xtremerat | e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587

General

Target

e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe
Size

54KB
MD5

04c4553c0a90ce1678e23e9caeb1e638
SHA1

f5e8af3974ecff65dbd7438c492c26073dbdc33f
SHA256

e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587
SHA512

d1f188b4b1f2e255e2f6de3ca4a76ade1dd32f9126a284acadb65cebec875f98f3755124124b8ea17c50e4137445b04144e51762d408877d6eee48d23d9f5b02
SSDEEP

768:qiIofHSeDVtA/Wy8XIvguzGZkmNi8KicZu4CHzGmSVbRnb1UGme4oUL3zePZo5YC:qSrCJRvghVNDuZ0Gm4V1UGm3oozeR9o

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

撰hack4ps.no-ip.info

6JhgEskcretMKY0gNfPERSISTxkiller.no-ip.info

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3428-136-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3428-137-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3428-138-0x0000000010000000-0x000000001004D000-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

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{4J2HF5HQ-7067-T665-0KA3-I527GLTEG0RC}	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4J2HF5HQ-7067-T665-0KA3-I527GLTEG0RC}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3428-133-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3428-135-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3428-136-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3428-137-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3428-138-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4628 set thread context of 3428	4628	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe	81

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\InstallDir\Server.exe	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe
File created	C:\Windows\InstallDir\Server.exe	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3428	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 3428	4628	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe	81
PID 4628 wrote to memory of 3428	4628	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe	81
PID 4628 wrote to memory of 3428	4628	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe	81
PID 4628 wrote to memory of 3428	4628	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe	81
PID 4628 wrote to memory of 3428	4628	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe	81
PID 4628 wrote to memory of 3428	4628	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe	81
PID 4628 wrote to memory of 3428	4628	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe	81
PID 4628 wrote to memory of 3428	4628	e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe	81

C:\Users\Admin\AppData\Local\Temp\e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe
"C:\Users\Admin\AppData\Local\Temp\e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Users\Admin\AppData\Local\Temp\e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe
  C:\Users\Admin\AppData\Local\Temp\e327a743f81a3ae07c17f1d5a57828ad4710538b7720415d0ffb26ec3c4d3587.exe
  2⤵
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:3428

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3428-133-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3428-135-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3428-136-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3428-137-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3428-138-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads