Malware Analysis Report

2024-10-16 05:10

Sample ID 240913-kxbfzavdqn
Target de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118
SHA256 9b2c30dc5aafedd4d20f19b0eb66d74e452c9a7a612304423f3dcd2eb2782c09
Tags
ammyyadmin discovery rat upx
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

9b2c30dc5aafedd4d20f19b0eb66d74e452c9a7a612304423f3dcd2eb2782c09

Threat Level: Known bad

The file de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

ammyyadmin discovery rat upx

Ammyyadmin family

Ammyy Admin

AmmyyAdmin payload

UPX packed file

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-13 08:58

Signatures

AmmyyAdmin payload

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

Ammyyadmin family

ammyyadmin

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-13 08:58

Reported

2024-09-13 09:00

Platform

win7-20240708-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe"

Signatures

Ammyy Admin

rat ammyyadmin

AmmyyAdmin payload

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

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe N/A

UPX packed file

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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\budha.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 maitikio.com udp
US 8.8.8.8:53 cry-havok.org udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp

Files

memory/996-0-0x0000000000400000-0x0000000000410000-memory.dmp

memory/996-1-0x0000000001C60000-0x0000000001C61000-memory.dmp

memory/996-3-0x0000000002AA0000-0x0000000002EA0000-memory.dmp

memory/2336-11-0x0000000000400000-0x0000000000410000-memory.dmp

memory/996-10-0x0000000000400000-0x0000000000410000-memory.dmp

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

MD5 219762133d8ca92ea49d962b7d9ddc24
SHA1 9df6feac7edc83e4ee5a2d8b73e05a2706c7ec6f
SHA256 e9f96a486f48c06fa59b4cd6bd9783a7215ad69e5abcb65861fd1edbd1564cbf
SHA512 1191e892384eab66b0a83cb4f8113c90e3506d73479d63f300c3fcf3be65b40313b54c27d37369423d1b4cca95663ac5630c26df2fb0d6bd9d379ed02334c10a

memory/996-7-0x0000000003360000-0x0000000003370000-memory.dmp

memory/2336-12-0x0000000001BB0000-0x0000000001BB1000-memory.dmp

memory/2336-14-0x0000000000400000-0x0000000000410000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabDC8.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarDEB.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-13 08:58

Reported

2024-09-13 09:00

Platform

win10v2004-20240910-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe"

Signatures

Ammyy Admin

rat ammyyadmin

AmmyyAdmin payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe N/A

Executes dropped EXE

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

UPX packed file

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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\budha.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\de19b0314f824d0a5f4bd9703ffc4382_JaffaCakes118.exe"

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

"C:\Users\Admin\AppData\Local\Temp\budha.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 maitikio.com udp
US 8.8.8.8:53 cry-havok.org udp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 33.148.197.15.in-addr.arpa udp
US 8.8.8.8:53 24.249.124.192.in-addr.arpa udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 maitikio.com udp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 15.197.148.33:443 cry-havok.org tcp
US 8.8.8.8:53 93.65.42.20.in-addr.arpa udp

Files

memory/3640-0-0x0000000000400000-0x0000000000410000-memory.dmp

memory/3640-1-0x0000000000520000-0x0000000000521000-memory.dmp

memory/3640-3-0x00000000026A0000-0x0000000002AA0000-memory.dmp

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

MD5 219762133d8ca92ea49d962b7d9ddc24
SHA1 9df6feac7edc83e4ee5a2d8b73e05a2706c7ec6f
SHA256 e9f96a486f48c06fa59b4cd6bd9783a7215ad69e5abcb65861fd1edbd1564cbf
SHA512 1191e892384eab66b0a83cb4f8113c90e3506d73479d63f300c3fcf3be65b40313b54c27d37369423d1b4cca95663ac5630c26df2fb0d6bd9d379ed02334c10a

memory/3640-11-0x0000000000400000-0x0000000000410000-memory.dmp

memory/2092-13-0x00000000026B0000-0x0000000002AB0000-memory.dmp

memory/2092-12-0x0000000002360000-0x0000000002361000-memory.dmp

memory/2092-20-0x0000000000400000-0x0000000000410000-memory.dmp