emotet | e0571494d2e6bb0f9074704db9d9c9297cbac5544cc15bf62c3a34e1da81cd5b

General

Target

DETALLES_2562.doc
Size

540.2MB
MD5

5044553467b5553505acb52ce47e92c7
SHA1

74688fc37b7ca6938ff26ba73b0433f4f61eb41b
SHA256

2a5d629a4645bf7e5a38f790f411fdbc96fa0ca814d04d27892421993caf4adb
SHA512

8b4d9360e0099b7d73c0aa90e0f09f0f2f15fdf993b9f7f79ebf0f304c4f374e054bdb2e2c30593c592ac6f24938e219be40fe7447b3c76d32ac5cdd59bde6da
SSDEEP

3072:eoEW2aOtFjH0lP2IpjctfRcVVwEi/A8NVM1wIOCbX6bYLjWFJuvx7ueK6:ZE1aOtFa2I9c3aVw4zwxCbJ4Jup

Score

10^/10

emotet epoch4 banker persistence 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	1996	3728	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1996 regsvr32.exe
1456 regsvr32.exe

pid	process
1996	regsvr32.exe
1456	regsvr32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CfFfKzmMzfQEsVC.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\HBEhdzXbWHVxLfQqs\\CfFfKzmMzfQEsVC.dll\""	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 92 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3728 WINWORD.EXE
3728 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1996 regsvr32.exe
1996 regsvr32.exe
1456 regsvr32.exe
1456 regsvr32.exe
1456 regsvr32.exe
1456 regsvr32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

3728 WINWORD.EXE
3728 WINWORD.EXE
3728 WINWORD.EXE
3728 WINWORD.EXE
3728 WINWORD.EXE
3728 WINWORD.EXE
3728 WINWORD.EXE
3728 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	92	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
3728	WINWORD.EXE
3728	WINWORD.EXE

pid	process
1996	regsvr32.exe
1996	regsvr32.exe
1456	regsvr32.exe
1456	regsvr32.exe
1456	regsvr32.exe
1456	regsvr32.exe

pid	process
3728	WINWORD.EXE
3728	WINWORD.EXE
3728	WINWORD.EXE
3728	WINWORD.EXE
3728	WINWORD.EXE
3728	WINWORD.EXE
3728	WINWORD.EXE
3728	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 3728 wrote to memory of 1996	3728	WINWORD.EXE	regsvr32.exe
PID 3728 wrote to memory of 1996	3728	WINWORD.EXE	regsvr32.exe
PID 1996 wrote to memory of 1456	1996	regsvr32.exe	regsvr32.exe
PID 1996 wrote to memory of 1456	1996	regsvr32.exe	regsvr32.exe

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\DETALLES_2562.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3728

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\122001.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\HBEhdzXbWHVxLfQqs\CfFfKzmMzfQEsVC.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:1456

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\122001.tmp

Filesize
527.5MB

MD5
d4d306a6d9d1ae637e0cfacf04f7431a

SHA1
68b7fb0aa0d65569aa62937620f58a50bd3e9fdd

SHA256
a6e1b44ccb61a67b8e16ddc67eccacdd4b9b31a9de1fd048793c5c46b22337e2

SHA512
d473a2c746eba2b0add8252f5d44eca39b5a862978de80bc8e0d83f3adfee4601f21bcba3f63caa4fda02fc4c79cae704ac0905f4c938af8abbc2381332f682c

Download Submit
C:\Users\Admin\AppData\Local\Temp\122001.tmp

Filesize
527.5MB

MD5
d4d306a6d9d1ae637e0cfacf04f7431a

SHA1
68b7fb0aa0d65569aa62937620f58a50bd3e9fdd

SHA256
a6e1b44ccb61a67b8e16ddc67eccacdd4b9b31a9de1fd048793c5c46b22337e2

SHA512
d473a2c746eba2b0add8252f5d44eca39b5a862978de80bc8e0d83f3adfee4601f21bcba3f63caa4fda02fc4c79cae704ac0905f4c938af8abbc2381332f682c

Download Submit
C:\Users\Admin\AppData\Local\Temp\122035.zip

Filesize
821KB

MD5
8b7aaa2073c35069b606c46a51e020a6

SHA1
10cba1c5119426a03b5d03fe70fc996b2e4e4714

SHA256
6942dcf776d97d6da96e2bc9dfeed64a0b597597d26cba2c0c2a2c79c5c7b4a1

SHA512
ae0e1efa0f99fa56f547ec742660d08f2c1eb0979a4658e4480f2306469a86aa83cfb81acbc0f9511638b1d6c0a3e2b59f2960508999f4b98b60822545e59ad5

Download Submit
C:\Windows\System32\HBEhdzXbWHVxLfQqs\CfFfKzmMzfQEsVC.dll

Filesize
527.5MB

MD5
d4d306a6d9d1ae637e0cfacf04f7431a

SHA1
68b7fb0aa0d65569aa62937620f58a50bd3e9fdd

SHA256
a6e1b44ccb61a67b8e16ddc67eccacdd4b9b31a9de1fd048793c5c46b22337e2

SHA512
d473a2c746eba2b0add8252f5d44eca39b5a862978de80bc8e0d83f3adfee4601f21bcba3f63caa4fda02fc4c79cae704ac0905f4c938af8abbc2381332f682c

Download Submit
memory/1996-177-0x0000000180000000-0x000000018002D000-memory.dmp

Filesize
180KB

Download
memory/1996-180-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/3728-136-0x00007FFC8F230000-0x00007FFC8F240000-memory.dmp

Filesize
64KB

Download
memory/3728-137-0x00007FFC8F230000-0x00007FFC8F240000-memory.dmp

Filesize
64KB

Download
memory/3728-135-0x00007FFC8F230000-0x00007FFC8F240000-memory.dmp

Filesize
64KB

Download
memory/3728-134-0x00007FFC8F230000-0x00007FFC8F240000-memory.dmp

Filesize
64KB

Download
memory/3728-139-0x00007FFC8D070000-0x00007FFC8D080000-memory.dmp

Filesize
64KB

Download
memory/3728-138-0x00007FFC8D070000-0x00007FFC8D080000-memory.dmp

Filesize
64KB

Download
memory/3728-133-0x00007FFC8F230000-0x00007FFC8F240000-memory.dmp

Filesize
64KB

Download
memory/3728-204-0x00007FFC8F230000-0x00007FFC8F240000-memory.dmp

Filesize
64KB

Download
memory/3728-206-0x00007FFC8F230000-0x00007FFC8F240000-memory.dmp

Filesize
64KB

Download
memory/3728-205-0x00007FFC8F230000-0x00007FFC8F240000-memory.dmp

Filesize
64KB

Download
memory/3728-207-0x00007FFC8F230000-0x00007FFC8F240000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads