xtremerat | b23637e9976fe510cdf4c202ed10ba0e85d163413b5462534b7a89c814e0c7bd

General

Target

JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe
Size

84KB
MD5

fbc4ae038d4a2ec5e97050b4170560f9
SHA1

664b5214116ea52c5e18e98364c5c4b25f14b5d8
SHA256

b23637e9976fe510cdf4c202ed10ba0e85d163413b5462534b7a89c814e0c7bd
SHA512

0dcc10bdde623442ea76fa6d125ac10c0141316cf5b23c0bd04470e662bde70eedbf0808085852290ec4a1eb993e3a2c9a2fbc938521c86d9cdd319972229b87
SSDEEP

1536:k6ZHUqJSAEmiOiPQqvYtjePUbR5xyEiE8Js7zDOuaZohp:BxU2SHSklvYAMLQEiEEuxaZoX

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

borcanoo.zapto.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/1924-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2580-15-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1924-16-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2580-20-0x0000000010000000-0x000000001004D000-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 2504 set thread context of 1924	2504	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	30

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1924-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1924-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1924-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1924-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1924-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1924-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2580-15-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1924-16-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2580-20-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2504	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 1924	2504	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	30
PID 2504 wrote to memory of 1924	2504	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	30
PID 2504 wrote to memory of 1924	2504	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	30
PID 2504 wrote to memory of 1924	2504	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	30
PID 2504 wrote to memory of 1924	2504	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	30
PID 2504 wrote to memory of 1924	2504	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	30
PID 2504 wrote to memory of 1924	2504	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	30
PID 2504 wrote to memory of 1924	2504	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	30
PID 1924 wrote to memory of 2580	1924	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	31
PID 1924 wrote to memory of 2580	1924	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	31
PID 1924 wrote to memory of 2580	1924	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	31
PID 1924 wrote to memory of 2580	1924	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	31
PID 1924 wrote to memory of 2580	1924	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	31
PID 1924 wrote to memory of 1724	1924	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	32
PID 1924 wrote to memory of 1724	1924	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	32
PID 1924 wrote to memory of 1724	1924	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	32
PID 1924 wrote to memory of 1724	1924	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	32
PID 1924 wrote to memory of 1724	1924	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2580
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:1724

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/1924-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1924-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1924-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1924-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1924-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1924-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1924-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1924-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1924-16-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2504-0-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2504-17-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2504-18-0x0000000000380000-0x00000000003DE000-memory.dmp

Filesize
376KB

Download
memory/2580-15-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2580-20-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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