xtremerat | dee59bc1ac006a053dd43ce57526e405e110d738e33a7f83a74ec7bfa92c2add

General

Target

7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe
Size

549KB
MD5

7e7e0caa0b46e9f784398b22b8405807
SHA1

2cd255ebc6e5ed4b37a3c172a920e33309012226
SHA256

dee59bc1ac006a053dd43ce57526e405e110d738e33a7f83a74ec7bfa92c2add
SHA512

0bd0c2640c0c3bb3e5abac98a90231402d04940cd14fb00801e29581ed5252593ad8889148590b28aa8b79390aa828283ecdf248ad42592cc0cfd31cf613322b
SSDEEP

12288:M7jRcObs22o6w7Jvgb89cqpZEsSS/DjC4eRJUiZ8TzZ16:dyywUAQuWR+dTzG

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3664-30-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/3664-31-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat
behavioral2/memory/3664-35-0x0000000000C80000-0x0000000000C95000-memory.dmp	family_xtremerat

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat
Xtremerat family
xtremerat

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

Processes:

MMMM.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	MMMM.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MMMM.exe restart"	MMMM.exe

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:

7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

MMMM.exeMMMM.exe

pid process

2372 MMMM.exe
3664 MMMM.exe

pid	process
2372	MMMM.exe
3664	MMMM.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

MMMM.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MMMM.exe"	MMMM.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MMMM.exe"	MMMM.exe

Drops desktop.ini file(s) 2 IoCs

Processes:

7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\assembly\Desktop.ini	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

MMMM.exe

description pid process target process

PID 2372 set thread context of 3664 2372 MMMM.exe MMMM.exe

description	pid	process	target process
PID 2372 set thread context of 3664	2372	MMMM.exe	MMMM.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3664-26-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3664-29-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3664-30-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3664-31-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral2/memory/3664-35-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\assembly	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe
File created	C:\Windows\assembly\Desktop.ini	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

MMMM.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MMMM.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MMMM.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	3516	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe
Token: 33	3516	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3516	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe
Token: 33	3516	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3516	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe
Token: 33	3516	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3516	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

MMMM.exeMMMM.exe

pid process

2372 MMMM.exe
3664 MMMM.exe

pid	process
2372	MMMM.exe
3664	MMMM.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exeMMMM.exe

description	pid	process	target process
PID 3516 wrote to memory of 2372	3516	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe	MMMM.exe
PID 3516 wrote to memory of 2372	3516	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe	MMMM.exe
PID 3516 wrote to memory of 2372	3516	7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe	MMMM.exe
PID 2372 wrote to memory of 3664	2372	MMMM.exe	MMMM.exe
PID 2372 wrote to memory of 3664	2372	MMMM.exe	MMMM.exe
PID 2372 wrote to memory of 3664	2372	MMMM.exe	MMMM.exe
PID 2372 wrote to memory of 3664	2372	MMMM.exe	MMMM.exe
PID 2372 wrote to memory of 3664	2372	MMMM.exe	MMMM.exe
PID 2372 wrote to memory of 3664	2372	MMMM.exe	MMMM.exe
PID 2372 wrote to memory of 3664	2372	MMMM.exe	MMMM.exe
PID 2372 wrote to memory of 3664	2372	MMMM.exe	MMMM.exe

C:\Users\Admin\AppData\Local\Temp\7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7e7e0caa0b46e9f784398b22b8405807_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Users\Admin\AppData\Local\Temp\MMMM.exe
  "C:\Users\Admin\AppData\Local\Temp\MMMM.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2372
- - C:\Users\Admin\AppData\Local\Temp\MMMM.exe
    C:\Users\Admin\AppData\Local\Temp\MMMM.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of SetWindowsHookEx
    PID:3664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
376KB

MD5
4b600599dfffc485ffa11f88a8897188

SHA1
42d5de0e552d161dbf6a28790729aeef6b6ef0e0

SHA256
ade82fab5303299235b69af39fa0ced2a1e969651fd37146eba02790f53705b0

SHA512
625431ad0b52f574cabdddf6213dbfb6b3fcf580dc123199329c465a48fbc98b0000d03c6849ec403a6f3df1769291daa5679d336baff1a9fdb59f592f422caf

Download Submit
memory/3516-11-0x0000000001390000-0x0000000001398000-memory.dmp

Filesize
32KB

Download
memory/3516-3-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/3516-10-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/3516-1-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/3516-7-0x000000001C540000-0x000000001C550000-memory.dmp

Filesize
64KB

Download
memory/3516-8-0x000000001C600000-0x000000001C6A6000-memory.dmp

Filesize
664KB

Download
memory/3516-9-0x000000001C7C0000-0x000000001C85C000-memory.dmp

Filesize
624KB

Download
memory/3516-0-0x00007FF98CBF5000-0x00007FF98CBF6000-memory.dmp

Filesize
4KB

Download
memory/3516-37-0x00007FF98C940000-0x00007FF98D2E1000-memory.dmp

Filesize
9.6MB

Download
memory/3516-2-0x000000001BF80000-0x000000001C44E000-memory.dmp

Filesize
4.8MB

Download
memory/3516-4-0x00000000013A0000-0x00000000013AA000-memory.dmp

Filesize
40KB

Download
memory/3516-12-0x000000001CA50000-0x000000001CA9C000-memory.dmp

Filesize
304KB

Download
memory/3516-36-0x00007FF98CBF5000-0x00007FF98CBF6000-memory.dmp

Filesize
4KB

Download
memory/3664-30-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3664-31-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3664-35-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3664-29-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download
memory/3664-26-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads