Behavioral Report

General

Target

4a1c5cce6ca90d46a09229143ee1518e69740adfc91f12cc9bd6d8417b990deb.doc
Size

534MB
MD5

3d36b417e14f84046bb07304a607f8b3
SHA1

5631659f85614637a52ec29f7f125539e78d59e6
SHA256

4a1c5cce6ca90d46a09229143ee1518e69740adfc91f12cc9bd6d8417b990deb
SHA512

d997c05bca3b7b9457a5b16be46dc613cb8c9d4c8f20630f296f76d04d527ef000d9e0311dfec6839daecdd60eb5420e7f12a2fcea0cf328ae1ae231fb1770ee
SSDEEP

3072:brrCtKZF4eqZ627NHRxMvOwvzpl+vk6jZc:5F4eqYwHMvfvzpKk6Nc

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

213.239.212.5:443

129.232.188.93:443

103.43.75.120:443

197.242.150.244:8080

1.234.2.232:8080

110.232.117.186:8080

95.217.221.146:8080

159.89.202.34:443

159.65.88.10:8080

82.223.21.224:8080

169.57.156.166:8080

45.176.232.124:443

45.235.8.30:8080

173.212.193.249:8080

107.170.39.149:8080

119.59.103.152:8080

167.172.199.165:8080

91.207.28.33:8080

185.4.135.165:8080

104.168.155.143:8080

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	5072	4008	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

5072 regsvr32.exe

pid	process
5072	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 4 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	15	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	8	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	10	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	11	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4008 WINWORD.EXE
4008 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

5072 regsvr32.exe
5072 regsvr32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4008 WINWORD.EXE
4008 WINWORD.EXE
4008 WINWORD.EXE
4008 WINWORD.EXE
4008 WINWORD.EXE
4008 WINWORD.EXE
4008 WINWORD.EXE
4008 WINWORD.EXE

pid	process
4008	WINWORD.EXE
4008	WINWORD.EXE

pid	process
5072	regsvr32.exe
5072	regsvr32.exe

pid	process
4008	WINWORD.EXE
4008	WINWORD.EXE
4008	WINWORD.EXE
4008	WINWORD.EXE
4008	WINWORD.EXE
4008	WINWORD.EXE
4008	WINWORD.EXE
4008	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 4008 wrote to memory of 5072	4008	WINWORD.EXE	regsvr32.exe
PID 4008 wrote to memory of 5072	4008	WINWORD.EXE	regsvr32.exe
PID 5072 wrote to memory of 1964	5072	regsvr32.exe	regsvr32.exe
PID 5072 wrote to memory of 1964	5072	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\4a1c5cce6ca90d46a09229143ee1518e69740adfc91f12cc9bd6d8417b990deb.doc" /o ""
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4008

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\071957.tmp"
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5072

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\COQwks\TpSNkxnZk.dll"
PID:1964

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

Replay Monitor

00:00 00:00

Downloads

C:\Users\Admin\AppData\Local\Temp\071957.tmp
Filesize
542MB

MD5
ab738aac06067918090d382e49ecbab5

SHA1
67314adab79bbce302b7322a11ff29cfc924ecfa

SHA256
a60984c160ee6167c5b0594eb4833adf84ad3dc7e98e59abde95345107d6adc7

SHA512
a7ee4ec9c28a055ee669a322b4ead46bacc380dc36f2d3be9ee9934ce2f06f78585ee00013b8b4ebe3c670c285a9cbface7f3517f1e4745ce75dd38a9edf0109

Download Submit
C:\Users\Admin\AppData\Local\Temp\072000.zip
Filesize
982KB

MD5
f353537d0d4d8e3fc5c3aa17383821d9

SHA1
841d74a4c9f253800c1526e9c1489995606430df

SHA256
4ff5412bbce5981984baaf80a5e5f58da20f21b76733f6fce8f4a68703537e21

SHA512
951b4b136fd71e6445aea338a2ff97add949c35796365344d8d156237b8b1745d245970b12915ac6598f199d7ba38d406ca3d02e01835e42b6b9d3db43173b62

Download Submit
\Users\Admin\AppData\Local\Temp\071957.tmp
Filesize
542MB

MD5
ab738aac06067918090d382e49ecbab5

SHA1
67314adab79bbce302b7322a11ff29cfc924ecfa

SHA256
a60984c160ee6167c5b0594eb4833adf84ad3dc7e98e59abde95345107d6adc7

SHA512
a7ee4ec9c28a055ee669a322b4ead46bacc380dc36f2d3be9ee9934ce2f06f78585ee00013b8b4ebe3c670c285a9cbface7f3517f1e4745ce75dd38a9edf0109

Download Submit
memory/4008-124-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/4008-127-0x00007FFD8D690000-0x00007FFD8D6A0000-memory.dmp

Filesize
64KB

Download
memory/4008-128-0x00007FFD8D690000-0x00007FFD8D6A0000-memory.dmp

Filesize
64KB

Download
memory/4008-121-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/4008-123-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/4008-122-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/4008-455-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/4008-457-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/4008-456-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/4008-454-0x00007FFD904B0000-0x00007FFD904C0000-memory.dmp

Filesize
64KB

Download
memory/5072-333-0x0000000002510000-0x000000000256A000-memory.dmp

Filesize
360KB

Download
memory/5072-336-0x0000000000A90000-0x0000000000A91000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Downloads