emotet | f1abbdcb36e1d9a389976e4d5ada0263cad9d9cb2d75319aa0fd2e0e2efaebc5

Resubmissions

13-03-2023 08:48

230313-kqgpeabe5y 8

13-03-2023 08:44

230313-knl64she29 10

11-03-2023 03:29

230311-d16mysgd22 8

11-03-2023 03:21

230311-dwbl1sab2y 8

Analysis

max time kernel
13s
max time network
77s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2023 08:44

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General

Target

Nuovo documento 2023.03.10.doc
Size

518.3MB
MD5

7b10cc4d02d11262ff3a0827e1ca926f
SHA1

4178ad78b1891dedc2e50d7fbc03f879b345c1d2
SHA256

d3a1c1342a4b6645ede22de755a41b30bc1720863c6f9905cb4aad0dd7492805
SHA512

93832bb4c8737fd4bfab70224019c68833881cb79ec0ca3dee6dd993ea596d345962b63b87d20944f166c52747ba9f55100c9086d80241df6fdd166fa2186808
SSDEEP

6144:jkmCUX1RauEA55axdWFyDDIqqmbwbLUW:omC7uz552AFZqXbwbA

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

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	1748	2576	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

1748 regsvr32.exe

pid	process
1748	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 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 23 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2576 WINWORD.EXE
2576 WINWORD.EXE
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

WINWORD.EXE

pid process

2576 WINWORD.EXE
2576 WINWORD.EXE
2576 WINWORD.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXE

pid process

2576 WINWORD.EXE
2576 WINWORD.EXE
2576 WINWORD.EXE
2576 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	23	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
2576	WINWORD.EXE
2576	WINWORD.EXE

pid	process
2576	WINWORD.EXE
2576	WINWORD.EXE
2576	WINWORD.EXE

pid	process
2576	WINWORD.EXE
2576	WINWORD.EXE
2576	WINWORD.EXE
2576	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2576 wrote to memory of 1748	2576	WINWORD.EXE	regsvr32.exe
PID 2576 wrote to memory of 1748	2576	WINWORD.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\Nuovo documento 2023.03.10.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:2576

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\094601.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
PID:1748

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\TTKIbXWhWQmmpMst\YcaAAhsG.dll"
3⤵
PID:4372

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\094601.tmp

Filesize
328.0MB

MD5
fd5d2e354c6b0700756bb331940dc9ad

SHA1
6e8d71bbf9d5498224a364dc7302fcaa73108d1f

SHA256
47c298756e26c26dd7d1ffc1a12d179ffbbf7fe53cf328c6a943149d4a723113

SHA512
3e097db57c3e6cec0faf4361167d410df96199f6722a0a58814858d5debd13a5bf7fa0885a3446473c4e1a514c22e26e14acfad6432d812052784f10e524e3f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\094601.tmp

Filesize
332.1MB

MD5
d366a81d00d279178d2b94eccf9303d2

SHA1
80005828a725cab4a61b9c0f22fb4ca0e5f525c0

SHA256
a1e9d688b5538fd9db7af3e5f57439ea147ba38f5e36f3298c3f60721138de31

SHA512
4829dd271d9b221895c71cd0c60e551e96e43d174e3a9575f20e79401bd415a3068e27b57390b85b1b1155f3442cb1d856bebe83e1d9688533d703aa6c6c3de2

Download Submit
C:\Users\Admin\AppData\Local\Temp\094601.zip

Filesize
809KB

MD5
f780db732dafe3aea7bec6e5b1915dc5

SHA1
a388e7954f76557d5edf4b8315d669fd2e4e7e8c

SHA256
14ee7bb38b78d00530df973d039d0c0586c4fd83e890e0cb63761f4b5baed11d

SHA512
6cc273cf52d6cc767dfa05b6408053ffa695abdaa42684d1fd196e3e43aca9b1395b5954266a8601f34cd52c5d7e559f0bad65dea2b5ac4ea17adf6ce1793f4c

Download Submit
C:\Windows\System32\TTKIbXWhWQmmpMst\YcaAAhsG.dll

Filesize
231.8MB

MD5
fb26b665bf98d868bc3db96557b1d22e

SHA1
c6f6300337ece458c03255b9ffe49e8b33e6ce94

SHA256
ca5634b2bf4d6b898ca69ec8468071fb9b461983a58ce735bc2b6519f5779ab1

SHA512
43a23e778c156e5bd59b1a7657945e55f0f3573205f68c1f2dcad565be13c598e56d9a7310a875f7e28704a9912122f13127a54e8f9aca618f865a6c418f532a

Download Submit
memory/1748-176-0x0000000001420000-0x0000000001421000-memory.dmp

Filesize
4KB

Download
memory/1748-174-0x0000000180000000-0x000000018002D000-memory.dmp

Filesize
180KB

Download
memory/2576-136-0x00007FFE98C30000-0x00007FFE98C40000-memory.dmp

Filesize
64KB

Download
memory/2576-139-0x00007FFE96750000-0x00007FFE96760000-memory.dmp

Filesize
64KB

Download
memory/2576-138-0x00007FFE96750000-0x00007FFE96760000-memory.dmp

Filesize
64KB

Download
memory/2576-137-0x00007FFE98C30000-0x00007FFE98C40000-memory.dmp

Filesize
64KB

Download
memory/2576-133-0x00007FFE98C30000-0x00007FFE98C40000-memory.dmp

Filesize
64KB

Download
memory/2576-135-0x00007FFE98C30000-0x00007FFE98C40000-memory.dmp

Filesize
64KB

Download
memory/2576-134-0x00007FFE98C30000-0x00007FFE98C40000-memory.dmp

Filesize
64KB

Download