emotet | 51f1fdf15170d27b6c36e52407bc57e614400179e93fb406eb8e8d6a1d3ecfa7

Resubmissions

09-03-2023 06:42

230309-hgpybaah95 10

07-03-2023 13:00

230307-p826aaaa95 8

07-03-2023 12:24

230307-pljqeshc7z 10

Analysis

max time kernel
14s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
09-03-2023 06:42

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General

Target

INVOICE 589 03_23.doc
Size

526.2MB
MD5

b59808aba76dd0095aa06133382de9ed
SHA1

59aed06213b305d2877031e8ef489064ef74ca74
SHA256

2e116e6a43dcc2ee55df34664a7d5bfae36918f3a8ce5af97be6cb99e3a4de5b
SHA512

134c7c9929c277a3ec0403c2246214059d107c78c0056f8190218e0d16ded3cfaa7a4682d695f9e6212c66220cb222589c8fcd19f6ea70a00994eb06eec6566b
SSDEEP

3072:eoEW2aOtFjH0lP2IpjctfRcVVwEi/A8NVM1wIOCbX6bYLjWFJuvx7ueK6:ZE1aOtFa2I9c3aVw4zwxCbJ4Jup

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

129.232.188.93:443

164.90.222.65:443

159.65.88.10:8080

172.105.226.75:8080

115.68.227.76:8080

187.63.160.88:80

169.57.156.166:8080

185.4.135.165:8080

153.126.146.25:7080

197.242.150.244:8080

139.59.126.41:443

186.194.240.217:443

103.132.242.26:8080

206.189.28.199:8080

163.44.196.120:8080

95.217.221.146:8080

159.89.202.34:443

119.59.103.152:8080

183.111.227.137:8080

201.94.166.162:443

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	1932	804	regsvr32.exe	WINWORD.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 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	36	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	34	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

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

Processes:

WINWORD.EXE

pid process

804 WINWORD.EXE
804 WINWORD.EXE
804 WINWORD.EXE
804 WINWORD.EXE

pid	process
804	WINWORD.EXE
804	WINWORD.EXE

pid	process
804	WINWORD.EXE
804	WINWORD.EXE
804	WINWORD.EXE
804	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 804 wrote to memory of 1932	804	WINWORD.EXE	regsvr32.exe
PID 804 wrote to memory of 1932	804	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\INVOICE 589 03_23.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:804

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\080113.tmp"
2⤵
- Process spawned unexpected child process
PID:1932

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\AMwsrpZBQf\YdwcnOJQHv.dll"
3⤵
PID:2448

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\080113.tmp

Filesize
503.7MB

MD5
4769209f461a93537145851a63c45c10

SHA1
2e47582bd568da92c23d832a322aca265757b276

SHA256
84c8664665fcce51de6e5f44aeb1c65f48af7217ba51f09f750edc834afc08db

SHA512
23477537c55adc8d4352cb04c2c6a9cb35a037926a28f8c4ebb47e17dea6182b7523f0774acac18e2039e889ea5a62611fc19a9cebcd316f96e4ca40b8fce682

Download Submit
C:\Users\Admin\AppData\Local\Temp\080113.tmp

Filesize
503.7MB

MD5
4769209f461a93537145851a63c45c10

SHA1
2e47582bd568da92c23d832a322aca265757b276

SHA256
84c8664665fcce51de6e5f44aeb1c65f48af7217ba51f09f750edc834afc08db

SHA512
23477537c55adc8d4352cb04c2c6a9cb35a037926a28f8c4ebb47e17dea6182b7523f0774acac18e2039e889ea5a62611fc19a9cebcd316f96e4ca40b8fce682

Download Submit
C:\Users\Admin\AppData\Local\Temp\080113.tmp

Filesize
503.7MB

MD5
4769209f461a93537145851a63c45c10

SHA1
2e47582bd568da92c23d832a322aca265757b276

SHA256
84c8664665fcce51de6e5f44aeb1c65f48af7217ba51f09f750edc834afc08db

SHA512
23477537c55adc8d4352cb04c2c6a9cb35a037926a28f8c4ebb47e17dea6182b7523f0774acac18e2039e889ea5a62611fc19a9cebcd316f96e4ca40b8fce682

Download Submit
C:\Users\Admin\AppData\Local\Temp\080117.zip

Filesize
827KB

MD5
d20ed5648af55347502657e2d1bd9de5

SHA1
5cc890eb77eaf0e361ce1477bc3316cd4a920b7e

SHA256
1e42b34cc99e71be6e1c66c2bd337095f4e75aecec5c01b80d7ca12731456473

SHA512
e165d0d2f97ec56cca06732619ef372b055bacb4cdaf94a71792c4b875b7f64c8c4fa202299a4589a2bf9f5f9bc6cf8f4ee3bce4b72be90e8fd7454401d482f0

Download Submit
C:\Windows\System32\AMwsrpZBQf\YdwcnOJQHv.dll

Filesize
451.9MB

MD5
4b3d59543857a4fd98cc9d4ae6303372

SHA1
3fa21ee548bb90256aa7ca47c239c008ab58f3a6

SHA256
8226582e17d9d2c27e4674fa7931655b4df6084433a2dcb2b1778726580c0d54

SHA512
34762dc9240d85bcd14f76fae6b74467d272dde5f2dd1a6c64dcff3f63ea39b757dd2edd1de06335974d8ca335bfdc97c27e1200b61c3d017c6481763d0ae9f1

Download Submit
memory/804-137-0x00007FFC76130000-0x00007FFC76140000-memory.dmp

Filesize
64KB

Download
memory/804-139-0x00007FFC738E0000-0x00007FFC738F0000-memory.dmp

Filesize
64KB

Download
memory/804-138-0x00007FFC738E0000-0x00007FFC738F0000-memory.dmp

Filesize
64KB

Download
memory/804-133-0x00007FFC76130000-0x00007FFC76140000-memory.dmp

Filesize
64KB

Download
memory/804-136-0x00007FFC76130000-0x00007FFC76140000-memory.dmp

Filesize
64KB

Download
memory/804-135-0x00007FFC76130000-0x00007FFC76140000-memory.dmp

Filesize
64KB

Download
memory/804-134-0x00007FFC76130000-0x00007FFC76140000-memory.dmp

Filesize
64KB

Download
memory/1932-174-0x0000000002220000-0x00000000022E1000-memory.dmp

Filesize
772KB

Download
memory/1932-176-0x0000000180000000-0x000000018002D000-memory.dmp

Filesize
180KB

Download
memory/1932-184-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/1932-185-0x0000000002220000-0x00000000022E1000-memory.dmp

Filesize
772KB

Download
memory/2448-193-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download