xtremerat | a47ce9e3c73e01ff95100faef7b414d26d8570f87fce3c0c72b863847bdc3328

General

Target

6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe
Size

84KB
MD5

6a58f94b6553712c2f3b80174aa26051
SHA1

637304d1bd170f500123a212209e6931bb037f6e
SHA256

a47ce9e3c73e01ff95100faef7b414d26d8570f87fce3c0c72b863847bdc3328
SHA512

3891ff5aa9d0d0716d7b3fc91d890a68a4a826a7cc4aa0a61a0793b933c6f0211b84bc3477ea67145ee169aaecfd6b04daf60db4e765290f3139e24462469718
SSDEEP

1536:fG2EnTramCVTJ10e9yhVugW1FAAzWCb4pqZ1m4e2ggJ0x:fynvBCVTJ10ey0gW8AzWCbmqZ8ABA

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

qwertyuiop.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/2168-7-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/2168-8-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/3508-10-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/2168-11-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/3508-12-0x0000000010000000-0x0000000010049000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2052 set thread context of 2168	2052	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	94

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2168-3-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/2168-6-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/2168-7-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/2168-8-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/3508-10-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/2168-11-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/3508-12-0x0000000010000000-0x0000000010049000-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
2380	3508	WerFault.exe	95
2156	3508	WerFault.exe	95

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2052	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 2168	2052	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	94
PID 2052 wrote to memory of 2168	2052	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	94
PID 2052 wrote to memory of 2168	2052	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	94
PID 2052 wrote to memory of 2168	2052	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	94
PID 2052 wrote to memory of 2168	2052	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	94
PID 2052 wrote to memory of 2168	2052	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	94
PID 2052 wrote to memory of 2168	2052	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	94
PID 2052 wrote to memory of 2168	2052	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	94
PID 2168 wrote to memory of 3508	2168	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	95
PID 2168 wrote to memory of 3508	2168	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	95
PID 2168 wrote to memory of 3508	2168	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	95
PID 2168 wrote to memory of 3508	2168	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	95
PID 2168 wrote to memory of 3240	2168	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	96
PID 2168 wrote to memory of 3240	2168	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	96
PID 2168 wrote to memory of 3240	2168	6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe	96

C:\Users\Admin\AppData\Local\Temp\6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Users\Admin\AppData\Local\Temp\6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\6a58f94b6553712c2f3b80174aa26051_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3508
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 480
      4⤵
      Program crash
      PID:2380
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 500
      4⤵
      Program crash
      PID:2156
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3508 -ip 3508
1⤵
PID:3424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3508 -ip 3508
1⤵
PID:3004

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/2052-0-0x0000000075572000-0x0000000075573000-memory.dmp

Filesize
4KB

Download
memory/2052-1-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/2052-2-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/2052-9-0x0000000075570000-0x0000000075B21000-memory.dmp

Filesize
5.7MB

Download
memory/2168-3-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/2168-6-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/2168-7-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/2168-8-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/2168-11-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/3508-10-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/3508-12-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download

Analysis

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