xtremerat | 12c18964bcd5e3514ccd91c06a7dcc8702cd83b29e353a5f5f112b7deb38fe12

General

Target

JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe
Size

161KB
MD5

df534c0e8982a498b681936a3a13e388
SHA1

8065f726379c9243fbc06c3223132da1224a6e26
SHA256

12c18964bcd5e3514ccd91c06a7dcc8702cd83b29e353a5f5f112b7deb38fe12
SHA512

524ccc770afa315a654d51cd251ac4db76aaab68f6bec82f2ba03dba7e31c6782c6b324969305b986de6f3711e741c4f5eaaee13e0f8395bb05c0550fe59bbaa
SSDEEP

3072:M/Fg/aDgAg446PAfkTT7FtSx7FLdpTHuxDpVt6lwQKklHYrJoUV:ygbf65bcRpOjclw/ksJ

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

dectator-1.no-ip.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/2892-4-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2892-3-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2892-5-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2892-7-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4244-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2892-9-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4244-10-0x0000000010000000-0x0000000010048000-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 2032 set thread context of 2892	2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	83

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2032-0-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/2032-6-0x0000000000400000-0x0000000000470000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4028	4244	WerFault.exe	84
436	4244	WerFault.exe	84

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_df534c0e8982a498b681936a3a13e388.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 2892	2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	83
PID 2032 wrote to memory of 2892	2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	83
PID 2032 wrote to memory of 2892	2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	83
PID 2032 wrote to memory of 2892	2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	83
PID 2032 wrote to memory of 2892	2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	83
PID 2032 wrote to memory of 2892	2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	83
PID 2032 wrote to memory of 2892	2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	83
PID 2032 wrote to memory of 2892	2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	83
PID 2032 wrote to memory of 2892	2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	83
PID 2032 wrote to memory of 2892	2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	83
PID 2032 wrote to memory of 2892	2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	83
PID 2032 wrote to memory of 2892	2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	83
PID 2032 wrote to memory of 2892	2032	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	83
PID 2892 wrote to memory of 4244	2892	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	84
PID 2892 wrote to memory of 4244	2892	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	84
PID 2892 wrote to memory of 4244	2892	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	84
PID 2892 wrote to memory of 4244	2892	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	84
PID 2892 wrote to memory of 3900	2892	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	85
PID 2892 wrote to memory of 3900	2892	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	85
PID 2892 wrote to memory of 3900	2892	JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_df534c0e8982a498b681936a3a13e388.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2892
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4244
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4244 -s 480
      4⤵
      Program crash
      PID:4028
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4244 -s 500
      4⤵
      Program crash
      PID:436
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4244 -ip 4244
1⤵
PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4244 -ip 4244
1⤵
PID:4308

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/2032-0-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2032-6-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2892-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2892-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2892-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2892-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2892-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4244-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4244-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

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