xtremerat | d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6

General

Target

d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe
Size

210KB
MD5

0f51672a55a399ae1f55d193587b1fb0
SHA1

8d9fd2d1e0008c01426f81cfb287b1a5455eaa0e
SHA256

d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6
SHA512

8544a19d9be192f8c4c629dfb7b3f270469ebb6fe77c1a6988db014e420a147eac5b786c68bdc9ec72446a13d9258d94fff334d474920834c6129cc7602527d2
SSDEEP

3072:GQSX9ZtY+aNukDvGHZKEhfrFm3BVexFd2X3FvJ/XjO0gfOws3e8ssslHixkSHir3:GQmmM55KEJronrBtXjOV/GI

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

Svicen2010dj.zapto.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/1324-138-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1368-139-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral2/memory/1324-140-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1368-141-0x0000000010000000-0x000000001004D000-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/1324-135-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1324-137-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1324-138-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1324-140-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1368-141-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4896 set thread context of 1324	4896	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	83

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
1556	1368	WerFault.exe	84
1836	1368	WerFault.exe	84

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4896	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 1324	4896	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	83
PID 4896 wrote to memory of 1324	4896	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	83
PID 4896 wrote to memory of 1324	4896	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	83
PID 4896 wrote to memory of 1324	4896	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	83
PID 4896 wrote to memory of 1324	4896	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	83
PID 4896 wrote to memory of 1324	4896	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	83
PID 4896 wrote to memory of 1324	4896	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	83
PID 4896 wrote to memory of 1324	4896	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	83
PID 1324 wrote to memory of 1368	1324	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	84
PID 1324 wrote to memory of 1368	1324	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	84
PID 1324 wrote to memory of 1368	1324	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	84
PID 1324 wrote to memory of 1368	1324	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	84
PID 1324 wrote to memory of 1580	1324	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	85
PID 1324 wrote to memory of 1580	1324	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	85
PID 1324 wrote to memory of 1580	1324	d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe	85

C:\Users\Admin\AppData\Local\Temp\d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe
"C:\Users\Admin\AppData\Local\Temp\d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Users\Admin\AppData\Local\Temp\d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe
  C:\Users\Admin\AppData\Local\Temp\d2aeef4cfda303e6ba76ea2bb618f7a4c0a79ffe925bf154aa8912c50b7b97f6.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1324
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:1368
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 496
      4⤵
      Program crash
      PID:1556
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 504
      4⤵
      Program crash
      PID:1836
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 1368 -ip 1368
1⤵
PID:1912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1368 -ip 1368
1⤵
PID:4832

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/1324-135-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1324-137-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1324-138-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1324-140-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1368-141-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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