xtremerat | a948c5aaeb23903d22a493268ec9fd43c2e44c6292085a9912918af528efcc6a

General

Target
2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe
Size 442KB
Sample240709-drlanawbmg
SHA256 a948c5aaeb23903d22a493268ec9fd43c2e44c6292085a9912918af528efcc6a
MD5 2ecd96bb0ad550c50687b612617a2626
SHA1 3cec3157cd5815248113e45e78377451aa7b7e28
SHA512 587b76fa25821e505275fe970ab86b7f22e34d868fca188390d03201272d5ac8ca5320abb1893d3c4059f67bbd5dc970427abbcdda7272d909ff804a092426dc
SSDEEP 6144:ftOjSNLzdYDZ0LRDBbTUQzf2/kQaeA9Hzl43a0ar4ypv/GP70DPI9VpDbj7N:VOuSSTnUQzzdTCar4ypmP7xbj7N
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

xsstrema.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/2524-8-0x0000000010000000-0x000000001004E000-memory.dmp	family_xtremerat
behavioral2/memory/4816-9-0x0000000010000000-0x000000001004E000-memory.dmp	family_xtremerat
behavioral2/memory/2524-10-0x0000000010000000-0x000000001004E000-memory.dmp	family_xtremerat
behavioral2/memory/4816-11-0x0000000010000000-0x000000001004E000-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 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2524-2-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/2524-4-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/2524-6-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/2524-8-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/4816-9-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/2524-10-0x0000000010000000-0x000000001004E000-memory.dmp	upx
behavioral2/memory/4816-11-0x0000000010000000-0x000000001004E000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 456 set thread context of 2524	456	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	84

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
2540	4816	WerFault.exe	86
2308	4816	WerFault.exe	86

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
456	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 456 wrote to memory of 2524	456	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	84
PID 456 wrote to memory of 2524	456	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	84
PID 456 wrote to memory of 2524	456	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	84
PID 456 wrote to memory of 2524	456	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	84
PID 456 wrote to memory of 2524	456	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	84
PID 456 wrote to memory of 2524	456	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	84
PID 456 wrote to memory of 2524	456	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	84
PID 456 wrote to memory of 2524	456	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	84
PID 456 wrote to memory of 2524	456	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	84
PID 2524 wrote to memory of 4816	2524	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	86
PID 2524 wrote to memory of 4816	2524	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	86
PID 2524 wrote to memory of 4816	2524	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	86
PID 2524 wrote to memory of 4816	2524	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	86
PID 2524 wrote to memory of 1492	2524	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	87
PID 2524 wrote to memory of 1492	2524	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	87
PID 2524 wrote to memory of 1492	2524	2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:456
- C:\Users\Admin\AppData\Local\Temp\2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\2ecd96bb0ad550c50687b612617a2626_JaffaCakes118.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:4816
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 480
      4⤵
      Program crash
      PID:2540
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 488
      4⤵
      Program crash
      PID:2308
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4816 -ip 4816
1⤵
PID:1676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4816 -ip 4816
1⤵
PID:4356

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/2524-2-0x0000000010000000-0x000000001004E000-memory.dmp

Download

memory/2524-4-0x0000000010000000-0x000000001004E000-memory.dmp

Download

memory/2524-6-0x0000000010000000-0x000000001004E000-memory.dmp

Download

memory/2524-8-0x0000000010000000-0x000000001004E000-memory.dmp

Download

memory/2524-10-0x0000000010000000-0x000000001004E000-memory.dmp

Download

memory/4816-9-0x0000000010000000-0x000000001004E000-memory.dmp

Download

memory/4816-11-0x0000000010000000-0x000000001004E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads