3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0

General

Target

3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
Size

350KB
MD5

80fdd5e3fdfaba98ced681a84eb78d60
SHA1

7ae5391c4fd0c115c668a6341dbf60bd67d544e6
SHA256

3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0
SHA512

54c2a81a507b088fd9d55b213fac39bf9fb8cdd4dc0329fb31962ff5712db97e4356e1cdeab3fdda29da8fcdabbd0e5f8de533698d149f1a14f76fbc6b959476
SSDEEP

6144:XyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:X3BdQLL4BE93NGVYZX9BukJlwxSJdEm

Score

8^/10

adware discovery exploit persistence stealer upx

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

Processes:

3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\2e520b70.sys	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
File created	C:\Windows\SysWOW64\drivers\52f93ef6.sys	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

icacls.exetakeown.exe

pid process

364 icacls.exe
368 takeown.exe

pid	process
364	icacls.exe
368	takeown.exe

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\2e520b70\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\2e520b70.sys"	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\52f93ef6\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\52f93ef6.sys"	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/968-55-0x0000000001000000-0x000000000112D000-memory.dmp	upx
behavioral1/memory/968-56-0x0000000001000000-0x000000000112D000-memory.dmp	upx
behavioral1/memory/968-61-0x0000000001000000-0x000000000112D000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

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

File Permissions Modification
T1222

Processes:

icacls.exetakeown.exe

pid process

364 icacls.exe
368 takeown.exe

pid	process
780	cmd.exe

pid	process
364	icacls.exe
368	takeown.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:

3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe

Drops file in System32 directory 5 IoCs

Processes:

3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ws2tcpip.dll	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
File created	C:\Windows\SysWOW64\wshtcpip.dll	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
File opened for modification	C:\Windows\SysWOW64\goodsb.dll	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
File created	C:\Windows\SysWOW64\goodsb.dll	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
File created	C:\Windows\SysWOW64\ws2tcpip.dll	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe

Modifies registry class 4 IoCs

Processes:

3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID\name = "3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe"	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL\name = "Jn378.dll"	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe

pid	process
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe

Suspicious behavior: LoadsDriver 5 IoCs

Processes:

3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe

pid	process
464
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
464
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exetakeown.exe

description	pid	process
Token: SeDebugPrivilege	968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
Token: SeTakeOwnershipPrivilege	368	takeown.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.execmd.exe

description	pid	process	target process
PID 968 wrote to memory of 536	968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe	cmd.exe
PID 968 wrote to memory of 536	968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe	cmd.exe
PID 968 wrote to memory of 536	968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe	cmd.exe
PID 968 wrote to memory of 536	968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe	cmd.exe
PID 536 wrote to memory of 368	536	cmd.exe	takeown.exe
PID 536 wrote to memory of 368	536	cmd.exe	takeown.exe
PID 536 wrote to memory of 368	536	cmd.exe	takeown.exe
PID 536 wrote to memory of 368	536	cmd.exe	takeown.exe
PID 536 wrote to memory of 364	536	cmd.exe	icacls.exe
PID 536 wrote to memory of 364	536	cmd.exe	icacls.exe
PID 536 wrote to memory of 364	536	cmd.exe	icacls.exe
PID 536 wrote to memory of 364	536	cmd.exe	icacls.exe
PID 968 wrote to memory of 780	968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe	cmd.exe
PID 968 wrote to memory of 780	968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe	cmd.exe
PID 968 wrote to memory of 780	968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe	cmd.exe
PID 968 wrote to memory of 780	968	3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.exe
"C:\Users\Admin\AppData\Local\Temp\3a42ce62dc71201bb0b8ee51bcae0504d98914c5ac78fddc733c97cb9a827fc0.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:968

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:536

C:\Windows\SysWOW64\icacls.exe
icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:364

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:368

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
2⤵
- Deletes itself
PID:780

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
f11b6a7c240583f4c5f5a6bf305faba8

SHA1
9d0f08bf31da8a594017a8b100388a2427943d9a

SHA256
dfac64e662905004204ae16fac6685d314cd61a5b4238bed72e3ef7a04d653c8

SHA512
d8897ebe26f2fbb7ee24a306dfd66cb477f9371cc7dfab11b8918016ec4c17f2d6e06b990e4e13e9c0822b3b4d4b3626de5b7894465379e6c798a370220d9b1f

Download Submit
memory/364-59-0x0000000000000000-mapping.dmp

Download
memory/368-58-0x0000000000000000-mapping.dmp

Download
memory/536-57-0x0000000000000000-mapping.dmp

Download
memory/780-60-0x0000000000000000-mapping.dmp

Download
memory/968-54-0x0000000075501000-0x0000000075503000-memory.dmp

Filesize
8KB

Download
memory/968-55-0x0000000001000000-0x000000000112D000-memory.dmp

Filesize
1.2MB

Download
memory/968-56-0x0000000001000000-0x000000000112D000-memory.dmp

Filesize
1.2MB

Download
memory/968-61-0x0000000001000000-0x000000000112D000-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