xtremerat | 73c00a7ab828e9409fca75ca2c96f5351abee13775ebe91361fd414cbcf5a233

General

Target

5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe
Size

111KB
MD5

5b8e18a6a15cc795a263236a8d7446bb
SHA1

abf6abe329180609e198f9628e87394111b95276
SHA256

73c00a7ab828e9409fca75ca2c96f5351abee13775ebe91361fd414cbcf5a233
SHA512

0edb94c0fd02d9b73717b697cda6561a3d3033ad4255c92a664f01e30e966b58008bb7fc890cae6a2e666e09597a5b47283f9243b42e8720b18106cf5ef48d7d
SSDEEP

1536:u2ghaZcYZqJC3xdTOuWrdhoh8SHtNeuH254uqXSXuh6Ox:uHaZ0JKZWxhPSNNy4uqXS

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

waresneis.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2100-27-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2100-28-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2572-31-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2100-32-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2572-33-0x0000000010000000-0x000000001004D000-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 2872 set thread context of 2100	2872	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	28

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2100-20-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2100-26-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2100-27-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2100-28-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2572-31-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2100-32-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2572-33-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2872	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2100	2872	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	28
PID 2872 wrote to memory of 2100	2872	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	28
PID 2872 wrote to memory of 2100	2872	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	28
PID 2872 wrote to memory of 2100	2872	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	28
PID 2872 wrote to memory of 2100	2872	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	28
PID 2872 wrote to memory of 2100	2872	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	28
PID 2872 wrote to memory of 2100	2872	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	28
PID 2872 wrote to memory of 2100	2872	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	28
PID 2872 wrote to memory of 2100	2872	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	28
PID 2100 wrote to memory of 2572	2100	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	29
PID 2100 wrote to memory of 2572	2100	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	29
PID 2100 wrote to memory of 2572	2100	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	29
PID 2100 wrote to memory of 2572	2100	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	29
PID 2100 wrote to memory of 2572	2100	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	29
PID 2100 wrote to memory of 2128	2100	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	30
PID 2100 wrote to memory of 2128	2100	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	30
PID 2100 wrote to memory of 2128	2100	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	30
PID 2100 wrote to memory of 2128	2100	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	30
PID 2100 wrote to memory of 2128	2100	5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Users\Admin\AppData\Local\Temp\5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\5b8e18a6a15cc795a263236a8d7446bb_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2572
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2128

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/2100-20-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2100-32-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2100-28-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2100-27-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2100-26-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2100-23-0x0000000000400000-0x000000000041C600-memory.dmp

Filesize
113KB

Download
memory/2572-33-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2572-29-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2572-31-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2872-11-0x0000000000360000-0x0000000000370000-memory.dmp

Filesize
64KB

Download
memory/2872-9-0x0000000000340000-0x0000000000350000-memory.dmp

Filesize
64KB

Download
memory/2872-7-0x00000000002A0000-0x00000000002B0000-memory.dmp

Filesize
64KB

Download
memory/2872-6-0x0000000000290000-0x00000000002A0000-memory.dmp

Filesize
64KB

Download
memory/2872-5-0x0000000000280000-0x0000000000290000-memory.dmp

Filesize
64KB

Download
memory/2872-4-0x0000000000270000-0x0000000000280000-memory.dmp

Filesize
64KB

Download
memory/2872-3-0x0000000000260000-0x0000000000270000-memory.dmp

Filesize
64KB

Download
memory/2872-2-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download
memory/2872-1-0x0000000000220000-0x0000000000230000-memory.dmp

Filesize
64KB

Download
memory/2872-8-0x0000000000330000-0x0000000000340000-memory.dmp

Filesize
64KB

Download
memory/2872-10-0x0000000000350000-0x0000000000360000-memory.dmp

Filesize
64KB

Download
memory/2872-25-0x0000000000400000-0x000000000041C600-memory.dmp

Filesize
113KB

Download
memory/2872-0-0x0000000000400000-0x000000000041C600-memory.dmp

Filesize
113KB

Download
memory/2872-22-0x0000000000440000-0x000000000045D000-memory.dmp

Filesize
116KB

Download
memory/2872-12-0x0000000000370000-0x0000000000380000-memory.dmp

Filesize
64KB

Download
memory/2872-13-0x0000000000380000-0x0000000000390000-memory.dmp

Filesize
64KB

Download
memory/2872-14-0x0000000000390000-0x00000000003A0000-memory.dmp

Filesize
64KB

Download
memory/2872-15-0x00000000003A0000-0x00000000003B0000-memory.dmp

Filesize
64KB

Download
memory/2872-16-0x00000000003B0000-0x00000000003C0000-memory.dmp

Filesize
64KB

Download
memory/2872-17-0x0000000000420000-0x0000000000430000-memory.dmp

Filesize
64KB

Download

Analysis

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