xtremerat | 2e3bee4f7e334e2da0cf399c8e6bbcfded717c8613d9fa39ebbe0b752fc53b59

General

Target

JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe
Size

636KB
MD5

22b577f297a90740d0645c9ac0abe0ac
SHA1

ff3f2d29a257e48c9f889a4b6b2f71fc65441f32
SHA256

2e3bee4f7e334e2da0cf399c8e6bbcfded717c8613d9fa39ebbe0b752fc53b59
SHA512

78651591a094a2310275da8b9d99490ddef746c8fee5d36a7b70020dbe9b6c9413a95f611daa59a3aa64c71b258f2268ae84ac535701c9e18756d5037c7d28d3
SSDEEP

12288:Vo7YNQyRLPxez8dFlZqBFgNhza28pYnz1WZXNpby4d8S29OqW90rajSmfB:WwQy+z+8PtZYz1WP8SWOqWGIpB

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

furky37.dyndns.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/1908-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1908-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2660-15-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1908-16-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2660-17-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1836 set thread context of 1908	1836	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	30

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1908-4-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/1908-9-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/1908-8-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/1908-6-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/2660-15-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/1908-16-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/2660-17-0x0000000010000000-0x000000001004A000-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 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1836	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe
1836	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 1908	1836	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	30
PID 1836 wrote to memory of 1908	1836	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	30
PID 1836 wrote to memory of 1908	1836	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	30
PID 1836 wrote to memory of 1908	1836	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	30
PID 1836 wrote to memory of 1908	1836	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	30
PID 1836 wrote to memory of 1908	1836	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	30
PID 1836 wrote to memory of 1908	1836	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	30
PID 1836 wrote to memory of 1908	1836	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	30
PID 1836 wrote to memory of 1908	1836	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	30
PID 1908 wrote to memory of 2660	1908	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	31
PID 1908 wrote to memory of 2660	1908	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	31
PID 1908 wrote to memory of 2660	1908	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	31
PID 1908 wrote to memory of 2660	1908	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	31
PID 1908 wrote to memory of 2660	1908	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	31
PID 1908 wrote to memory of 2060	1908	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	32
PID 1908 wrote to memory of 2060	1908	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	32
PID 1908 wrote to memory of 2060	1908	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	32
PID 1908 wrote to memory of 2060	1908	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	32
PID 1908 wrote to memory of 2060	1908	JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22b577f297a90740d0645c9ac0abe0ac.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1908
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2660
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2060

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/1836-0-0x0000000000400000-0x000000000079E000-memory.dmp

Filesize
3.6MB

Download
memory/1836-10-0x0000000000400000-0x000000000079E000-memory.dmp

Filesize
3.6MB

Download
memory/1908-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1908-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1908-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1908-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1908-11-0x0000000000400000-0x000000000079E000-memory.dmp

Filesize
3.6MB

Download
memory/1908-16-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2660-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2660-15-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2660-17-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

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