6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02

General

Target

6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe
Size

2.0MB
MD5

4fafff53eb3b2bffc2eecfdd47cd7a03
SHA1

8c46164f41e47a123a877590ca9d14e4dd48d5bd
SHA256

6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02
SHA512

bc067942224c844aaabfa017a623c7dcf0b7ec4f55ff2f5f774b78466c1a93ca951b62930eb5ae49bfa8bd62534fd22f4edb44e8977b7c091c470732558b942a
SSDEEP

49152:dryR4nWLGC43UD41Lm79ePoyaSOT6vZFw8U:0RW+AWdgZG8U

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

ctbow.exe

pid process

880 ctbow.exe

pid	process
880	ctbow.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ÎÒµÄÆô¶¯Ïî = "C:\\Windows\\system32\\/ctbow.exe"	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe

Drops file in System32 directory 1 IoCs

Processes:

6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe

description ioc process

File created C:\Windows\SysWOW64\ctbow.exe 6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe

description	ioc	process
File created	C:\Windows\SysWOW64\ctbow.exe	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

Processes:

6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe

pid	process
4868	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe
4868	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe
4868	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

Processes:

6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exectbow.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\GPU	ctbow.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x1414\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"6.2.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	ctbow.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

Processes:

6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "www.2345.com/?keyybc"	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe

pid	process
4868	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe
4868	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe
4868	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe
4868	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exectbow.exe

pid	process
4868	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe
4868	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe
880	ctbow.exe
880	ctbow.exe
880	ctbow.exe
880	ctbow.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe

description	pid	process	target process
PID 4868 wrote to memory of 880	4868	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe	ctbow.exe
PID 4868 wrote to memory of 880	4868	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe	ctbow.exe
PID 4868 wrote to memory of 880	4868	6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe	ctbow.exe

C:\Users\Admin\AppData\Local\Temp\6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe
"C:\Users\Admin\AppData\Local\Temp\6a6654b5219ad38195b61e8287d6aab356f0eca40d8e809d422d9075c66dde02.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4868

C:\Windows\SysWOW64\ctbow.exe
C:\Windows\system32\/ctbow.exe
2⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:880

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\ctbow.exe

Filesize
860KB

MD5
b2d6bacc36f7bd353333e0b420f26d40

SHA1
fc6d42b77e8d897fc5c871d89aa7a646c43a7394

SHA256
6f5451d9d64e6b0c45a17ef0f418f2d43995e2ca384786fb7ccabd49210544bc

SHA512
bb840dd25e808a434fa5934d33c64fd94ae1946412e97f72d9c6e06e3cf85d2783d9ded3cb75e38ea42671b178a45fde1124acddce286508aba6e9e0e58746a1

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

Filesize
860KB

MD5
b2d6bacc36f7bd353333e0b420f26d40

SHA1
fc6d42b77e8d897fc5c871d89aa7a646c43a7394

SHA256
6f5451d9d64e6b0c45a17ef0f418f2d43995e2ca384786fb7ccabd49210544bc

SHA512
bb840dd25e808a434fa5934d33c64fd94ae1946412e97f72d9c6e06e3cf85d2783d9ded3cb75e38ea42671b178a45fde1124acddce286508aba6e9e0e58746a1

Download Submit
memory/880-1486-0x0000000000000000-mapping.dmp

Download
memory/4868-137-0x0000000075DE0000-0x0000000075E5A000-memory.dmp

Filesize
488KB

Download
memory/4868-132-0x0000000000400000-0x000000000073B000-memory.dmp

Filesize
3.2MB

Download
memory/4868-1479-0x0000000000400000-0x000000000073B000-memory.dmp

Filesize
3.2MB

Download
memory/4868-1480-0x0000000000400000-0x000000000073B000-memory.dmp

Filesize
3.2MB

Download
memory/4868-1481-0x0000000000400000-0x000000000073B000-memory.dmp

Filesize
3.2MB

Download
memory/4868-1482-0x0000000000400000-0x000000000073B000-memory.dmp

Filesize
3.2MB

Download
memory/4868-1484-0x0000000000400000-0x000000000073B000-memory.dmp

Filesize
3.2MB

Download
memory/4868-1485-0x0000000000400000-0x000000000073B000-memory.dmp

Filesize
3.2MB

Download
memory/4868-136-0x0000000076F00000-0x00000000770A0000-memory.dmp

Filesize
1.6MB

Download
memory/4868-134-0x0000000075800000-0x0000000075A15000-memory.dmp

Filesize
2.1MB

Download
memory/4868-133-0x00000000776E0000-0x0000000077883000-memory.dmp

Filesize
1.6MB

Download
memory/4868-1489-0x0000000000CD0000-0x0000000000DD0000-memory.dmp

Filesize
1024KB

Download
memory/4868-1490-0x0000000000400000-0x000000000073B000-memory.dmp

Filesize
3.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads