xtremerat | 2e1e4efc1bf6491f49d159a3814e6b6b65b07fb6c890d6125aeef17c9744f58b

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-02-2025 17:18

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General

Target

JaffaCakes118_fad27522f88d833604c58cda87c32bf3.exe
Size

33KB
MD5

fad27522f88d833604c58cda87c32bf3
SHA1

7bf839cd135125c8fee42fac5707af1ce2b08f23
SHA256

2e1e4efc1bf6491f49d159a3814e6b6b65b07fb6c890d6125aeef17c9744f58b
SHA512

bfbdd4d8fe53bf1601e7a4b63ff2f353a539c22e71e63b70b372f578045ba44e7d32b58c603fb4b86bb0a4d59b4ba295893905da947563c2c62e0d12bbb84d22
SSDEEP

768:wMuijtHf5g7/IIG3bGcYDBSvFIWuePQDGEsgRMdd5rZHUwbtLNO:5NW71rcYDAWeoDrsEud5rZ0w5N

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2792-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2800-4-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2792-5-0x0000000010000000-0x000000001004D000-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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2800-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2792-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2800-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2792-5-0x0000000010000000-0x000000001004D000-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 2 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_fad27522f88d833604c58cda87c32bf3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 2792	2800	JaffaCakes118_fad27522f88d833604c58cda87c32bf3.exe	31
PID 2800 wrote to memory of 2792	2800	JaffaCakes118_fad27522f88d833604c58cda87c32bf3.exe	31
PID 2800 wrote to memory of 2792	2800	JaffaCakes118_fad27522f88d833604c58cda87c32bf3.exe	31
PID 2800 wrote to memory of 2792	2800	JaffaCakes118_fad27522f88d833604c58cda87c32bf3.exe	31
PID 2800 wrote to memory of 2792	2800	JaffaCakes118_fad27522f88d833604c58cda87c32bf3.exe	31
PID 2800 wrote to memory of 2844	2800	JaffaCakes118_fad27522f88d833604c58cda87c32bf3.exe	32
PID 2800 wrote to memory of 2844	2800	JaffaCakes118_fad27522f88d833604c58cda87c32bf3.exe	32
PID 2800 wrote to memory of 2844	2800	JaffaCakes118_fad27522f88d833604c58cda87c32bf3.exe	32
PID 2800 wrote to memory of 2844	2800	JaffaCakes118_fad27522f88d833604c58cda87c32bf3.exe	32
PID 2800 wrote to memory of 2844	2800	JaffaCakes118_fad27522f88d833604c58cda87c32bf3.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fad27522f88d833604c58cda87c32bf3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fad27522f88d833604c58cda87c32bf3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2792
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2792-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2792-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2792-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2800-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2800-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download