xtremerat | 93bede6cfbeb17b1a633155f8a967bc1962e37f16376f6f6e33da00cae255019

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11-10-2024 18:09

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General

Target

3623bb4c4f5a45d82b4b5ddad48b0f83_JaffaCakes118.exe
Size

30KB
MD5

3623bb4c4f5a45d82b4b5ddad48b0f83
SHA1

b39a0408c43b6718283b39946e4acb6dea5003e1
SHA256

93bede6cfbeb17b1a633155f8a967bc1962e37f16376f6f6e33da00cae255019
SHA512

e6af7d75835b2e95c31951f0de79fc8bdca5921f0ed4d9e15a949a72bbcedcaca2b9b2e478dcfd63689947b98b19e95b0d59eaa803b2e87c3dce4db806f91e80
SSDEEP

768:64l/50VTed7NY+K3LeJPd2lVMG7Rxrl4U2sJD78T0P26FP:MTyu7YOMqRvBD720+

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

daduji.3322.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/1448-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2384-4-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/1448-5-0x0000000010000000-0x000000001004A000-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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2384-0-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/1448-3-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/2384-4-0x0000000010000000-0x000000001004A000-memory.dmp	upx
behavioral1/memory/1448-5-0x0000000010000000-0x000000001004A000-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	3623bb4c4f5a45d82b4b5ddad48b0f83_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 1448	2384	3623bb4c4f5a45d82b4b5ddad48b0f83_JaffaCakes118.exe	30
PID 2384 wrote to memory of 1448	2384	3623bb4c4f5a45d82b4b5ddad48b0f83_JaffaCakes118.exe	30
PID 2384 wrote to memory of 1448	2384	3623bb4c4f5a45d82b4b5ddad48b0f83_JaffaCakes118.exe	30
PID 2384 wrote to memory of 1448	2384	3623bb4c4f5a45d82b4b5ddad48b0f83_JaffaCakes118.exe	30
PID 2384 wrote to memory of 1448	2384	3623bb4c4f5a45d82b4b5ddad48b0f83_JaffaCakes118.exe	30
PID 2384 wrote to memory of 2396	2384	3623bb4c4f5a45d82b4b5ddad48b0f83_JaffaCakes118.exe	31
PID 2384 wrote to memory of 2396	2384	3623bb4c4f5a45d82b4b5ddad48b0f83_JaffaCakes118.exe	31
PID 2384 wrote to memory of 2396	2384	3623bb4c4f5a45d82b4b5ddad48b0f83_JaffaCakes118.exe	31
PID 2384 wrote to memory of 2396	2384	3623bb4c4f5a45d82b4b5ddad48b0f83_JaffaCakes118.exe	31
PID 2384 wrote to memory of 2396	2384	3623bb4c4f5a45d82b4b5ddad48b0f83_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\3623bb4c4f5a45d82b4b5ddad48b0f83_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3623bb4c4f5a45d82b4b5ddad48b0f83_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1448
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:2396

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

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Downloads

memory/1448-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1448-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1448-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2384-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2384-4-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download