xtremerat | 4a13d79abe2c0cf8f58f0b125b40c8b54e90f90fbb58b7b38b261085500a859d

General

Target

JaffaCakes118_f66f4dd2ec2c0c54583df0ebaa43ba61.exe
Size

33KB
MD5

f66f4dd2ec2c0c54583df0ebaa43ba61
SHA1

0827bb39604969db95d97669b3b1bdfce90ca8f8
SHA256

4a13d79abe2c0cf8f58f0b125b40c8b54e90f90fbb58b7b38b261085500a859d
SHA512

1f9cdb2b77dd186c26af70e5102625725760a97c368b4152b2a71d51ec9991c22a59b8241dbc8ec9844ce95f4c82aab7dd62f314fef86ca7959e359b25b04299
SSDEEP

768:TMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66l66UJ1:oNW71rcYDAWeotvXl65

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

logandpass.no-ip.info

¿¿logandpass.no-ip.info

耀,癭袸癭袌癭糨logandpass.no-ip.info

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3092-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3952-2-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3092-3-0x0000000010000000-0x000000001004D000-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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
22	1640	Process not Found

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3952-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3092-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3952-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3092-3-0x0000000010000000-0x000000001004D000-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
4120	3092	WerFault.exe	86
5008	3092	WerFault.exe	86

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	JaffaCakes118_f66f4dd2ec2c0c54583df0ebaa43ba61.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1320	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 3092	3952	JaffaCakes118_f66f4dd2ec2c0c54583df0ebaa43ba61.exe	86
PID 3952 wrote to memory of 3092	3952	JaffaCakes118_f66f4dd2ec2c0c54583df0ebaa43ba61.exe	86
PID 3952 wrote to memory of 3092	3952	JaffaCakes118_f66f4dd2ec2c0c54583df0ebaa43ba61.exe	86
PID 3952 wrote to memory of 3092	3952	JaffaCakes118_f66f4dd2ec2c0c54583df0ebaa43ba61.exe	86
PID 3952 wrote to memory of 2944	3952	JaffaCakes118_f66f4dd2ec2c0c54583df0ebaa43ba61.exe	87
PID 3952 wrote to memory of 2944	3952	JaffaCakes118_f66f4dd2ec2c0c54583df0ebaa43ba61.exe	87
PID 3952 wrote to memory of 2944	3952	JaffaCakes118_f66f4dd2ec2c0c54583df0ebaa43ba61.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f66f4dd2ec2c0c54583df0ebaa43ba61.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f66f4dd2ec2c0c54583df0ebaa43ba61.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3092 -s 480
    3⤵
    - Program crash
    PID:4120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3092 -s 488
    3⤵
    - Program crash
    PID:5008
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3092 -ip 3092
1⤵
PID:2312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3092 -ip 3092
1⤵
PID:4532

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI2IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTg2NDEyMTQ3Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1320

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3092-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3092-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3952-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3952-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing