dc705be3edd1ecb60a4db07cb5edaa7925a0f3d2d21335668e3321fb6a653310648f6b348f4476a6efd

memory/1412-40-0x0000000001580000-0x0000000001597000-memory.dmp

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\27c0738ed88ae919a1711a9b1324b5a5_d2547453-e731-4fdf-8f92-95f955a44aca

MD5 dd78062e166a7d28ea259d66acf16e7b
SHA1 b4799b14e9c354d2f2e954906c8a2ebf1262388d
SHA256 02d89b3d50c411c1ad7b4d2555f08620bccc5132adb6c965c043912489cbce8a
SHA512 2973d854e2c4288ed671a9b92ad97e161811112800d070bdf6d6f482bfe696cfcc7104ffa2a2102900a9a0fda02d558ecb15744cd5a7fb84b4948b7278edfb49

memory/1412-45-0x0000000000400000-0x0000000000479000-memory.dmp