flawedammyy | 9ad323b95112e72c7a8eacb9cad47257bf27da4d92e61f9747171d10c276e8d0

Analysis

max time kernel
150s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2024 06:36

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General

Target

cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Size

643KB
MD5

cee61f99f9b0b9e118ff49d8405ece85
SHA1

2eeaa9117704d6103374db01a2117c3c3a42df30
SHA256

9ad323b95112e72c7a8eacb9cad47257bf27da4d92e61f9747171d10c276e8d0
SHA512

7db52166318d13c7ba4a4df551bcc1e0c034273b3a4e87837fc227c02f76fb448865ca7330e98e7005dba013d999949bf30869d2c47c9c0cf00c9ec8fe1b6519
SSDEEP

12288:4TW0zR/9lThgzEkrJlNJy2GlcC2g2vRtdDxOtNbsJ06WiIg9:olT2ZJlNg2nvvRtpxOzbI0NiN9

Score

10^/10

flawedammyy discovery 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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe

Drops file in System32 directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\A82946818BB0433A7DC1AFD2189B16AF	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\A82946818BB0433A7DC1AFD2189B16AF	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeBackupPrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
Token: SeRestorePrivilege	5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
5104	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3920 wrote to memory of 5104	3920	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe	85
PID 3920 wrote to memory of 5104	3920	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe	85
PID 3920 wrote to memory of 5104	3920	cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:868

C:\Users\Admin\AppData\Local\Temp\cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe" -service -lunch
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3920
- C:\Users\Admin\AppData\Local\Temp\cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\cee61f99f9b0b9e118ff49d8405ece85_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:5104

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\AMMYY\settings.bin

Filesize
65B

MD5
dee22053b47b506751877497afc476a3

SHA1
e077865d403fa8832bd8c6f6d58dddbd8f0c494e

SHA256
faa82e96142a04e5b74eebdd7815318916e99bc4e06c13bb662c77b85d9006a6

SHA512
646db08442c2924f5bef0ad79c6f99820945e54963be32152766bd3be93db78c72377624ffdb60862567563970aee9f6288fb476cd1bbef45566cfb792de7c0c

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