emotet | 558017ae9c3c65e65d03ded1a32e0c873c379be2bcf52c321b5cb4a12d04f18a

General

Target

558017ae9c3c65e65d03ded1a32e0c873c379be2bcf52c321b5cb4a12d04f18a.doc
Size

381KB
MD5

1640c9beb6c7afe550ba2e2d7584f179
SHA1

74e2fcb40aa441192b94d57cb46d6aed9bd1b353
SHA256

558017ae9c3c65e65d03ded1a32e0c873c379be2bcf52c321b5cb4a12d04f18a
SHA512

9b0869ad92708cee4446781589589a48bb4d3cb433ed9695e79d5ce65e8b962e9cea51dbd2885a85892f6c0bdcf4dea2e3ebdaac14ede15d8659f1be029a5287
SSDEEP

6144:E9fcsHgsTGbWqjWQ6e7t/5MIUAWuVfzmSsWnpoWgXEyV/FF:2fPPGBWQ6CBMIUreiSXgXtF

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

164.68.99.3:8080

164.90.222.65:443

186.194.240.217:443

1.234.2.232:8080

103.75.201.2:443

187.63.160.88:80

147.139.166.154:8080

91.207.28.33:8080

5.135.159.50:443

153.92.5.27:8080

213.239.212.5:443

103.43.75.120:443

159.65.88.10:8080

167.172.253.162:8080

153.126.146.25:7080

119.59.103.152:8080

107.170.39.149:8080

183.111.227.137:8080

159.89.202.34:443

110.232.117.186:8080

eck1.plain

ecs1.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	3248	5048	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

3248 regsvr32.exe

pid	process
3248	regsvr32.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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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

Script User-Agent 5 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	29	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	31	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	7	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	9	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	27	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

5048 WINWORD.EXE
5048 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

3248 regsvr32.exe
3248 regsvr32.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

WINWORD.EXE

pid process

5048 WINWORD.EXE
5048 WINWORD.EXE
5048 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

5048 WINWORD.EXE
5048 WINWORD.EXE
5048 WINWORD.EXE
5048 WINWORD.EXE
5048 WINWORD.EXE
5048 WINWORD.EXE
5048 WINWORD.EXE
5048 WINWORD.EXE

pid	process
5048	WINWORD.EXE
5048	WINWORD.EXE

pid	process
3248	regsvr32.exe
3248	regsvr32.exe

pid	process
5048	WINWORD.EXE
5048	WINWORD.EXE
5048	WINWORD.EXE

pid	process
5048	WINWORD.EXE
5048	WINWORD.EXE
5048	WINWORD.EXE
5048	WINWORD.EXE
5048	WINWORD.EXE
5048	WINWORD.EXE
5048	WINWORD.EXE
5048	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 5048 wrote to memory of 3248	5048	WINWORD.EXE	regsvr32.exe
PID 5048 wrote to memory of 3248	5048	WINWORD.EXE	regsvr32.exe
PID 3248 wrote to memory of 3928	3248	regsvr32.exe	regsvr32.exe
PID 3248 wrote to memory of 3928	3248	regsvr32.exe	regsvr32.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\558017ae9c3c65e65d03ded1a32e0c873c379be2bcf52c321b5cb4a12d04f18a.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5048

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\003319.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3248

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\RkHyfmXwgqnaj\EghRliBtQgu.dll"
3⤵
PID:3928

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\003319.tmp
Filesize
502.5MB

MD5
bdb6e67d4debba71e4853bf9c8744ab3

SHA1
86464dc254cd8e2ce368e6a3729198aea7d73e60

SHA256
8d079273a86ebf2f9130d6184c85fa9158fc38d5503a353f04ab3a557798df94

SHA512
70d721e5269fdcbdeda332d5dd6463dbbbe2a6153470f00569bab5efd7eb86b36beac0643dbebc17191dc42663136380fa031fbebe14b69f3cf4287d134d6360

Download Submit
C:\Users\Admin\AppData\Local\Temp\003343.zip
Filesize
797KB

MD5
2c55b340db25b08a30497abf2c775fc9

SHA1
4d38dd06b7bb789e13c9e55a1069716f42dabfab

SHA256
2cbe3b7c97939da28d20e4ecb95f37228321d6100960d29ab130516fdd265ee7

SHA512
3b00a0dc08473c37c50beee45a3392f6a78593a85d60cabccd7ceae5031fdcfff4ebda5d66745ddaf4bf3ccccf3a7866687d2aceb6db430fdfaf55bf41279912

Download Submit
\Users\Admin\AppData\Local\Temp\003319.tmp
Filesize
502.5MB

MD5
bdb6e67d4debba71e4853bf9c8744ab3

SHA1
86464dc254cd8e2ce368e6a3729198aea7d73e60

SHA256
8d079273a86ebf2f9130d6184c85fa9158fc38d5503a353f04ab3a557798df94

SHA512
70d721e5269fdcbdeda332d5dd6463dbbbe2a6153470f00569bab5efd7eb86b36beac0643dbebc17191dc42663136380fa031fbebe14b69f3cf4287d134d6360

Download Submit
memory/3248-341-0x0000000180000000-0x000000018002D000-memory.dmp

Filesize
180KB

Download
memory/3248-347-0x0000000001560000-0x0000000001561000-memory.dmp

Filesize
4KB

Download
memory/5048-127-0x00007FFB3D930000-0x00007FFB3D940000-memory.dmp

Filesize
64KB

Download
memory/5048-129-0x00007FFB3D930000-0x00007FFB3D940000-memory.dmp

Filesize
64KB

Download
memory/5048-124-0x00007FFB40480000-0x00007FFB40490000-memory.dmp

Filesize
64KB

Download
memory/5048-123-0x00007FFB40480000-0x00007FFB40490000-memory.dmp

Filesize
64KB

Download
memory/5048-122-0x00007FFB40480000-0x00007FFB40490000-memory.dmp

Filesize
64KB

Download
memory/5048-121-0x00007FFB40480000-0x00007FFB40490000-memory.dmp

Filesize
64KB

Download
memory/5048-439-0x00007FFB40480000-0x00007FFB40490000-memory.dmp

Filesize
64KB

Download
memory/5048-440-0x00007FFB40480000-0x00007FFB40490000-memory.dmp

Filesize
64KB

Download
memory/5048-441-0x00007FFB40480000-0x00007FFB40490000-memory.dmp

Filesize
64KB

Download
memory/5048-442-0x00007FFB40480000-0x00007FFB40490000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads