Malware Analysis Report

2024-10-16 05:08

Sample ID 240930-vd5wkszcjh
Target 025754318db94857d12110b010fe457d_JaffaCakes118
SHA256 b88f6c305d8066f04f98419a2705f82976e225b886d0d621ec9aa6fa33c6956f
Tags
ammyyadmin flawedammyy discovery rat 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

b88f6c305d8066f04f98419a2705f82976e225b886d0d621ec9aa6fa33c6956f

Threat Level: Known bad

The file 025754318db94857d12110b010fe457d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

ammyyadmin flawedammyy discovery rat trojan

Ammyyadmin family

FlawedAmmyy RAT

AmmyyAdmin payload

Ammyy Admin

Loads dropped DLL

ACProtect 1.3x - 1.4x DLL software

Checks computer location settings

Unsigned PE

System Location Discovery: System Language Discovery

Modifies data under HKEY_USERS

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-30 16:53

Signatures

AmmyyAdmin payload

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

Ammyyadmin family

ammyyadmin

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-30 16:53

Reported

2024-09-30 16:56

Platform

win7-20240903-en

Max time kernel

150s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe"

Signatures

Ammyy Admin

rat ammyyadmin

AmmyyAdmin payload

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

FlawedAmmyy RAT

trojan flawedammyy

ACProtect 1.3x - 1.4x DLL software

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-1-5-21-457978338-2990298471-2379561640-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A

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\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr = 537d567366087c6658524c17525317257079114cb36b C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr3 = 4f953a6d1729f07e01897713acaae0ebdc608742756342ab69ffafad28690fa1fe00474622881aca98c7119a2c0eda39bc6dfbe0c21868f971e06deecde224349bdad55364317ab52b5784 C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 rl.ammyy.com udp
NL 188.42.129.148:80 rl.ammyy.com tcp
DE 136.243.104.235:443 tcp

Files

memory/2340-0-0x0000000000400000-0x00000000004B9000-memory.dmp

\Users\Admin\AppData\Local\Temp\yll6EF9.tmp

MD5 685f1cbd4af30a1d0c25f252d399a666
SHA1 6a1b978f5e6150b88c8634146f1406ed97d2f134
SHA256 0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4
SHA512 6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

memory/2340-4-0x00000000005A0000-0x0000000000613000-memory.dmp

memory/2820-11-0x0000000000300000-0x0000000000373000-memory.dmp

memory/2820-12-0x0000000001320000-0x00000000013D9000-memory.dmp

memory/2820-15-0x0000000000300000-0x0000000000373000-memory.dmp

memory/2820-14-0x0000000000400000-0x00000000004B9000-memory.dmp

memory/2340-19-0x00000000005A0000-0x0000000000613000-memory.dmp

memory/2340-18-0x0000000000400000-0x00000000004B9000-memory.dmp

C:\ProgramData\AMMYY\settings3.bin

MD5 097a18ed7b31114c7ef39ef06eff02f0
SHA1 276bb5fc8ab72ed3a447dd57be668ace8f75a7c1
SHA256 985b458559939244b777d09d71d6192a13f693b88b046ca904012603a5582812
SHA512 168ef05ddb434dd4003748c7cd6ea9ed5c8280506de4473c3b193fffc314b469e85e2474f919f189c9b7ffb16aa741d75900341a9802dae175ad185e1fea3e96

memory/2720-22-0x00000000007B0000-0x0000000000823000-memory.dmp

C:\ProgramData\AMMYY\hr

MD5 f258b93a7438ddf48d1cc25fba99d44e
SHA1 de29637462d7f2325f2c96cc9cdb3efe440923d9
SHA256 783b30f0cb4f33335a3206268e0a181caa5ef8c8fb0381bf9b2943450fdc4487
SHA512 e7a61aa9cba059d3c1c48c1b5523c008cc5b00e7e370a0b05196eaf70ad364ef468c837c45cc06f5dadd67663204e1dddc2a17f1fe525e4f4e820ec8d5cd79ce

C:\ProgramData\AMMYY\hr3

MD5 3b7c43598bbc8bc27863266c82c6e224
SHA1 f00e8d30f16000ba80768d29654baeb9143e0865
SHA256 b25edba7aa378ecd77d5870761302fdc0dd291bf9ee86eedd5dc0d8b0afc8e49
SHA512 a530cec0942fabb6b9bec90b9dafd0a30130d76ef09f48b3ea3cd7d54c4aba2a9a991e8a0ead2bf8360f215fbeed8f4981cb80d547e8a403c9901f271af1bfe4

memory/2720-29-0x0000000000400000-0x00000000004B9000-memory.dmp

memory/2720-30-0x00000000007B0000-0x0000000000823000-memory.dmp

memory/2720-36-0x00000000007B0000-0x0000000000823000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-30 16:53

Reported

2024-09-30 16:56

Platform

win10v2004-20240910-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe"

Signatures

Ammyy Admin

rat ammyyadmin

AmmyyAdmin payload

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

FlawedAmmyy RAT

trojan flawedammyy

ACProtect 1.3x - 1.4x DLL software

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\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A

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\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr = 537d567366087c6658524c17525367faf378114cb36b C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr3 = 34bbe8d3b54c02077342bcc109b8c69975951b6ce9b4640b2b989da4518edd7254f155ab5ef47926645087f0b896ad4a043e36e2b9625d0d318b74fd06b54243381af76ce7fc817923ed3a C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Ammyy C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe" -service -lunch

C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\025754318db94857d12110b010fe457d_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 rl.ammyy.com udp
NL 188.42.129.148:80 rl.ammyy.com tcp
DE 136.243.104.235:443 tcp
US 8.8.8.8:53 148.129.42.188.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 235.104.243.136.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 98.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/1948-0-0x0000000000400000-0x00000000004B9000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\api9B07.tmp

MD5 685f1cbd4af30a1d0c25f252d399a666
SHA1 6a1b978f5e6150b88c8634146f1406ed97d2f134
SHA256 0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4
SHA512 6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

memory/1948-7-0x00000000022B0000-0x0000000002323000-memory.dmp

memory/1948-8-0x00000000022B0000-0x0000000002323000-memory.dmp

memory/4208-17-0x0000000000DF0000-0x0000000000E63000-memory.dmp

memory/4208-18-0x0000000000DF0000-0x0000000000E63000-memory.dmp

C:\ProgramData\AMMYY\settings3.bin

MD5 097a18ed7b31114c7ef39ef06eff02f0
SHA1 276bb5fc8ab72ed3a447dd57be668ace8f75a7c1
SHA256 985b458559939244b777d09d71d6192a13f693b88b046ca904012603a5582812
SHA512 168ef05ddb434dd4003748c7cd6ea9ed5c8280506de4473c3b193fffc314b469e85e2474f919f189c9b7ffb16aa741d75900341a9802dae175ad185e1fea3e96

memory/4208-27-0x0000000000400000-0x00000000004B9000-memory.dmp

memory/1948-30-0x0000000000400000-0x00000000004B9000-memory.dmp

memory/4208-25-0x0000000000DF0000-0x0000000000E63000-memory.dmp

memory/1948-29-0x00000000022B0000-0x0000000002323000-memory.dmp

memory/1964-26-0x00000000020F0000-0x0000000002163000-memory.dmp

C:\ProgramData\AMMYY\hr

MD5 155101a05a2cc76e4d2c746c5eac34ef
SHA1 5335f3fcd2e71f6135b4823752e13507c48c274a
SHA256 9aa30e5db30407fc32f26650c17e1804de2d29d4252edde0008bd27cd65b69c0
SHA512 b27641bfe7ed18b1ed8cb0d480b5c1e5ceb5dee4620c1c738e01db06295c6d48b8698ae420a42b490583278ee8166ea1d32a6e92520ea52169a28dc5945e9f5b

C:\ProgramData\AMMYY\hr3

MD5 15198d1c17607cb906658627232b3586
SHA1 b9a2ffe3b6abfdfef32addb702d9c78270ada8db
SHA256 46b2c199720c2544201ab5dee0db5ac545892c38a5cad06662ba14122e5be162
SHA512 bfa95f2ad565fc266ad19360840c606ebf93fe759cc6f8abbd284d49e95320e6c13075059ea20e87ae23724f8cc0b1ae95db92dcd9d734260fe9bcaa841a4540

memory/1964-35-0x0000000000400000-0x00000000004B9000-memory.dmp

memory/1964-36-0x00000000020F0000-0x0000000002163000-memory.dmp

memory/1964-49-0x00000000020F0000-0x0000000002163000-memory.dmp