xtremerat | 90c73004a698704f7252c3f941323425610a49bf909f4ee3f1579897ac2ab474

General

Target

JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe
Size

61KB
MD5

f7c8fb3e941672208832623c00042d67
SHA1

1c24bdae294e044dff767256e180e000e78feef9
SHA256

90c73004a698704f7252c3f941323425610a49bf909f4ee3f1579897ac2ab474
SHA512

ac430bee2e37b66f6f1e31655350f33198af26fa96563a50490a1cc7cd825bfc3e764e4e72d6634d8099cb981bf9f0050663f5ff47e620d89ef3b6a4591779f3
SSDEEP

1536:OqMxCxZyzT81Rap5R8mkPWO79RPbovi036E:ONxCbB1RapHDdq9hW6E

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

mimmo86.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/1496-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1496-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2944-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1496-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2944-11-0x0000000010000000-0x000000001004D000-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 1712 set thread context of 1496	1712	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	29

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1496-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1496-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1496-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1496-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2944-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1496-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2944-11-0x0000000010000000-0x000000001004D000-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	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1712	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 1496	1712	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	29
PID 1712 wrote to memory of 1496	1712	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	29
PID 1712 wrote to memory of 1496	1712	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	29
PID 1712 wrote to memory of 1496	1712	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	29
PID 1712 wrote to memory of 1496	1712	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	29
PID 1712 wrote to memory of 1496	1712	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	29
PID 1712 wrote to memory of 1496	1712	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	29
PID 1712 wrote to memory of 1496	1712	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	29
PID 1712 wrote to memory of 1496	1712	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	29
PID 1496 wrote to memory of 2944	1496	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	30
PID 1496 wrote to memory of 2944	1496	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	30
PID 1496 wrote to memory of 2944	1496	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	30
PID 1496 wrote to memory of 2944	1496	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	30
PID 1496 wrote to memory of 2944	1496	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	30
PID 1496 wrote to memory of 2320	1496	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	31
PID 1496 wrote to memory of 2320	1496	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	31
PID 1496 wrote to memory of 2320	1496	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	31
PID 1496 wrote to memory of 2320	1496	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	31
PID 1496 wrote to memory of 2320	1496	JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f7c8fb3e941672208832623c00042d67.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1496
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2944
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2320

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/1496-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1496-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1496-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1496-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1496-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2944-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2944-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2944-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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