xtremerat | 45d04ddf5b327e1a2e6cc1051c4dd748f21ca87f1ecfae0d0b7b96e606f421cc

General

Target

JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe
Size

105KB
MD5

0e7622405ca5626eb71a146152920da4
SHA1

875729847db7f3b7691e7510efb5f4f348cbb2cc
SHA256

45d04ddf5b327e1a2e6cc1051c4dd748f21ca87f1ecfae0d0b7b96e606f421cc
SHA512

aed1ba25f33d7f1d7f07a76de209606296a08f70904847870fec9b325b7b28a0118a40f4ff7301c800eb0ff2ad93eb1499a80b1fd148465c4c83f1da1603aa5e
SSDEEP

1536:Ss/psfKLveiUj+UgapkUbl+Wg1liDzssei13OzJbYhXh7dBemgKYHLHl2yODxleq:r/cyelTpkUbQW8yiiFxhEmg9HLH3sxB

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

mmsalti.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2744-16-0x0000000010000000-0x0000000010052000-memory.dmp	family_xtremerat
behavioral1/memory/2744-14-0x0000000010000000-0x0000000010052000-memory.dmp	family_xtremerat
behavioral1/memory/2880-19-0x0000000010000000-0x0000000010052000-memory.dmp	family_xtremerat
behavioral1/memory/2744-24-0x0000000010000000-0x0000000010052000-memory.dmp	family_xtremerat
behavioral1/memory/2880-27-0x0000000010000000-0x0000000010052000-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 2732 set thread context of 2744	2732	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	30

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2744-6-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2744-10-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2744-12-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2744-16-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2744-14-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2744-7-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2880-19-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2744-24-0x0000000010000000-0x0000000010052000-memory.dmp	upx
behavioral1/memory/2880-27-0x0000000010000000-0x0000000010052000-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_0e7622405ca5626eb71a146152920da4.exe
File created	C:\Windows\191507_get-her-to-have-dirty-sex-flash.jpg	JaffaCakes118_0e7622405ca5626eb71a146152920da4.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_0e7622405ca5626eb71a146152920da4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0e7622405ca5626eb71a146152920da4.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
3048	DllHost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2732	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe
3048	DllHost.exe
3048	DllHost.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2744	2732	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	30
PID 2732 wrote to memory of 2744	2732	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	30
PID 2732 wrote to memory of 2744	2732	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	30
PID 2732 wrote to memory of 2744	2732	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	30
PID 2732 wrote to memory of 2744	2732	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	30
PID 2732 wrote to memory of 2744	2732	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	30
PID 2732 wrote to memory of 2744	2732	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	30
PID 2732 wrote to memory of 2744	2732	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	30
PID 2744 wrote to memory of 2880	2744	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	31
PID 2744 wrote to memory of 2880	2744	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	31
PID 2744 wrote to memory of 2880	2744	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	31
PID 2744 wrote to memory of 2880	2744	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	31
PID 2744 wrote to memory of 2880	2744	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	31
PID 2744 wrote to memory of 3064	2744	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	32
PID 2744 wrote to memory of 3064	2744	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	32
PID 2744 wrote to memory of 3064	2744	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	32
PID 2744 wrote to memory of 3064	2744	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	32
PID 2744 wrote to memory of 3064	2744	JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e7622405ca5626eb71a146152920da4.exe
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2880
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:3064

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:3048

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/2732-15-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2732-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2732-1-0x0000000000020000-0x0000000000023000-memory.dmp

Filesize
12KB

Download
memory/2744-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2744-24-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2744-12-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2744-14-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2744-10-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2744-7-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2744-5-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2744-6-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2744-22-0x00000000028B0000-0x00000000028B2000-memory.dmp

Filesize
8KB

Download
memory/2744-16-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2880-19-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2880-27-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/3048-23-0x00000000001E0000-0x00000000001E2000-memory.dmp

Filesize
8KB

Download
memory/3048-25-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/3048-28-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download

Analysis

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