xtremerat | ada883dfcd8d0efc19e5fdb5623aa7694d750228ad13fbdc737b1b32682d10ba

General

Target

2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe
Size

66KB
MD5

2107e93e3cacbd5201def9b129ade1e8
SHA1

4c906e3743b22e9306fba48a11274abacd8038d9
SHA256

ada883dfcd8d0efc19e5fdb5623aa7694d750228ad13fbdc737b1b32682d10ba
SHA512

3a868e65ede422763f92fe34bd82ff28e686ae5aa2e3bb4eec5b851e2d7f1fa3624b82b30dd461f4cbda028ec4765816eac6c612ac98b5b44647dad94475c530
SSDEEP

1536:T5Y6YvpkACgeTWj+CEo6PD1IVs9/0ijHS9fO07ks:lovLCg2Wj+CL2p39sdB3

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4712-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4712-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1796-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4712-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1796-12-0x0000000010000000-0x000000001004D000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 660 set thread context of 4712	660	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	86

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4712-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4712-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4712-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4712-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1796-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4712-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1796-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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
996	1796	WerFault.exe	87
3728	1796	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	660	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 660 wrote to memory of 4712	660	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	86
PID 660 wrote to memory of 4712	660	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	86
PID 660 wrote to memory of 4712	660	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	86
PID 660 wrote to memory of 4712	660	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	86
PID 660 wrote to memory of 4712	660	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	86
PID 660 wrote to memory of 4712	660	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	86
PID 660 wrote to memory of 4712	660	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	86
PID 660 wrote to memory of 4712	660	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	86
PID 4712 wrote to memory of 1796	4712	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	87
PID 4712 wrote to memory of 1796	4712	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	87
PID 4712 wrote to memory of 1796	4712	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	87
PID 4712 wrote to memory of 1796	4712	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	87
PID 4712 wrote to memory of 1936	4712	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	88
PID 4712 wrote to memory of 1936	4712	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	88
PID 4712 wrote to memory of 1936	4712	2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:660
- C:\Users\Admin\AppData\Local\Temp\2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2107e93e3cacbd5201def9b129ade1e8_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1796
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 480
      4⤵
      Program crash
      PID:996
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 488
      4⤵
      Program crash
      PID:3728
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1796 -ip 1796
1⤵
PID:920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1796 -ip 1796
1⤵
PID:3172

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/660-0-0x00000000754D2000-0x00000000754D3000-memory.dmp

Filesize
4KB

Download
memory/660-1-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/660-2-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/660-9-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/1796-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1796-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4712-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4712-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4712-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4712-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4712-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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