d22f7d73778ef7a9421c94e25ee930f834f00f1f312c118b7c336ea5b6a215b1

General

Target

CF߱Ѫٷµͼ͸_se.exe
Size

2.0MB
MD5

1a163ebbf2a240dd8d14e428ccb8583e
SHA1

5a7166d8d93c5d30fa5cc07a4934716dedacd376
SHA256

09b1d389f22f1f4ad96eef137a8dca0d337bc906732ae0e3877fdcea17b4ea25
SHA512

b1553f637da1187411f9e27fc46f98b3ae6866846b655e9d80ace6a8a661183fdb82e1568805ef6c08ec7ac34c8f635e9ff7706f55985d4bbad5b47b7575871e
SSDEEP

49152:6V/Rwt6wwRI2RxKmITTnsStgCX/TeUqXCQxRWo48E:6NRwt6wUy/nsStg2/ytWo48E

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

ctbow.exe

pid process

1304 ctbow.exe

pid	process
1304	ctbow.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

CF߱Ѫٷµͼ͸_se.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ÎÒµÄÆô¶¯Ïî = "C:\\Windows\\system32\\/ctbow.exe"	CF߱Ѫٷµͼ͸_se.exe

Drops file in System32 directory 1 IoCs

Processes:

CF߱Ѫٷµͼ͸_se.exe

description ioc process

File created C:\Windows\SysWOW64\ctbow.exe CF߱Ѫٷµͼ͸_se.exe

description	ioc	process
File created	C:\Windows\SysWOW64\ctbow.exe	CF߱Ѫٷµͼ͸_se.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

CF߱Ѫٷµͼ͸_se.exe

pid	process
1768	CF߱Ѫٷµͼ͸_se.exe
1768	CF߱Ѫٷµͼ͸_se.exe
1768	CF߱Ѫٷµͼ͸_se.exe
1768	CF߱Ѫٷµͼ͸_se.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

CF߱Ѫٷµͼ͸_se.exectbow.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	CF߱Ѫٷµͼ͸_se.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	ctbow.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\GPU	ctbow.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\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 2 IoCs

stealer

Modify Registry

T1112

Processes:

ctbow.exeCF߱Ѫٷµͼ͸_se.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "www.2345.com/?keyybc"	ctbow.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "www.2345.com/?keyybc"	CF߱Ѫٷµͼ͸_se.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

CF߱Ѫٷµͼ͸_se.exe

pid	process
1768	CF߱Ѫٷµͼ͸_se.exe
1768	CF߱Ѫٷµͼ͸_se.exe
1768	CF߱Ѫٷµͼ͸_se.exe
1768	CF߱Ѫٷµͼ͸_se.exe
1768	CF߱Ѫٷµͼ͸_se.exe
1768	CF߱Ѫٷµͼ͸_se.exe
1768	CF߱Ѫٷµͼ͸_se.exe
1768	CF߱Ѫٷµͼ͸_se.exe
1768	CF߱Ѫٷµͼ͸_se.exe
1768	CF߱Ѫٷµͼ͸_se.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

CF߱Ѫٷµͼ͸_se.exectbow.exe

pid	process
1768	CF߱Ѫٷµͼ͸_se.exe
1768	CF߱Ѫٷµͼ͸_se.exe
1304	ctbow.exe
1304	ctbow.exe
1304	ctbow.exe
1304	ctbow.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

CF߱Ѫٷµͼ͸_se.exe

description	pid	process	target process
PID 1768 wrote to memory of 1304	1768	CF߱Ѫٷµͼ͸_se.exe	ctbow.exe
PID 1768 wrote to memory of 1304	1768	CF߱Ѫٷµͼ͸_se.exe	ctbow.exe
PID 1768 wrote to memory of 1304	1768	CF߱Ѫٷµͼ͸_se.exe	ctbow.exe

C:\Users\Admin\AppData\Local\Temp\CF߱Ѫٷµͼ͸_se.exe
"C:\Users\Admin\AppData\Local\Temp\CF߱Ѫٷµͼ͸_se.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:1768

C:\Windows\SysWOW64\ctbow.exe
C:\Windows\system32\/ctbow.exe
2⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious use of SetWindowsHookEx
PID:1304

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

Replay Monitor

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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/1304-1487-0x0000000000000000-mapping.dmp

Download
memory/1768-137-0x00000000751A0000-0x000000007521A000-memory.dmp

Filesize
488KB

Download
memory/1768-132-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1768-1479-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1768-1480-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1768-1481-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1768-1482-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1768-1484-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1768-1485-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/1768-1486-0x0000000002A30000-0x0000000002B30000-memory.dmp

Filesize
1024KB

Download
memory/1768-136-0x0000000077130000-0x00000000772D0000-memory.dmp

Filesize
1.6MB

Download
memory/1768-134-0x0000000076A70000-0x0000000076C85000-memory.dmp

Filesize
2.1MB

Download
memory/1768-133-0x00000000772E0000-0x0000000077483000-memory.dmp

Filesize
1.6MB

Download
memory/1768-1490-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads