xtremerat | 61e523ca922591d4460fb3c63ec4627583bbd74e2d5b37172ce762347a946ebe

General

Target

JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe
Size

105KB
MD5

243454c6a2775a2415011b97598ed4d2
SHA1

29659d159499ca93f3c75a640fa9b89cd46fdd7d
SHA256

61e523ca922591d4460fb3c63ec4627583bbd74e2d5b37172ce762347a946ebe
SHA512

05340d150711a8c49fd259f7c0e0a1ee33cacd6839642842e482f0e3fcdcf44eeec66b7b33131ab71e576b5f744dc0fdb64d3bda4e419fb2ceb65350a1a64264
SSDEEP

1536:Ss/psfKLveiUj+UgapkUbl+Wg1liDzssei13OzJbYhXh7dBemgKYHLHl2yODxle2:r/cyelTpkUbQW8yiiFxhEmg9HLH3sxl

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

mmsalti.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/2400-14-0x0000000010000000-0x0000000010052000-memory.dmp	family_xtremerat
behavioral1/memory/2400-17-0x0000000010000000-0x0000000010052000-memory.dmp	family_xtremerat
behavioral1/memory/2400-26-0x0000000010000000-0x0000000010052000-memory.dmp	family_xtremerat
behavioral1/memory/1224-28-0x0000000010000000-0x0000000010052000-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 2108 set thread context of 2400	2108	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	30

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2400-8-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2400-11-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2400-7-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2400-13-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2400-14-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2400-17-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2400-26-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/1224-28-0x0000000010000000-0x0000000010052000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\191507_get-her-to-have-dirty-sex-flash.jpg.exe	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe
File created	C:\Windows\191507_get-her-to-have-dirty-sex-flash.jpg	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe
File opened for modification	C:\Windows\191507_get-her-to-have-dirty-sex-flash.jpg	DllHost.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2448	DllHost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2108	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe
2448	DllHost.exe
2448	DllHost.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2400	2108	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	30
PID 2108 wrote to memory of 2400	2108	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	30
PID 2108 wrote to memory of 2400	2108	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	30
PID 2108 wrote to memory of 2400	2108	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	30
PID 2108 wrote to memory of 2400	2108	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	30
PID 2108 wrote to memory of 2400	2108	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	30
PID 2108 wrote to memory of 2400	2108	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	30
PID 2108 wrote to memory of 2400	2108	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	30
PID 2400 wrote to memory of 1224	2400	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	31
PID 2400 wrote to memory of 1224	2400	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	31
PID 2400 wrote to memory of 1224	2400	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	31
PID 2400 wrote to memory of 1224	2400	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	31
PID 2400 wrote to memory of 1224	2400	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	31
PID 2400 wrote to memory of 2892	2400	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	32
PID 2400 wrote to memory of 2892	2400	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	32
PID 2400 wrote to memory of 2892	2400	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	32
PID 2400 wrote to memory of 2892	2400	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	32
PID 2400 wrote to memory of 2892	2400	JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_243454c6a2775a2415011b97598ed4d2.exe
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1224
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2892

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2448

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

C:\Windows\191507_get-her-to-have-dirty-sex-flash.jpg

Filesize
18KB

MD5
e1159cf5667c0de2ce1ad7cf777797be

SHA1
6678e352dc034f45178af173bbbcd9c71560493b

SHA256
c07b4705f89c5476a827ef64dc5640ef9e9796bfde308e98cedf4f4d288eb2a8

SHA512
8fc3287598cbff3119e4f0c8eb0912e77e2fe514de055cc33e351e9b856431523bfff1cf866c16f493891fafd814dc56b4fa593838d27629939ea221aec18adf

Download Submit
memory/1224-28-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2108-1-0x0000000000020000-0x0000000000023000-memory.dmp

Filesize
12KB

Download
memory/2108-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2108-5-0x0000000000390000-0x00000000003C6000-memory.dmp

Filesize
216KB

Download
memory/2108-16-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2400-13-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2400-7-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2400-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2400-14-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2400-17-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2400-11-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2400-23-0x0000000003050000-0x0000000003052000-memory.dmp

Filesize
8KB

Download
memory/2400-26-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2400-8-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2400-6-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2448-24-0x0000000000130000-0x0000000000132000-memory.dmp

Filesize
8KB

Download
memory/2448-25-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/2448-29-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download

Analysis

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