89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda

General

Target

89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe
Size

69KB
MD5

59de701fe87acd8863e5175d6f33cd1b
SHA1

04795374816358bbdd9015ba77abdc1ca6a84065
SHA256

89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda
SHA512

11315ae8778f1f713979106668a2b5945bab6e8ad28d0ed7f0be2a7113b23c4851470730938dc74a378c482de9c7365f128233ce725f5af7668aad83cdf903ba
SSDEEP

1536:2lB+r9Byk/wG4N94T0rXJx3aGGRWoHMEEFEo6:+B+rqltgHMEEFEo6

Score

9^/10

adware stealer upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 6 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Windows\SysWOW64\savec32.dll	acprotect
\Windows\SysWOW64\savec32.dll	acprotect
\Windows\SysWOW64\savec32.dll	acprotect
\Windows\SysWOW64\savec32.dll	acprotect
\Windows\SysWOW64\savec32.dll	acprotect
behavioral1/memory/1080-63-0x0000000020000000-0x0000000020023000-memory.dmp	acprotect

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
C:\Windows\SysWOW64\savec32.dll	upx
\Windows\SysWOW64\savec32.dll	upx
\Windows\SysWOW64\savec32.dll	upx
\Windows\SysWOW64\savec32.dll	upx
\Windows\SysWOW64\savec32.dll	upx
behavioral1/memory/1080-63-0x0000000020000000-0x0000000020023000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

268 cmd.exe
Loads dropped DLL 4 IoCs

Processes:

rundll32.exe

pid process

1080 rundll32.exe
1080 rundll32.exe
1080 rundll32.exe
1080 rundll32.exe

pid	process
268	cmd.exe

pid	process
1080	rundll32.exe
1080	rundll32.exe
1080	rundll32.exe
1080	rundll32.exe

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{E8FD36B2-A25B-47e3-9477-82557F5F5995}	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe

Drops file in System32 directory 2 IoCs

Processes:

89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe

description	ioc	process
File created	C:\Windows\SysWOW64\ekd.txt	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe
File created	C:\Windows\SysWOW64\savec32.dll	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe

Drops file in Windows directory 1 IoCs

Processes:

89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe

description ioc process

File created C:\Windows\inform.dat 89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\inform.dat	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes"	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe

Modifies registry class 9 IoCs

Processes:

89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E8FD36B2-A25B-47e3-9477-82557F5F5995}\ProgID	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E8FD36B2-A25B-47e3-9477-82557F5F5995}\TypeLib\ = "{54197CBC-3D68-4e8d-8DD2-BD9D50342244}"	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E8FD36B2-A25B-47e3-9477-82557F5F5995}	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E8FD36B2-A25B-47e3-9477-82557F5F5995}\InprocServer32	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E8FD36B2-A25B-47e3-9477-82557F5F5995}\InprocServer32\ = "savec32.dll"	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E8FD36B2-A25B-47e3-9477-82557F5F5995}\TypeLib	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E8FD36B2-A25B-47e3-9477-82557F5F5995}\ = "Rmn plugin"	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E8FD36B2-A25B-47e3-9477-82557F5F5995}\InprocServer32\ThreadingModel = "Apartment"	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E8FD36B2-A25B-47e3-9477-82557F5F5995}\ProgID\ = "RITLAB.1"	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe

description	pid	process	target process
PID 1360 wrote to memory of 1080	1360	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe	rundll32.exe
PID 1360 wrote to memory of 1080	1360	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe	rundll32.exe
PID 1360 wrote to memory of 1080	1360	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe	rundll32.exe
PID 1360 wrote to memory of 1080	1360	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe	rundll32.exe
PID 1360 wrote to memory of 1080	1360	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe	rundll32.exe
PID 1360 wrote to memory of 1080	1360	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe	rundll32.exe
PID 1360 wrote to memory of 1080	1360	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe	rundll32.exe
PID 1360 wrote to memory of 268	1360	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe	cmd.exe
PID 1360 wrote to memory of 268	1360	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe	cmd.exe
PID 1360 wrote to memory of 268	1360	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe	cmd.exe
PID 1360 wrote to memory of 268	1360	89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe
"C:\Users\Admin\AppData\Local\Temp\89897675e760194e89e17ec2588f91d1c85aa93d9132c65258db4a87877fadda.exe"
1⤵
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1360

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" savec32.dll,InitDll
2⤵
- Loads dropped DLL
PID:1080

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\898976~1.EXE >> NUL
2⤵
- Deletes itself
PID:268

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\savec32.dll
Filesize
44KB

MD5
a7e9dd508c1ed1e7b4af7f1507e9bac5

SHA1
8c9850e485a42fab8d65bdd4a5c3a014715b3406

SHA256
88ef17464130d253535a353e5eea57c5156334533500edbf15280f31d49be3b4

SHA512
c1ddbbeae9e5767c7035739d461ad552f5371c0514d1c149e79b1091a6d27f2ceefe19ca48e4e508c9718998a806e5a9e66ecfec81292a21d7993529a9503f94

Download Submit
\Windows\SysWOW64\savec32.dll
Filesize
44KB

MD5
a7e9dd508c1ed1e7b4af7f1507e9bac5

SHA1
8c9850e485a42fab8d65bdd4a5c3a014715b3406

SHA256
88ef17464130d253535a353e5eea57c5156334533500edbf15280f31d49be3b4

SHA512
c1ddbbeae9e5767c7035739d461ad552f5371c0514d1c149e79b1091a6d27f2ceefe19ca48e4e508c9718998a806e5a9e66ecfec81292a21d7993529a9503f94

Download Submit
\Windows\SysWOW64\savec32.dll
Filesize
44KB

MD5
a7e9dd508c1ed1e7b4af7f1507e9bac5

SHA1
8c9850e485a42fab8d65bdd4a5c3a014715b3406

SHA256
88ef17464130d253535a353e5eea57c5156334533500edbf15280f31d49be3b4

SHA512
c1ddbbeae9e5767c7035739d461ad552f5371c0514d1c149e79b1091a6d27f2ceefe19ca48e4e508c9718998a806e5a9e66ecfec81292a21d7993529a9503f94

Download Submit
\Windows\SysWOW64\savec32.dll
Filesize
44KB

MD5
a7e9dd508c1ed1e7b4af7f1507e9bac5

SHA1
8c9850e485a42fab8d65bdd4a5c3a014715b3406

SHA256
88ef17464130d253535a353e5eea57c5156334533500edbf15280f31d49be3b4

SHA512
c1ddbbeae9e5767c7035739d461ad552f5371c0514d1c149e79b1091a6d27f2ceefe19ca48e4e508c9718998a806e5a9e66ecfec81292a21d7993529a9503f94

Download Submit
\Windows\SysWOW64\savec32.dll
Filesize
44KB

MD5
a7e9dd508c1ed1e7b4af7f1507e9bac5

SHA1
8c9850e485a42fab8d65bdd4a5c3a014715b3406

SHA256
88ef17464130d253535a353e5eea57c5156334533500edbf15280f31d49be3b4

SHA512
c1ddbbeae9e5767c7035739d461ad552f5371c0514d1c149e79b1091a6d27f2ceefe19ca48e4e508c9718998a806e5a9e66ecfec81292a21d7993529a9503f94

Download Submit
memory/268-56-0x0000000000000000-mapping.dmp

Download
memory/1080-55-0x0000000000000000-mapping.dmp

Download
memory/1080-63-0x0000000020000000-0x0000000020023000-memory.dmp

Filesize
140KB

Download
memory/1080-64-0x0000000020000000-0x0000000020023000-memory.dmp

Filesize
140KB

Download
memory/1080-65-0x0000000020000000-0x0000000020023000-memory.dmp

Filesize
140KB

Download
memory/1360-54-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads