xtremerat | 044aa542a343314306a87d462c548b9dcac413df9248f80193c1f4fadf45e438

General

Target

5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe
Size

645KB
MD5

5a86e50772560aa88dcbad3ee94f1c13
SHA1

8936765c54d5bae4337b48a13c8b6e17d95bb2b3
SHA256

044aa542a343314306a87d462c548b9dcac413df9248f80193c1f4fadf45e438
SHA512

b4dad1f56bca62cc88eaf5da286a7faec04160e9117e811d364245c676af3b29023221d6c64324db5b16def5f00e4e0f0c1b7567a079644a5eaacf13301a8781
SSDEEP

12288:6QZuOWo7YNQN2YcKify3iC8ut0i1oQjUZbvFFF/Dr5uiuW:6nMwQgsiK3AcIXFFf5uiuW

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

maradoma.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2784-14-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2784-17-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2228-22-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2784-23-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2228-24-0x0000000010000000-0x000000001004D000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2168 set thread context of 2784	2168	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	30

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2784-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2784-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2784-17-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2784-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2784-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2784-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2228-22-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2784-23-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2228-24-0x0000000010000000-0x000000001004D000-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 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	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2168	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe
2168	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2784	2168	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2784	2168	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2784	2168	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2784	2168	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2784	2168	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2784	2168	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2784	2168	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2784	2168	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	30
PID 2784 wrote to memory of 2228	2784	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	31
PID 2784 wrote to memory of 2228	2784	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	31
PID 2784 wrote to memory of 2228	2784	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	31
PID 2784 wrote to memory of 2228	2784	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	31
PID 2784 wrote to memory of 2228	2784	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	31
PID 2784 wrote to memory of 2832	2784	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	32
PID 2784 wrote to memory of 2832	2784	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	32
PID 2784 wrote to memory of 2832	2784	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	32
PID 2784 wrote to memory of 2832	2784	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	32
PID 2784 wrote to memory of 2832	2784	5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\5a86e50772560aa88dcbad3ee94f1c13_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2228
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2832

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/2168-15-0x00000000035E0000-0x0000000003990000-memory.dmp

Filesize
3.7MB

Download
memory/2168-19-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/2168-0-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/2228-24-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2228-22-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2784-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2784-16-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/2784-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2784-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2784-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2784-17-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2784-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2784-23-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2784-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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