27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5

General

Target

27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
Size

350KB
MD5

6329664aa70d0478fb8f10cffa333950
SHA1

9912884e832654398689f134704fba0605a7fb1c
SHA256

27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5
SHA512

a65636aa796fb66d80c73d1143e890469643db76c57de41bce2b9c25126e3d8cb8662ff13edaf06d692fae8308e03d28445b4b76e6b4c1abbe2c45d373b754b2
SSDEEP

6144:gyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:g3BdQLL4BE93NGVYZX9BukJlwxSJdEm

Score

8^/10

adware discovery exploit persistence stealer upx

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

Processes:

27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\1d204a2c.sys	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
File created	C:\Windows\SysWOW64\drivers\618b7faa.sys	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

icacls.exetakeown.exe

pid process

1532 icacls.exe
1536 takeown.exe

pid	process
1532	icacls.exe
1536	takeown.exe

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\1d204a2c\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\1d204a2c.sys"	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\618b7faa\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\618b7faa.sys"	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1388-55-0x0000000001000000-0x000000000112D000-memory.dmp	upx
behavioral1/memory/1388-56-0x0000000001000000-0x000000000112D000-memory.dmp	upx
behavioral1/memory/1388-61-0x0000000001000000-0x000000000112D000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1092 cmd.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1536 takeown.exe
1532 icacls.exe

pid	process
1092	cmd.exe

pid	process
1536	takeown.exe
1532	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:

27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe

Drops file in System32 directory 5 IoCs

Processes:

27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe

description	ioc	process
File created	C:\Windows\SysWOW64\wshtcpip.dll	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
File opened for modification	C:\Windows\SysWOW64\goodsb.dll	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
File created	C:\Windows\SysWOW64\goodsb.dll	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
File created	C:\Windows\SysWOW64\ws2tcpip.dll	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
File opened for modification	C:\Windows\SysWOW64\ws2tcpip.dll	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe

Modifies registry class 4 IoCs

Processes:

27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID\name = "27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe"	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL\name = "sfuwATH.dll"	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe

pid	process
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe

Suspicious behavior: LoadsDriver 5 IoCs

Processes:

27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe

pid	process
464
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
464
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exetakeown.exe

description	pid	process
Token: SeDebugPrivilege	1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
Token: SeTakeOwnershipPrivilege	1536	takeown.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.execmd.exe

description	pid	process	target process
PID 1388 wrote to memory of 1644	1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe	cmd.exe
PID 1388 wrote to memory of 1644	1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe	cmd.exe
PID 1388 wrote to memory of 1644	1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe	cmd.exe
PID 1388 wrote to memory of 1644	1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe	cmd.exe
PID 1644 wrote to memory of 1536	1644	cmd.exe	takeown.exe
PID 1644 wrote to memory of 1536	1644	cmd.exe	takeown.exe
PID 1644 wrote to memory of 1536	1644	cmd.exe	takeown.exe
PID 1644 wrote to memory of 1536	1644	cmd.exe	takeown.exe
PID 1644 wrote to memory of 1532	1644	cmd.exe	icacls.exe
PID 1644 wrote to memory of 1532	1644	cmd.exe	icacls.exe
PID 1644 wrote to memory of 1532	1644	cmd.exe	icacls.exe
PID 1644 wrote to memory of 1532	1644	cmd.exe	icacls.exe
PID 1388 wrote to memory of 1092	1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe	cmd.exe
PID 1388 wrote to memory of 1092	1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe	cmd.exe
PID 1388 wrote to memory of 1092	1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe	cmd.exe
PID 1388 wrote to memory of 1092	1388	27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.exe
"C:\Users\Admin\AppData\Local\Temp\27c00798bae1c92998a40c3ff1d8ec5f9c3a953296b8b790a5792ca70e2fe5f5.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:1388

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:1644

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:1536

C:\Windows\SysWOW64\icacls.exe
icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1532

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
2⤵
- Deletes itself
PID:1092

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
afdf52bc4df01003361d40b8addd694b

SHA1
f79376cd830624cc8da825b2e34ab563bbb55264

SHA256
6ab79111ecac347fea2e1d0aea83e6cdee6dbdd22c302c018df2334448237225

SHA512
4f865ccb513f11bf1565139b220887b6025f1c0e155da3364324439fbabda807e70f37d80d0153563bb31b4f1b0d3bb990607297f8ffe4671c999f8cca45c326

Download Submit
memory/1092-60-0x0000000000000000-mapping.dmp

Download
memory/1388-54-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/1388-55-0x0000000001000000-0x000000000112D000-memory.dmp

Filesize
1.2MB

Download
memory/1388-56-0x0000000001000000-0x000000000112D000-memory.dmp

Filesize
1.2MB

Download
memory/1388-61-0x0000000001000000-0x000000000112D000-memory.dmp

Filesize
1.2MB

Download
memory/1532-59-0x0000000000000000-mapping.dmp

Download
memory/1536-58-0x0000000000000000-mapping.dmp

Download
memory/1644-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads