xtremerat | 5cb0ceae6defeec61d21753f19b534173952b0e2fd39c28f4fda86d5a782a71b

General

Target
89f2e626923b9fca12e544d8d955b617.exe
Size 69KB
Sample240202-tkj21sccej
SHA256 5cb0ceae6defeec61d21753f19b534173952b0e2fd39c28f4fda86d5a782a71b
MD5 89f2e626923b9fca12e544d8d955b617
SHA1 ef1dc352ba18d0e428c0aca96cd10ef0f1767a55
SHA512 4ff271b82774cd602f3cd0957c0aa345cc2a36cf66acd2427dda90d2b6841064ee48bb3d7538f4ac02472d6690017bab1bf34b4d867bd2e451dd8160e38df219
SSDEEP 1536:tGwVFdsU2yUwVXx/z3fK/Lt4lyVnegqJ0ZjmGhFueN3J3z:Uwt2sV3fKTtE3sjukJj
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

hck-hck.no-ip.org

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/1160-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1160-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1160-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1160-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1636-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1160-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1636-10-0x0000000010000000-0x000000001004A000-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 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1096-0-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/1096-5-0x0000000000400000-0x000000000044F000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1096 set thread context of 1160	1096	89f2e626923b9fca12e544d8d955b617.exe	86

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
3860	1636	WerFault.exe	87
3380	1636	WerFault.exe	87

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1096	89f2e626923b9fca12e544d8d955b617.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 1160	1096	89f2e626923b9fca12e544d8d955b617.exe	86
PID 1096 wrote to memory of 1160	1096	89f2e626923b9fca12e544d8d955b617.exe	86
PID 1096 wrote to memory of 1160	1096	89f2e626923b9fca12e544d8d955b617.exe	86
PID 1096 wrote to memory of 1160	1096	89f2e626923b9fca12e544d8d955b617.exe	86
PID 1096 wrote to memory of 1160	1096	89f2e626923b9fca12e544d8d955b617.exe	86
PID 1096 wrote to memory of 1160	1096	89f2e626923b9fca12e544d8d955b617.exe	86
PID 1096 wrote to memory of 1160	1096	89f2e626923b9fca12e544d8d955b617.exe	86
PID 1096 wrote to memory of 1160	1096	89f2e626923b9fca12e544d8d955b617.exe	86
PID 1096 wrote to memory of 1160	1096	89f2e626923b9fca12e544d8d955b617.exe	86
PID 1096 wrote to memory of 1160	1096	89f2e626923b9fca12e544d8d955b617.exe	86
PID 1096 wrote to memory of 1160	1096	89f2e626923b9fca12e544d8d955b617.exe	86
PID 1096 wrote to memory of 1160	1096	89f2e626923b9fca12e544d8d955b617.exe	86
PID 1096 wrote to memory of 1160	1096	89f2e626923b9fca12e544d8d955b617.exe	86
PID 1160 wrote to memory of 1636	1160	89f2e626923b9fca12e544d8d955b617.exe	87
PID 1160 wrote to memory of 1636	1160	89f2e626923b9fca12e544d8d955b617.exe	87
PID 1160 wrote to memory of 1636	1160	89f2e626923b9fca12e544d8d955b617.exe	87
PID 1160 wrote to memory of 1636	1160	89f2e626923b9fca12e544d8d955b617.exe	87
PID 1160 wrote to memory of 2716	1160	89f2e626923b9fca12e544d8d955b617.exe	90
PID 1160 wrote to memory of 2716	1160	89f2e626923b9fca12e544d8d955b617.exe	90
PID 1160 wrote to memory of 2716	1160	89f2e626923b9fca12e544d8d955b617.exe	90

C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
"C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1160
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:1636
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 480
      4⤵
      Program crash
      PID:3860
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 504
      4⤵
      Program crash
      PID:3380
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1636 -ip 1636
1⤵
PID:1980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1636 -ip 1636
1⤵
PID:632

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1096-0-0x0000000000400000-0x000000000044F000-memory.dmp

Download

memory/1096-5-0x0000000000400000-0x000000000044F000-memory.dmp

Download

memory/1160-3-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/1160-4-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/1160-6-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/1160-7-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/1160-9-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/1636-8-0x0000000010000000-0x000000001004A000-memory.dmp

Download

memory/1636-10-0x0000000010000000-0x000000001004A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads