1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a

General

Target

1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
Size

350KB
MD5

01202732d53aa438f714aa18a1969b30
SHA1

ae3ffc7b5c00a3288658034586ebeaa848cb9594
SHA256

1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a
SHA512

057165ccca0fadb21c01f8269018999d2e5d02e2e7d6782da20a1d11afd067e1077895443bd61b53b1e4dd8f3c3717091a5d78c81bb94e5d08763928df5b7622
SSDEEP

6144:4yXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:43BdQLL4BE93NGVYZX9BukJlwxSJdEm

Score

8^/10

adware discovery exploit persistence stealer upx

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

Processes:

1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\25b0fa36.sys	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
File created	C:\Windows\SysWOW64\drivers\591bcfb0.sys	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

576 takeown.exe
1520 icacls.exe

pid	process
576	takeown.exe
1520	icacls.exe

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\591bcfb0\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\591bcfb0.sys"	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\25b0fa36\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\25b0fa36.sys"	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1652-55-0x0000000001000000-0x000000000112D000-memory.dmp	upx
behavioral1/memory/1652-56-0x0000000001000000-0x000000000112D000-memory.dmp	upx
behavioral1/memory/1652-61-0x0000000001000000-0x000000000112D000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

688 cmd.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

576 takeown.exe
1520 icacls.exe

pid	process
688	cmd.exe

pid	process
576	takeown.exe
1520	icacls.exe

Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

Drops file in System32 directory 5 IoCs

Processes:

1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\goodsb.dll	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
File created	C:\Windows\SysWOW64\goodsb.dll	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
File created	C:\Windows\SysWOW64\ws2tcpip.dll	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
File opened for modification	C:\Windows\SysWOW64\ws2tcpip.dll	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
File created	C:\Windows\SysWOW64\wshtcpip.dll	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

Modifies registry class 4 IoCs

Processes:

1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID\name = "1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe"	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL\name = "wtFhwuB.dll"	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

pid	process
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

Suspicious behavior: LoadsDriver 5 IoCs

Processes:

1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

pid	process
464
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
464
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exetakeown.exe

description	pid	process
Token: SeDebugPrivilege	1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
Token: SeTakeOwnershipPrivilege	576	takeown.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.execmd.exe

description	pid	process	target process
PID 1652 wrote to memory of 588	1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe	cmd.exe
PID 1652 wrote to memory of 588	1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe	cmd.exe
PID 1652 wrote to memory of 588	1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe	cmd.exe
PID 1652 wrote to memory of 588	1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe	cmd.exe
PID 588 wrote to memory of 576	588	cmd.exe	takeown.exe
PID 588 wrote to memory of 576	588	cmd.exe	takeown.exe
PID 588 wrote to memory of 576	588	cmd.exe	takeown.exe
PID 588 wrote to memory of 576	588	cmd.exe	takeown.exe
PID 588 wrote to memory of 1520	588	cmd.exe	icacls.exe
PID 588 wrote to memory of 1520	588	cmd.exe	icacls.exe
PID 588 wrote to memory of 1520	588	cmd.exe	icacls.exe
PID 588 wrote to memory of 1520	588	cmd.exe	icacls.exe
PID 1652 wrote to memory of 688	1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe	cmd.exe
PID 1652 wrote to memory of 688	1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe	cmd.exe
PID 1652 wrote to memory of 688	1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe	cmd.exe
PID 1652 wrote to memory of 688	1652	1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe
"C:\Users\Admin\AppData\Local\Temp\1771f7813d53060da8bb77c990aa9f98604f2dc8c74ebcebb1e2400f5c516a6a.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c takeown /f C:\Windows\SysWOW64\wshtcpip.dll && icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
2⤵
- Suspicious use of WriteProcessMemory
PID:588

C:\Windows\SysWOW64\takeown.exe
takeown /f C:\Windows\SysWOW64\wshtcpip.dll
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:576

C:\Windows\SysWOW64\icacls.exe
icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1520

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
2⤵
- Deletes itself
PID:688

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

File Permissions Modification

1

T1222

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
Filesize
181B

MD5
747b319ed12e093e199d69450a81db81

SHA1
ac77e6c689de008ce7d8dc452b3a6b14a0b7c2ca

SHA256
ce771a39885616f1518795be7ea60750be4dd5cdb4d873132f635cdb29a7659c

SHA512
2d762c45bc82ba29970d9d87297a9701bc9ed1ef89600c4ffe81a7b0be1091f6b5012f4d07f49a8afb49f96eab14df2842246f3cf5364ff04ca6cb6be16d03ac

Download Submit
memory/576-58-0x0000000000000000-mapping.dmp

Download
memory/588-57-0x0000000000000000-mapping.dmp

Download
memory/688-60-0x0000000000000000-mapping.dmp

Download
memory/1520-59-0x0000000000000000-mapping.dmp

Download
memory/1652-54-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/1652-55-0x0000000001000000-0x000000000112D000-memory.dmp

Filesize
1.2MB

Download
memory/1652-56-0x0000000001000000-0x000000000112D000-memory.dmp

Filesize
1.2MB

Download
memory/1652-61-0x0000000001000000-0x000000000112D000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads