xtremerat | ad5280eb5e53540933ed7146c19e116be063bafe85ffd6fa21bb1c7174fab123

General

Target

a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe
Size

916KB
MD5

a4866ebffbfcfc26935ab09b684c64d3
SHA1

6cd90939da05c1f2af7c7e7d16c45539afe0b238
SHA256

ad5280eb5e53540933ed7146c19e116be063bafe85ffd6fa21bb1c7174fab123
SHA512

7222a8e46948c20fc269117fd9089beb4a337f3da2a40875884b52e04da3e4008b2fe2134e2dcc94be96d189d23c90cf20e6a81b5e23d53f83dfe47acde9440b
SSDEEP

24576:xxoFQYFyXOSF+FN7InyUkCmXU7JlDEVokXu9RrthXiGl0GbFiI+qVvhPbcflBOnz:xxoFQYFyXOSF+FN7InyUkCmXU7JlDEV/

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/2520-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2520-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2520-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2520-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2520-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2520-4-0x0000000010000000-0x000000001004A000-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

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2068 set thread context of 2520	2068	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe	32

System Location Discovery: System Language Discovery 1 TTPs 1 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	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2068	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2520	2068	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2520	2068	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2520	2068	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2520	2068	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2520	2068	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2520	2068	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2520	2068	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2520	2068	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2520	2068	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2520	2068	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2520	2068	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe	32
PID 2068 wrote to memory of 2520	2068	a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a4866ebffbfcfc26935ab09b684c64d3_JaffaCakes118.exe
  2⤵
  PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

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/2520-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2520-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2520-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2520-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2520-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2520-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2520-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2520-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2520-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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