xtremerat | e72c74b7c2e5e2f63402c74749916d8a648e1eb6f4626eecea091fbe414adf32

General

Target

856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe
Size

136KB
MD5

856d1b755add5c9016d5e4af9e45277d
SHA1

9379d76254ee7020733fd495cfa78971a7932826
SHA256

e72c74b7c2e5e2f63402c74749916d8a648e1eb6f4626eecea091fbe414adf32
SHA512

5762c5057551367cd846e5a25c3acadad8a9331be53e7c912263e0925b29067a9ef7b80ddf1544edc36833c8382bb90c6973ee04de041cce50e9c05ceb534bc5
SSDEEP

3072:y/v7xIj0jsCpawDs6tIyyXpPUMbjFhx00Jw6y4ozpgaY:wdJjrpq6Cyy5cqFgqw6WNg9

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

hbooob2.no-ip.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023b8f-17.dat	family_xtremerat
behavioral2/memory/2032-21-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2860-22-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3400-23-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2860-25-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2860-26-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/2032-27-0x0000000010000000-0x000000001004A000-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

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\windows.\\%TEMP%.exe restart"	explorer.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3400	T.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\windows = "C:\\Windows\\system32\\windows.\\%TEMP%.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\windows = "C:\\Windows\\system32\\windows.\\%TEMP%.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\windows = "%ULTRAS%"	explorer.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\windows\%TEMP%.exe	explorer.exe
File created	C:\Windows\SysWOW64\windows\%TEMP%.exe	explorer.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe
File created	C:\Windows\assembly\Desktop.ini	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3160	2032	WerFault.exe	86
3124	2032	WerFault.exe	86

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	T.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2284	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe
Token: 33	2284	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2284	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe
Token: 33	2284	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2284	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe
Token: 33	2284	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2284	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2860	explorer.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 3400	2284	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe	84
PID 2284 wrote to memory of 3400	2284	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe	84
PID 2284 wrote to memory of 3400	2284	856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe	84
PID 3400 wrote to memory of 2032	3400	T.exe	86
PID 3400 wrote to memory of 2032	3400	T.exe	86
PID 3400 wrote to memory of 2032	3400	T.exe	86
PID 3400 wrote to memory of 2032	3400	T.exe	86
PID 3400 wrote to memory of 2860	3400	T.exe	88
PID 3400 wrote to memory of 2860	3400	T.exe	88
PID 3400 wrote to memory of 2860	3400	T.exe	88
PID 3400 wrote to memory of 2860	3400	T.exe	88

C:\Users\Admin\AppData\Local\Temp\856d1b755add5c9016d5e4af9e45277d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\856d1b755add5c9016d5e4af9e45277d_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:2284
- C:\Users\Admin\AppData\Local\Temp\T.exe
  "C:\Users\Admin\AppData\Local\Temp\T.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3400
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2032
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 476
      4⤵
      Program crash
      PID:3160
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 488
      4⤵
      Program crash
      PID:3124
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2032 -ip 2032
1⤵
PID:1040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2032 -ip 2032
1⤵
PID:1340

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\T.exe

Filesize
65KB

MD5
9e84e087f1a5b245df9b2d9a49657d64

SHA1
66889d42d0064d68d3a9d3073f8b6a7b7871c267

SHA256
38672acd04fa3e7c2e87bafa3fe974fb6ee487257694b592d24d9638b9092445

SHA512
5ad7f1a85a438fb48af793dd6a0b93ba5817ac6ea728d0c8aed7ad7897528fef1c270547d80eae0f395682680f06ac4c314e2fd62fa2fde7178c998ff017cd5e

Download Submit
memory/2032-27-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2032-21-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2284-10-0x00000000011B0000-0x00000000011B8000-memory.dmp

Filesize
32KB

Download
memory/2284-2-0x000000001BEE0000-0x000000001C3AE000-memory.dmp

Filesize
4.8MB

Download
memory/2284-7-0x000000001B9B0000-0x000000001B9C0000-memory.dmp

Filesize
64KB

Download
memory/2284-8-0x000000001C550000-0x000000001C5F6000-memory.dmp

Filesize
664KB

Download
memory/2284-9-0x000000001C6E0000-0x000000001C77C000-memory.dmp

Filesize
624KB

Download
memory/2284-12-0x000000001C970000-0x000000001C9BC000-memory.dmp

Filesize
304KB

Download
memory/2284-11-0x00007FFD40430000-0x00007FFD40DD1000-memory.dmp

Filesize
9.6MB

Download
memory/2284-0-0x00007FFD406E5000-0x00007FFD406E6000-memory.dmp

Filesize
4KB

Download
memory/2284-3-0x00007FFD40430000-0x00007FFD40DD1000-memory.dmp

Filesize
9.6MB

Download
memory/2284-4-0x00000000012D0000-0x00000000012DA000-memory.dmp

Filesize
40KB

Download
memory/2284-29-0x00007FFD40430000-0x00007FFD40DD1000-memory.dmp

Filesize
9.6MB

Download
memory/2284-28-0x00007FFD406E5000-0x00007FFD406E6000-memory.dmp

Filesize
4KB

Download
memory/2284-1-0x00007FFD40430000-0x00007FFD40DD1000-memory.dmp

Filesize
9.6MB

Download
memory/2860-26-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2860-25-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2860-22-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3400-23-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads