xtremerat | 22280a64f89b228bbbf38c12002bc498335af1b66abbc827460669d8e94dea1f

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
17/01/2025, 22:21

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General

Target

JaffaCakes118_98b2c8bb6f1c9b40d12e3c551e21a910.exe
Size

33KB
MD5

98b2c8bb6f1c9b40d12e3c551e21a910
SHA1

80aabc3e040b94087c341ad14ce19cbdda02a647
SHA256

22280a64f89b228bbbf38c12002bc498335af1b66abbc827460669d8e94dea1f
SHA512

d7a720c52039178e3edbe994e01f5f302f5fe043a93221500a5aa4d91cff8db6d9d9b70f460029b837e84a21df9f7ba0ed4beb10e9634cf6a0237eb67a674a94
SSDEEP

768:hMuijtHf5g7/IIG3bGcYDBSvFIWuePQDGEsgCBmXRXegg:KNW71rcYDAWeoDrsDM

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

almoalem.myvnc.com

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/1596-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1644-4-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1596-5-0x0000000010000000-0x000000001004D000-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/1644-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1596-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1644-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1596-5-0x0000000010000000-0x000000001004D000-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_98b2c8bb6f1c9b40d12e3c551e21a910.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 1596	1644	JaffaCakes118_98b2c8bb6f1c9b40d12e3c551e21a910.exe	31
PID 1644 wrote to memory of 1596	1644	JaffaCakes118_98b2c8bb6f1c9b40d12e3c551e21a910.exe	31
PID 1644 wrote to memory of 1596	1644	JaffaCakes118_98b2c8bb6f1c9b40d12e3c551e21a910.exe	31
PID 1644 wrote to memory of 1596	1644	JaffaCakes118_98b2c8bb6f1c9b40d12e3c551e21a910.exe	31
PID 1644 wrote to memory of 1596	1644	JaffaCakes118_98b2c8bb6f1c9b40d12e3c551e21a910.exe	31
PID 1644 wrote to memory of 2492	1644	JaffaCakes118_98b2c8bb6f1c9b40d12e3c551e21a910.exe	32
PID 1644 wrote to memory of 2492	1644	JaffaCakes118_98b2c8bb6f1c9b40d12e3c551e21a910.exe	32
PID 1644 wrote to memory of 2492	1644	JaffaCakes118_98b2c8bb6f1c9b40d12e3c551e21a910.exe	32
PID 1644 wrote to memory of 2492	1644	JaffaCakes118_98b2c8bb6f1c9b40d12e3c551e21a910.exe	32
PID 1644 wrote to memory of 2492	1644	JaffaCakes118_98b2c8bb6f1c9b40d12e3c551e21a910.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98b2c8bb6f1c9b40d12e3c551e21a910.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98b2c8bb6f1c9b40d12e3c551e21a910.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1596
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:2492

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/1596-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1596-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1596-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1644-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1644-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download