a6f47784afd2c7f33c32639643e4535e249ca237414e5be7976e9b3045df3ffb

Analysis

max time kernel
96s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 01:31

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General

Target

Znkzcxi.exe
Size

1.7MB
MD5

be852e807a629c65f1b41617c8348f2c
SHA1

05d64861185f84e071d8c98eaf7ea86d22bd921d
SHA256

b1b74ff5c67cfdc16f1cb30db9b885046c4c5d71af575a2d3de4a79918c1ce89
SHA512

116f8da7c3c1bd69c3ff600348c35f4ad181f1c47a093d7224118c26c8d9ac03cba220dddb9d3fb7fdbf7aab52ff78fd9f064956007d6480ddb4d6ea38e6cea8
SSDEEP

49152:fU/FMktb3x+muH5i44fTco84Ws5zwgio:cdMEb3x+mulIoh4H1i

Score

10^/10

discovery persistence

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4332 created 3404	4332	Znkzcxi.exe	55

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ftambasixc = "C:\\Users\\Admin\\AppData\\Roaming\\Ftambasixc.exe"	Znkzcxi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4332 set thread context of 4736	4332	Znkzcxi.exe	83

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	Znkzcxi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4332	Znkzcxi.exe
4332	Znkzcxi.exe
4332	Znkzcxi.exe
4332	Znkzcxi.exe
4736	InstallUtil.exe
4736	InstallUtil.exe
4736	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4332	Znkzcxi.exe
Token: SeDebugPrivilege	4332	Znkzcxi.exe
Token: SeDebugPrivilege	4736	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4332 wrote to memory of 4736	4332	Znkzcxi.exe	83
PID 4332 wrote to memory of 4736	4332	Znkzcxi.exe	83
PID 4332 wrote to memory of 4736	4332	Znkzcxi.exe	83
PID 4332 wrote to memory of 4736	4332	Znkzcxi.exe	83
PID 4332 wrote to memory of 4736	4332	Znkzcxi.exe	83
PID 4332 wrote to memory of 4736	4332	Znkzcxi.exe	83
PID 4332 wrote to memory of 4736	4332	Znkzcxi.exe	83
PID 4332 wrote to memory of 4736	4332	Znkzcxi.exe	83

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3404
- C:\Users\Admin\AppData\Local\Temp\Znkzcxi.exe
  "C:\Users\Admin\AppData\Local\Temp\Znkzcxi.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4332
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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/4332-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/4332-1-0x0000000000B60000-0x0000000000D14000-memory.dmp

Filesize
1.7MB

Download
memory/4332-2-0x00000000057A0000-0x0000000005932000-memory.dmp

Filesize
1.6MB

Download
memory/4332-10-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-24-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-48-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-44-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-66-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-64-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-62-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-60-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-58-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-57-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-54-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-52-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-51-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-46-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-42-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-40-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-38-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-36-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-34-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-32-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-30-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-28-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-22-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-20-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-19-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-16-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-14-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-12-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-8-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-6-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-26-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-4-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-3-0x00000000057A0000-0x000000000592C000-memory.dmp

Filesize
1.5MB

Download
memory/4332-1077-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4332-1078-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4332-1079-0x0000000005930000-0x0000000005A3C000-memory.dmp

Filesize
1.0MB

Download
memory/4332-1080-0x0000000005730000-0x000000000577C000-memory.dmp

Filesize
304KB

Download
memory/4332-1081-0x0000000005C70000-0x0000000005D02000-memory.dmp

Filesize
584KB

Download
memory/4332-1082-0x0000000005D50000-0x0000000005DB6000-memory.dmp

Filesize
408KB

Download
memory/4332-1083-0x0000000006370000-0x0000000006914000-memory.dmp

Filesize
5.6MB

Download
memory/4332-1087-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4332-1088-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4332-1089-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4332-1090-0x00000000062A0000-0x00000000062F4000-memory.dmp

Filesize
336KB

Download
memory/4332-1094-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4736-1096-0x0000000002E20000-0x0000000002E28000-memory.dmp

Filesize
32KB

Download
memory/4736-1093-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/4736-1095-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4736-1098-0x0000000005450000-0x0000000005532000-memory.dmp

Filesize
904KB

Download
memory/4736-1097-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4736-3975-0x0000000005670000-0x00000000056E2000-memory.dmp

Filesize
456KB

Download
memory/4736-3977-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download