1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1

Analysis

max time kernel
152s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2022, 16:48

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General

Target

1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1.exe
Size

112KB
MD5

6e4d6081ffe3bc28bad422c3192eaa40
SHA1

aa7de75e912174450b77a99023d38f48a8c0a401
SHA256

1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1
SHA512

a32fde5e9657abf97b9eb344e35086eb389c8a2870fc01eec1e354736032f30274c6bf4eaf0411de5285c59fe561a4318c55fffc8c9795891df491b178812f5d
SSDEEP

3072:33SHhw5mjr/aEDS1kYDduFifqhn+25Uf6ggrz:HSHO5mjrjASifMn+Tf6pz

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
224	taskdir.exe

Loads dropped DLL 1 IoCs

pid	Process
224	taskdir.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskdir = "C:\\Windows\\system32\\taskdir.exe"	1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\taskdir.exe	1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1.exe
File opened for modification	C:\Windows\SysWOW64\taskdir.exe	1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1.exe
File created	C:\Windows\SysWOW64\taskdir.exe	taskdir.exe
File created	C:\Windows\SysWOW64\zlbw.dll	taskdir.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4960	1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1.exe
Token: SeDebugPrivilege	224	taskdir.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 224	4960	1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1.exe	89
PID 4960 wrote to memory of 224	4960	1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1.exe	89
PID 4960 wrote to memory of 224	4960	1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1.exe	89

C:\Users\Admin\AppData\Local\Temp\1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1.exe
"C:\Users\Admin\AppData\Local\Temp\1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Windows\SysWOW64\taskdir.exe
  taskdir.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  PID:224

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\taskdir.exe

Filesize
112KB

MD5
6e4d6081ffe3bc28bad422c3192eaa40

SHA1
aa7de75e912174450b77a99023d38f48a8c0a401

SHA256
1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1

SHA512
a32fde5e9657abf97b9eb344e35086eb389c8a2870fc01eec1e354736032f30274c6bf4eaf0411de5285c59fe561a4318c55fffc8c9795891df491b178812f5d

Download Submit
C:\Windows\SysWOW64\taskdir.exe

Filesize
112KB

MD5
6e4d6081ffe3bc28bad422c3192eaa40

SHA1
aa7de75e912174450b77a99023d38f48a8c0a401

SHA256
1ad8053498e96f3c900f3806a9c083f2a5184333f3fa294eb1ab4a1186e16bd1

SHA512
a32fde5e9657abf97b9eb344e35086eb389c8a2870fc01eec1e354736032f30274c6bf4eaf0411de5285c59fe561a4318c55fffc8c9795891df491b178812f5d

Download Submit
C:\Windows\SysWOW64\zlbw.dll

Filesize
45KB

MD5
f42601d4ac18bb06d830b6f8e4500adf

SHA1
66ff00d72ed68fa417638b514610c7cf611ddb90

SHA256
2c54ec6433444a5173a38c75f46c8bec63f90c3ed6efea20beac76c67bc27c95

SHA512
8011e932f363fd5730a2cf27ca36a8b62e1c1e61d188bb08b6aad927e2b1a06f8b2ee1c26fff4863fa99d1675fc72d4159b331a3ae25acee0b18e3e41dcb741f

Download Submit