xtremerat | 6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208

General

Target

6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe
Size

237KB
MD5

bb1349a308133fd9e4c5abbbb3c9f916
SHA1

1c23d0291ce79a9e1947ff8b410ab851ce574f6b
SHA256

6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208
SHA512

8c40320ec6cd128c9c7df8476489b08a244eb6afe283ea664d8de1171059799863d90d988a5fcaaf99491921d988bb0726bd63e2c73030d979f90533f0f02f91
SSDEEP

6144:zqY9SC2DqBRhVh8njm9VCwH+ep7Ld7G8nZDHpv:uYMusnjmLjbiqHv

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

xtrema.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/1272-138-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4060-139-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral2/memory/1272-140-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4060-141-0x0000000010000000-0x000000001004D000-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

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1272-135-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1272-137-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1272-138-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1272-140-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4060-141-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3540 set thread context of 1272	3540	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	84

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2680	4060	WerFault.exe	85
5056	4060	WerFault.exe	85

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3540	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 1272	3540	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	84
PID 3540 wrote to memory of 1272	3540	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	84
PID 3540 wrote to memory of 1272	3540	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	84
PID 3540 wrote to memory of 1272	3540	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	84
PID 3540 wrote to memory of 1272	3540	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	84
PID 3540 wrote to memory of 1272	3540	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	84
PID 3540 wrote to memory of 1272	3540	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	84
PID 3540 wrote to memory of 1272	3540	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	84
PID 1272 wrote to memory of 4060	1272	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	85
PID 1272 wrote to memory of 4060	1272	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	85
PID 1272 wrote to memory of 4060	1272	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	85
PID 1272 wrote to memory of 4060	1272	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	85
PID 1272 wrote to memory of 1844	1272	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	86
PID 1272 wrote to memory of 1844	1272	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	86
PID 1272 wrote to memory of 1844	1272	6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe	86

C:\Users\Admin\AppData\Local\Temp\6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe
"C:\Users\Admin\AppData\Local\Temp\6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Users\Admin\AppData\Local\Temp\6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe
  C:\Users\Admin\AppData\Local\Temp\6ba23dde45052a3c6bc265c3b0a3da529ed08b7aa2532b0f2f723264bc8de208.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1272
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:4060
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 480
      4⤵
      Program crash
      PID:2680
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 488
      4⤵
      Program crash
      PID:5056
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4060 -ip 4060
1⤵
PID:212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4060 -ip 4060
1⤵
PID:2944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1272-134-0x0000000000000000-mapping.dmp

Download
memory/1272-135-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1272-137-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1272-138-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1272-140-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4060-139-0x0000000000000000-mapping.dmp

Download
memory/4060-141-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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