flawedammyy | 80d99ecd3257ffbea3f4eab3ad67a0925670700896a6e8fec5e334f67398e1f3

Analysis

max time kernel
150s
max time network
140s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-05-2024 04:33

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General

Target

7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe
Size

756KB
MD5

7f80b6c61c6849a43f28cafd75b4f8a6
SHA1

bddb2615c0d77763d6b67a4518646d40afb46fda
SHA256

80d99ecd3257ffbea3f4eab3ad67a0925670700896a6e8fec5e334f67398e1f3
SHA512

4b8594b6a3597dc9c10cbe873d022f2b6b0b67e28be92f9479f07fb3f643c7286d414a3f0b611daab4cc50a91e18e34263f5007400ba31e921f1d1926bb0181e
SSDEEP

12288:cX5PFc+E0SlpOvcC1KL/q/IZVURtCdshX5x8jR31QEY0VE+gP:+P++ZSlpOUC1KT4+URtYshX5aRlQEYrP

Score

10^/10

flawedammyy trojan

Malware Config

Signatures

FlawedAmmyy RAT
Remote-access trojan based on leaked code for the Ammyy remote admin software.
trojan flawedammyy

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Control Panel\International\Geo\Nation	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin\hr3 = 148bccaac338109fd7b376b88401036b78d1c032dae94c5d82d820ff7bf1a2b1c1b5278dacb4adfe5178a858fd8baddfff5438c2de8cf341185c3ccda4c0d12ba97353f5	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe

pid process

1208 7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe

pid process

1208 7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe

pid	process
1208	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe

pid	process
1208	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe

description	pid	process	target process
PID 1768 wrote to memory of 1208	1768	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe
PID 1768 wrote to memory of 1208	1768	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe
PID 1768 wrote to memory of 1208	1768	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe
PID 1768 wrote to memory of 1208	1768	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe	7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe"
1⤵
PID:1964

C:\Users\Admin\AppData\Local\Temp\7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe" -service -lunch
1⤵
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\7f80b6c61c6849a43f28cafd75b4f8a6_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Modifies data under HKEY_USERS
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:1208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\AMMYY\settings3.bin

Filesize
358B

MD5
7f8803567514be9f7adedd51a77c414d

SHA1
6fddccda062b8553e15845e72ad62e79ced9905b

SHA256
bbd09f97009a10db7814c309a10a7737d0d9ccd182ba5dc86e18e473f222b3b8

SHA512
966a4f56263959f63bb4ef30c9d1f506251f9c7bfd3fa3a0c98f28ea872add81b118a9aecb433e3d72eb24dae09aea4e656d46324577a94e25122d5cc3d774ee

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