xtremerat | b76af5ae5caf68b5afd1f4bd5ef54b23c833960d5ce5b3f00ee66ab4b9996849

General

Target

20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe
Size

272KB
MD5

20bdf082026a74f1f31a5b1c12fd6763
SHA1

4295e87724307cb40fdb1acc0471e7bfcf35cfd9
SHA256

b76af5ae5caf68b5afd1f4bd5ef54b23c833960d5ce5b3f00ee66ab4b9996849
SHA512

242a2913168495a3c9c3f4f5a8aa8a50217aa8351c14c8ca8052641b10252ee3e8be6cfc6e0a981e093cb6a1cea7ec718cb7192889caf266995e54f0fc13c1f7
SSDEEP

3072:Uzjx6rrzaLlQsPNxffh0X27HYpN4PFX1EQ80jPvidNfDN:6k27HYf4PDs0jPvidN

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

ssaaiq.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/1248-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1248-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1020-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1248-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1020-12-0x0000000010000000-0x000000001004D000-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 2128 set thread context of 1248	2128	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	31

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1248-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1248-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1248-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1248-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1020-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1248-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1020-12-0x0000000010000000-0x000000001004D000-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	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2128	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 1248	2128	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	31
PID 2128 wrote to memory of 1248	2128	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	31
PID 2128 wrote to memory of 1248	2128	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	31
PID 2128 wrote to memory of 1248	2128	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	31
PID 2128 wrote to memory of 1248	2128	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	31
PID 2128 wrote to memory of 1248	2128	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	31
PID 2128 wrote to memory of 1248	2128	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	31
PID 2128 wrote to memory of 1248	2128	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	31
PID 2128 wrote to memory of 1248	2128	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	31
PID 1248 wrote to memory of 1020	1248	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	32
PID 1248 wrote to memory of 1020	1248	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	32
PID 1248 wrote to memory of 1020	1248	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	32
PID 1248 wrote to memory of 1020	1248	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	32
PID 1248 wrote to memory of 1020	1248	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	32
PID 1248 wrote to memory of 2420	1248	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	33
PID 1248 wrote to memory of 2420	1248	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	33
PID 1248 wrote to memory of 2420	1248	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	33
PID 1248 wrote to memory of 2420	1248	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	33
PID 1248 wrote to memory of 2420	1248	20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\20bdf082026a74f1f31a5b1c12fd6763_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1248
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1020
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2420

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/1020-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1020-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1020-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1248-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1248-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1248-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1248-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1248-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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