4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9

General

Target

4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
Size

151KB
MD5

5376f26eaada433f86be0eca02253bd5
SHA1

d4315b4a45efff146e46f00d47a7fab9dbecbd0b
SHA256

4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9
SHA512

6eaff6d4b34ed193468eb3c5fbf988a1d3c04f5878fcaf118593019541201a6796ec53e8c04698a3ef2aaf05764bdf0516683198cb78a653abc4d20c9e79249a
SSDEEP

1536:ptaPIbyo84eW8WVx/7PnoIPUQ2c+Jj43QA5xMBKcXh1+Q1stoLXLiIiX2WQENKgQ:p8qqBWVFfLH+W3lxY+ZYEh/tD6

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

description	ioc	process
File opened (read-only)	\??\V:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\T:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\Q:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\P:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\N:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\G:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\M:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\J:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\Z:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\W:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\U:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\S:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\R:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\O:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\H:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\F:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\Y:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\X:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\L:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\K:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\I:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened (read-only)	\??\E:	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

Processes:

4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

description	ioc	process
File opened for modification	C:\autorun.inf	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

Drops file in Program Files directory 1 IoCs

Processes:

4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

description	ioc	process
File opened for modification	C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

112 4956 WerFault.exe 4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

pid	pid_target	process	target process
112	4956	WerFault.exe	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

winword.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	winword.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	winword.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	winword.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

winword.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	winword.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	winword.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	winword.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

winword.exe

pid process

1244 winword.exe
1244 winword.exe

pid	process
1244	winword.exe
1244	winword.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

pid	process
4956	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
4956	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

winword.exe

pid process

1244 winword.exe
1244 winword.exe
1244 winword.exe
1244 winword.exe

pid	process
1244	winword.exe
1244	winword.exe
1244	winword.exe
1244	winword.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe

description	pid	process	target process
PID 4956 wrote to memory of 1244	4956	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe	winword.exe
PID 4956 wrote to memory of 1244	4956	4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe	winword.exe

C:\Users\Admin\AppData\Local\Temp\4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe
"C:\Users\Admin\AppData\Local\Temp\4c63a29bc78e3bbb1514f81c1d1bcd7a2d23f2c6c3c306bad08ca69d2cf031c9.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Program Files\Microsoft Office\Root\Office16\winword.exe
  "C:\Program Files\Microsoft Office\Root\Office16\winword.exe"
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:1244
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 740
  2⤵
  - Program crash
  PID:112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4956 -ip 4956
1⤵
PID:5100

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1244-133-0x0000000000000000-mapping.dmp

Download
memory/1244-134-0x00007FFFB73D0000-0x00007FFFB73E0000-memory.dmp

Filesize
64KB

Download
memory/1244-135-0x00007FFFB73D0000-0x00007FFFB73E0000-memory.dmp

Filesize
64KB

Download
memory/1244-136-0x00007FFFB73D0000-0x00007FFFB73E0000-memory.dmp

Filesize
64KB

Download
memory/1244-137-0x00007FFFB73D0000-0x00007FFFB73E0000-memory.dmp

Filesize
64KB

Download
memory/1244-138-0x00007FFFB73D0000-0x00007FFFB73E0000-memory.dmp

Filesize
64KB

Download
memory/1244-140-0x00007FFFB4A70000-0x00007FFFB4A80000-memory.dmp

Filesize
64KB

Download
memory/1244-141-0x00007FFFB4A70000-0x00007FFFB4A80000-memory.dmp

Filesize
64KB

Download
memory/4956-132-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4956-139-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads