xtremerat | 4344c515f5c55c168359835432a8dba7b62a9174bc80f4a3cd4191f816d87c67

General

Target

59692dfa8ebd068beb2892829aa063c6.exe
Size

512KB
MD5

59692dfa8ebd068beb2892829aa063c6
SHA1

89026cc5c667c95d947485eb79ed3227ebf5d3b6
SHA256

4344c515f5c55c168359835432a8dba7b62a9174bc80f4a3cd4191f816d87c67
SHA512

981dab7fcc19289eeabb0d53e05631bb6f4ed87653306a18332f5bca39bf3f5920bacf012386eba0eb3bb84b13ddeff9814776c7f39bc4fdecaeac387027d7a6
SSDEEP

3072:Skq+aXIDTfy2b+tpT/6WK7FwoDIiItTRG5JhR9tM0aQNroC36V9TmxlCirOCUzvJ:S1xygYZR9O0aElXfyfDTR

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

mmm1212.no-ip.biz

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/4272-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4272-9-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3520-10-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4272-13-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3520-14-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4272-15-0x0000000010000000-0x0000000010048000-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

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	59692dfa8ebd068beb2892829aa063c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	59692dfa8ebd068beb2892829aa063c6.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4272-4-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4272-6-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4272-8-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4272-9-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/3520-10-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4272-13-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/3520-14-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/4272-15-0x0000000010000000-0x0000000010048000-memory.dmp	upx

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\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃啜敳獲䅜浤湩䅜灰慄慴䱜捯污呜浥屰㤵㤶搲慦攸摢㘰戸扥㠲㈹㈸愹ち㌶㙣攮數"	59692dfa8ebd068beb2892829aa063c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	59692dfa8ebd068beb2892829aa063c6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	59692dfa8ebd068beb2892829aa063c6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1360 set thread context of 4272	1360	59692dfa8ebd068beb2892829aa063c6.exe	86

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	59692dfa8ebd068beb2892829aa063c6.exe
File created	C:\Windows\InstallDir\Server.exe	59692dfa8ebd068beb2892829aa063c6.exe
File opened for modification	C:\Windows\InstallDir\	59692dfa8ebd068beb2892829aa063c6.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
1980	3520	WerFault.exe	89
4408	3520	WerFault.exe	89

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1360	59692dfa8ebd068beb2892829aa063c6.exe
4272	59692dfa8ebd068beb2892829aa063c6.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 4272	1360	59692dfa8ebd068beb2892829aa063c6.exe	86
PID 1360 wrote to memory of 4272	1360	59692dfa8ebd068beb2892829aa063c6.exe	86
PID 1360 wrote to memory of 4272	1360	59692dfa8ebd068beb2892829aa063c6.exe	86
PID 1360 wrote to memory of 4272	1360	59692dfa8ebd068beb2892829aa063c6.exe	86
PID 1360 wrote to memory of 4272	1360	59692dfa8ebd068beb2892829aa063c6.exe	86
PID 1360 wrote to memory of 4272	1360	59692dfa8ebd068beb2892829aa063c6.exe	86
PID 1360 wrote to memory of 4272	1360	59692dfa8ebd068beb2892829aa063c6.exe	86
PID 1360 wrote to memory of 4272	1360	59692dfa8ebd068beb2892829aa063c6.exe	86
PID 4272 wrote to memory of 3520	4272	59692dfa8ebd068beb2892829aa063c6.exe	89
PID 4272 wrote to memory of 3520	4272	59692dfa8ebd068beb2892829aa063c6.exe	89
PID 4272 wrote to memory of 3520	4272	59692dfa8ebd068beb2892829aa063c6.exe	89
PID 4272 wrote to memory of 3520	4272	59692dfa8ebd068beb2892829aa063c6.exe	89

C:\Users\Admin\AppData\Local\Temp\59692dfa8ebd068beb2892829aa063c6.exe
"C:\Users\Admin\AppData\Local\Temp\59692dfa8ebd068beb2892829aa063c6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Users\Admin\AppData\Local\Temp\59692dfa8ebd068beb2892829aa063c6.exe
  C:\Users\Admin\AppData\Local\Temp\59692dfa8ebd068beb2892829aa063c6.exe
  2⤵
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4272
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:3520
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 480
      4⤵
      Program crash
      PID:1980
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 476
      4⤵
      Program crash
      PID:4408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3520 -ip 3520
1⤵
PID:3052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3520 -ip 3520
1⤵
PID:3344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

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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Downloads

memory/1360-0-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1360-1-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/1360-7-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3520-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3520-14-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4272-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4272-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4272-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4272-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4272-13-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4272-15-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads