40780122d45bacb1cc5c87fcb3b5565319d9ff0a5ff74e3ee83053d4a48237db

Analysis

max time kernel
149s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
14/10/2026, 09:43

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.dndr.dll
Size 55KB
Sample261014-lp88psa15y
SHA256 40780122d45bacb1cc5c87fcb3b5565319d9ff0a5ff74e3ee83053d4a48237db
MD5 cb1ec83199f953fc12418bb5e3625d07
SHA1 f74d12a1ba1470b66f7f043c840e30c095e802d9
SHA512 3d889fd59c9a1c8ee21f09619c6e7f8847f5f73ae9a7ab2974fdfce9aedc478e7f1c83fbf4560a0b8dfaedd3979c00a78c0e4562d50b93abaca1ccdf2ad24a2c
SSDEEP 1536:GQ3tfgXKC4V2lqLAx0pSc7xFrpYE6RzZnlbGDF9QUFE:VfgXKC4V2jxsL9Frpb6XnwDFrFE
TLSH
T16843BF556A26697EE7FBDE3B89AB397C8B212373FE236897541761400437181BE0124F
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
behavioral1/memory/4540-0-0x0000000010000000-0x0000000010016000-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 3156 wrote to memory of 4540	3156	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dndr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dndr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4540

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/4540-0-0x0000000010000000-0x0000000010016000-memory.dmp

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