1cfa0a1c346ba192015e7442c14f4a19b66ef311e633e1a9fec34f6e2206c6f3

Analysis

max time kernel
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/10/2026, 09:40

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.dncq.dll
Size 58KB
Sample261014-lnmcjsa13x
SHA256 1cfa0a1c346ba192015e7442c14f4a19b66ef311e633e1a9fec34f6e2206c6f3
MD5 b8187d25ca5400c5578d9f7a1977628e
SHA1 9ae308e7fc0dfd177b7ec38bfd652636c0d99635
SHA512 b22cd09fe2427c7b49d3f031c78e66beb565ddcd25122cbc77d08c3ac8697f12ee21fd644e79fa3ce22c8dfde17af3bdb20cd98e430a89ad4f4c51dd4c5e6f41
SSDEEP 768:m+YlPqpYYCbfeUFzOVGz08kM3ExnkUzpr4W4WBKGdL29Td5m6RfLX8yeU4q++wRU:t2jeCTwD4SnDpNRkGV2VaJ8RJNnqGSI
TLSH
T1E843C0E58F2876B6E36F993789EB7C298A1133F7F44360AB042520C11576983EF0655F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4760-0-0x0000000010000000-0x000000001000E000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 4760	2620	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dncq.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dncq.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4760

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/4760-0-0x0000000010000000-0x000000001000E000-memory.dmp

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