xtremerat | 259b8a3d65f2fa46f6a5d28882bb9f72b6f2ec8ef82829398e8ec6a2c90d6fbe

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07-10-2024 11:39

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General

Target

1d3e56109ae34fd7d674b8e4ef2f1f5a_JaffaCakes118.exe
Size

33KB
MD5

1d3e56109ae34fd7d674b8e4ef2f1f5a
SHA1

09aac7fe2d064502f7ea0b99e27a86e3c3f8d406
SHA256

259b8a3d65f2fa46f6a5d28882bb9f72b6f2ec8ef82829398e8ec6a2c90d6fbe
SHA512

87ee72ac04eb1d79fa072e7b787ba760081d4dce6ac4e10ea70311238e62b7341efbe3b98196278eeda3b1ab8e79faf733d56708b7d3dd51451f658c60ca7a28
SSDEEP

768:JMuijtHf5g7/IIG3rGcYDiSvFIWuePhDGEsgaBQX9vgsgn8dP:CNW71bcYDbWeZDrsLq9bg8d

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

devr.no-ip.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2196-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2120-4-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2196-5-0x0000000010000000-0x000000001004D000-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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2120-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2196-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2120-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2196-5-0x0000000010000000-0x000000001004D000-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	1d3e56109ae34fd7d674b8e4ef2f1f5a_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 2120 wrote to memory of 2196	2120	1d3e56109ae34fd7d674b8e4ef2f1f5a_JaffaCakes118.exe	30
PID 2120 wrote to memory of 2196	2120	1d3e56109ae34fd7d674b8e4ef2f1f5a_JaffaCakes118.exe	30
PID 2120 wrote to memory of 2196	2120	1d3e56109ae34fd7d674b8e4ef2f1f5a_JaffaCakes118.exe	30
PID 2120 wrote to memory of 2196	2120	1d3e56109ae34fd7d674b8e4ef2f1f5a_JaffaCakes118.exe	30
PID 2120 wrote to memory of 2196	2120	1d3e56109ae34fd7d674b8e4ef2f1f5a_JaffaCakes118.exe	30
PID 2120 wrote to memory of 2356	2120	1d3e56109ae34fd7d674b8e4ef2f1f5a_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2356	2120	1d3e56109ae34fd7d674b8e4ef2f1f5a_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2356	2120	1d3e56109ae34fd7d674b8e4ef2f1f5a_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2356	2120	1d3e56109ae34fd7d674b8e4ef2f1f5a_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2356	2120	1d3e56109ae34fd7d674b8e4ef2f1f5a_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\1d3e56109ae34fd7d674b8e4ef2f1f5a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1d3e56109ae34fd7d674b8e4ef2f1f5a_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2196
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:2356

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/2120-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2120-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2196-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2196-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2196-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download