xtremerat | 3364476f3c84f4db553e7c63264222d560e35375c35e6a42b08a8b9166e16a87

General

Target

f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe
Size

68KB
MD5

f649d629b1ff37e96a2a4c577e45d46f
SHA1

5eb0909d2d1e0a757db0d6e17cac81cd7e9ecf60
SHA256

3364476f3c84f4db553e7c63264222d560e35375c35e6a42b08a8b9166e16a87
SHA512

9f4ecd89a4f79ad69d17ff2316208ce77c802c451fc4827686a39b3dee93f38435a2b98dc9d2c3a8fed21e8e750408204d931a2c8a477f33f38dd6ef94614c2a
SSDEEP

1536:hKMTA+8EZIydsU9Zr42nmqOPA2Z4r/ozJNgiGMshK3:hK+IYH4jqOPLGevgVMss3

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

altagoor.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/5072-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/5072-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3136-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/5072-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3136-12-0x0000000010000000-0x000000001004D000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3332 set thread context of 5072	3332	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	82

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5072-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5072-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5072-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5072-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3136-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5072-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3136-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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
4528	3136	WerFault.exe	83
2332	3136	WerFault.exe	83

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	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3332	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe
Token: 33	3332	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3332	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3332 wrote to memory of 5072	3332	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	82
PID 3332 wrote to memory of 5072	3332	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	82
PID 3332 wrote to memory of 5072	3332	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	82
PID 3332 wrote to memory of 5072	3332	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	82
PID 3332 wrote to memory of 5072	3332	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	82
PID 3332 wrote to memory of 5072	3332	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	82
PID 3332 wrote to memory of 5072	3332	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	82
PID 3332 wrote to memory of 5072	3332	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	82
PID 5072 wrote to memory of 3136	5072	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	83
PID 5072 wrote to memory of 3136	5072	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	83
PID 5072 wrote to memory of 3136	5072	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	83
PID 5072 wrote to memory of 3136	5072	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	83
PID 5072 wrote to memory of 1988	5072	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	84
PID 5072 wrote to memory of 1988	5072	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	84
PID 5072 wrote to memory of 1988	5072	f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Users\Admin\AppData\Local\Temp\f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f649d629b1ff37e96a2a4c577e45d46f_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5072
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3136
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 480
      4⤵
      Program crash
      PID:4528
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 488
      4⤵
      Program crash
      PID:2332
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3136 -ip 3136
1⤵
PID:4800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3136 -ip 3136
1⤵
PID:4592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3136-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3136-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3332-0-0x0000000075382000-0x0000000075383000-memory.dmp

Filesize
4KB

Download
memory/3332-1-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/3332-2-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/3332-9-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/5072-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5072-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5072-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5072-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5072-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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