xtremerat | 3f30afab8ca8d10e96b1508c9b2cffa791b229aaf4c78fc709828d5adcf20446

General

Target

JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe
Size

189KB
MD5

0e946f1d2564a2900e00409cbe07f843
SHA1

76cfd969a65fece860f2a11cf4e28c5b12d5914e
SHA256

3f30afab8ca8d10e96b1508c9b2cffa791b229aaf4c78fc709828d5adcf20446
SHA512

6ad84e638d78d1189f22542d6d4b7731506279657e657c65f59cfa9bff2ec560dbccedffa18af5ad4489d390c443c75b9e73233aad9c1c0b096ce92247f13cfb
SSDEEP

3072:Hd8pFuEq0KTLATpJsJKH4uFhgJnMvtH7fkelcxd6zYMaHQaqaOO2YsS8gcbDUC:Hd8pFzq0dWkFLPtH7dlcizYtR/2YsSc

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

ultrapro.no-ip.biz

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/3252-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3252-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4152-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4152-12-0x0000000010000000-0x000000001004D000-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
Xtremerat family
xtremerat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4012 set thread context of 3252	4012	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	82

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3252-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3252-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3252-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3252-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4152-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4152-12-0x0000000010000000-0x000000001004D000-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
2024	4152	WerFault.exe	83
4160	4152	WerFault.exe	83

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	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4012	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4012 wrote to memory of 3252	4012	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	82
PID 4012 wrote to memory of 3252	4012	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	82
PID 4012 wrote to memory of 3252	4012	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	82
PID 4012 wrote to memory of 3252	4012	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	82
PID 4012 wrote to memory of 3252	4012	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	82
PID 4012 wrote to memory of 3252	4012	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	82
PID 4012 wrote to memory of 3252	4012	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	82
PID 4012 wrote to memory of 3252	4012	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	82
PID 3252 wrote to memory of 4152	3252	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	83
PID 3252 wrote to memory of 4152	3252	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	83
PID 3252 wrote to memory of 4152	3252	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	83
PID 3252 wrote to memory of 4152	3252	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	83
PID 3252 wrote to memory of 3044	3252	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	84
PID 3252 wrote to memory of 3044	3252	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	84
PID 3252 wrote to memory of 3044	3252	JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e946f1d2564a2900e00409cbe07f843.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3252
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4152
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4152 -s 484
      4⤵
      Program crash
      PID:2024
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4152 -s 504
      4⤵
      Program crash
      PID:4160
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4152 -ip 4152
1⤵
PID:1092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4152 -ip 4152
1⤵
PID:3820

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/3252-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3252-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3252-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3252-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4012-0-0x00000000754C2000-0x00000000754C3000-memory.dmp

Filesize
4KB

Download
memory/4012-1-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/4012-2-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/4012-9-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/4152-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4152-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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