xtremerat | ba518fc769aadcb2a6ad511a67536050d1148f45739374883bf8138c858c9f19

General

Target

JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe
Size

116KB
MD5

26f432cc54b00eb694664f120d68dd6f
SHA1

b077c9c1a4552bdc46796465b94e5bda0ad8280e
SHA256

ba518fc769aadcb2a6ad511a67536050d1148f45739374883bf8138c858c9f19
SHA512

39a956a8846188de0692fff9181db3b88d1b417de14c6f88eb8735c7d6cacb02cc08e73e2d057ab0545de33ca68766a12dad5eb43a41569347242c69cf657c6b
SSDEEP

3072:WNTT9k5qcFp7ahi8kpI0bbEgLLbxg5ZKbLQSiS8jPysTL:hmi8kGmbEWLbxg5wLQa8jPl

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

xxtreme.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/588-15-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/588-14-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/588-18-0x0000000010000000-0x000000001004D000-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 2284 set thread context of 588	2284	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe	30

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/588-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/588-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/588-15-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/588-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/588-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/588-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/588-18-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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 2 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_26f432cc54b00eb694664f120d68dd6f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2284	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 588	2284	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe	30
PID 2284 wrote to memory of 588	2284	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe	30
PID 2284 wrote to memory of 588	2284	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe	30
PID 2284 wrote to memory of 588	2284	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe	30
PID 2284 wrote to memory of 588	2284	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe	30
PID 2284 wrote to memory of 588	2284	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe	30
PID 2284 wrote to memory of 588	2284	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe	30
PID 2284 wrote to memory of 588	2284	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe	30
PID 588 wrote to memory of 2216	588	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe	31
PID 588 wrote to memory of 2216	588	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe	31
PID 588 wrote to memory of 2216	588	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe	31
PID 588 wrote to memory of 2216	588	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe	31
PID 588 wrote to memory of 2216	588	JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_26f432cc54b00eb694664f120d68dd6f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:588
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2216

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/588-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/588-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/588-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/588-15-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/588-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/588-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/588-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/588-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/588-18-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2284-0-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2284-12-0x00000000003B0000-0x00000000003F3000-memory.dmp

Filesize
268KB

Download
memory/2284-17-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download

Analysis

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