xtremerat | c6e18470596605fd228691c85793ac402606d7e61fb1461fff4530b9fb71fe99

General

Target
45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe
Size 69KB
Sample240714-qjdbasthpg
SHA256 c6e18470596605fd228691c85793ac402606d7e61fb1461fff4530b9fb71fe99
MD5 45fb4741695f822aa57c8a627e3c4644
SHA1 e6beea41d1c378430f4a4ea40196242637304d34
SHA512 837af4024d958974d0ed42c05d135b281ccbca13e6a158a9ab965c7f32d1063153c928a2b7f25f236c5992fb36680bf0f53b8b84d8a0f60f724054510d4ab88d
SSDEEP 1536:UIsFw9veLJToUN5YH3617MYUQKEVzA7Yfij8OZwM1tAx:UtFw9Wr583cgOPW7PGotAx
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

moi150.no-ip.biz

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/456-7-0x0000000000C80000-0x0000000000CAF000-memory.dmp	family_xtremerat
behavioral2/memory/3116-9-0x0000000000C80000-0x0000000000CAF000-memory.dmp	family_xtremerat
behavioral2/memory/1888-10-0x0000000000C80000-0x0000000000CAF000-memory.dmp	family_xtremerat
behavioral2/memory/3116-12-0x0000000000C80000-0x0000000000CAF000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 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\{WH35U53Q-4BW7-00ND-7U42-4611OH6O4425}	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{WH35U53Q-4BW7-00ND-7U42-4611OH6O4425}\StubPath = "C:\\Windows\\system32\\InstallDir\\Micros.exe restart"	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{WH35U53Q-4BW7-00ND-7U42-4611OH6O4425}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{WH35U53Q-4BW7-00ND-7U42-4611OH6O4425}\StubPath = "C:\\Windows\\system32\\InstallDir\\Micros.exe restart"	svchost.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1888-0-0x0000000000C80000-0x0000000000CAF000-memory.dmp	upx
behavioral2/memory/456-7-0x0000000000C80000-0x0000000000CAF000-memory.dmp	upx
behavioral2/files/0x00070000000234cb-8.dat	upx
behavioral2/memory/3116-9-0x0000000000C80000-0x0000000000CAF000-memory.dmp	upx
behavioral2/memory/1888-10-0x0000000000C80000-0x0000000000CAF000-memory.dmp	upx
behavioral2/memory/3116-12-0x0000000000C80000-0x0000000000CAF000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 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\HKLM = "C:\\Windows\\system32\\InstallDir\\Micros.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Micros.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Micros.exe"	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Micros.exe"	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\Micros.exe	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\InstallDir\Micros.exe	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\InstallDir\	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3116	notepad.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 456	1888	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe	85
PID 1888 wrote to memory of 456	1888	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe	85
PID 1888 wrote to memory of 456	1888	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe	85
PID 1888 wrote to memory of 456	1888	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe	85
PID 1888 wrote to memory of 3116	1888	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe	87
PID 1888 wrote to memory of 3116	1888	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe	87
PID 1888 wrote to memory of 3116	1888	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe	87
PID 1888 wrote to memory of 3116	1888	45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\45fb4741695f822aa57c8a627e3c4644_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  PID:456
- C:\Windows\SysWOW64\notepad.exe
  notepad.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3116

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Micros.exe

Path C:\Windows\SysWOW64\InstallDir\Micros.exe
Size 69KB
SHA256 c6e18470596605fd228691c85793ac402606d7e61fb1461fff4530b9fb71fe99
MD5 45fb4741695f822aa57c8a627e3c4644
SHA1 e6beea41d1c378430f4a4ea40196242637304d34
SHA512 837af4024d958974d0ed42c05d135b281ccbca13e6a158a9ab965c7f32d1063153c928a2b7f25f236c5992fb36680bf0f53b8b84d8a0f60f724054510d4ab88d
SSDEEP 1536:UIsFw9veLJToUN5YH3617MYUQKEVzA7Yfij8OZwM1tAx:UtFw9Wr583cgOPW7PGotAx
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/456-7-0x0000000000C80000-0x0000000000CAF000-memory.dmp

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memory/1888-0-0x0000000000C80000-0x0000000000CAF000-memory.dmp

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memory/1888-10-0x0000000000C80000-0x0000000000CAF000-memory.dmp

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memory/3116-9-0x0000000000C80000-0x0000000000CAF000-memory.dmp

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memory/3116-12-0x0000000000C80000-0x0000000000CAF000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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