xtremerat | abdca7f8c8ab28a92898d3c89bb7288d868545df51802bdf66202255dec3ed09

General

Target

445b8009dd362ed5012282d275200d46_JaffaCakes118.exe
Size

125KB
MD5

445b8009dd362ed5012282d275200d46
SHA1

3f741c7019db0c4ca566f6232e5a1861e33f5ffa
SHA256

abdca7f8c8ab28a92898d3c89bb7288d868545df51802bdf66202255dec3ed09
SHA512

8ed9ed04c34672094ffb337f93831f20556081ab66e1635c1754f975adeb3f92439a7fba94f0a8eaf735c7726b67bf568643e9f47f956d17e9ccd226fcd9c389
SSDEEP

3072:wdb4uocLRg9kJU/KRSM+ioQIyoiAhmiOCdiUD2WBB2AYj1HXeG:clR1JU/KRSM+iFIyoiAh7OC4UDxBBx4J

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

iceop.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/3384-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3384-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/440-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3384-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/440-11-0x0000000010000000-0x000000001004D000-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 4220 set thread context of 3384	4220	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	84

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3384-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3384-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3384-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3384-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/440-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3384-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/440-11-0x0000000010000000-0x000000001004D000-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
4572	440	WerFault.exe	86
4388	440	WerFault.exe	86

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	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4220	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 3384	4220	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	84
PID 4220 wrote to memory of 3384	4220	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	84
PID 4220 wrote to memory of 3384	4220	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	84
PID 4220 wrote to memory of 3384	4220	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	84
PID 4220 wrote to memory of 3384	4220	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	84
PID 4220 wrote to memory of 3384	4220	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	84
PID 4220 wrote to memory of 3384	4220	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	84
PID 4220 wrote to memory of 3384	4220	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	84
PID 3384 wrote to memory of 440	3384	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	86
PID 3384 wrote to memory of 440	3384	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	86
PID 3384 wrote to memory of 440	3384	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	86
PID 3384 wrote to memory of 440	3384	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	86
PID 3384 wrote to memory of 2312	3384	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	89
PID 3384 wrote to memory of 2312	3384	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	89
PID 3384 wrote to memory of 2312	3384	445b8009dd362ed5012282d275200d46_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\445b8009dd362ed5012282d275200d46_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\445b8009dd362ed5012282d275200d46_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Users\Admin\AppData\Local\Temp\445b8009dd362ed5012282d275200d46_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\445b8009dd362ed5012282d275200d46_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3384
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:440
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 440 -s 476
      4⤵
      Program crash
      PID:4572
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 440 -s 488
      4⤵
      Program crash
      PID:4388
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 440 -ip 440
1⤵
PID:2740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 440 -ip 440
1⤵
PID:1488

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/440-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/440-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3384-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3384-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3384-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3384-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3384-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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