emotet | 60ce0ae80a367110edfcaf0f25d0f93667752e11a233bdd28639a3cac90ebccb

General

Target

N.271 WAL 14.03.2023.doc
Size

510.3MB
MD5

732336a4ffdffb6af529c92240c52aaa
SHA1

0f132ee237e3c419422d33a7fdc8687d3a62068f
SHA256

76e94f1bf0af4acd2e3dd307c9cb05ff1cce879a7c611e9e3dc01d8fd7a7f2cc
SHA512

683ea54a98b83cbc857299e9511a165371d99a3f3e08f968faf4f3dba53c13de79d8676203f79a71f91cd68892157a1c37766951d4d81a57468e62be809d436a
SSDEEP

6144:1620tqUx3Xu+7ZkRIDNGi9a0Va5UAClo:1620tqm3+I2ezcz5U3lo

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	436	3600	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

436 regsvr32.exe
1676 regsvr32.exe

pid	process
436	regsvr32.exe
1676	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\jmRzeDrd.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\MMbqEYQRq\\jmRzeDrd.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 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 2 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	32	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	33	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3600 WINWORD.EXE
3600 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

436 regsvr32.exe
436 regsvr32.exe
1676 regsvr32.exe
1676 regsvr32.exe
1676 regsvr32.exe
1676 regsvr32.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

WINWORD.EXE

pid process

3600 WINWORD.EXE
3600 WINWORD.EXE
3600 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

3600 WINWORD.EXE
3600 WINWORD.EXE
3600 WINWORD.EXE
3600 WINWORD.EXE
3600 WINWORD.EXE
3600 WINWORD.EXE
3600 WINWORD.EXE
3600 WINWORD.EXE

pid	process
3600	WINWORD.EXE
3600	WINWORD.EXE

pid	process
436	regsvr32.exe
436	regsvr32.exe
1676	regsvr32.exe
1676	regsvr32.exe
1676	regsvr32.exe
1676	regsvr32.exe

pid	process
3600	WINWORD.EXE
3600	WINWORD.EXE
3600	WINWORD.EXE

pid	process
3600	WINWORD.EXE
3600	WINWORD.EXE
3600	WINWORD.EXE
3600	WINWORD.EXE
3600	WINWORD.EXE
3600	WINWORD.EXE
3600	WINWORD.EXE
3600	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 3600 wrote to memory of 436	3600	WINWORD.EXE	regsvr32.exe
PID 3600 wrote to memory of 436	3600	WINWORD.EXE	regsvr32.exe
PID 436 wrote to memory of 1676	436	regsvr32.exe	regsvr32.exe
PID 436 wrote to memory of 1676	436	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\N.271 WAL 14.03.2023.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:3600

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\103506.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:436

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\MMbqEYQRq\jmRzeDrd.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:1676

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\103506.tmp
Filesize
479.0MB

MD5
76181562b5a62145b5dd423ff286a66f

SHA1
26758461d793ef726add2bfb81a62eaec8225435

SHA256
58c460fca7e078a7b39ee593c19ff2a5468ebb6108e314f16aa45c575a21532b

SHA512
4e29bcde18208e56b7ea21a7acdd069c928937ca50c7836f63d0cdbf5e89c5fd370eb2d1e27ddd98357763d90aceae54c32692126f0cfb9762882f05b725c1a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\103506.tmp
Filesize
444.1MB

MD5
a6b1bf174637b9fa42f3b8fe906bbdb9

SHA1
12d6fb521d796ef2bff5c4fa42a81d051bc2f704

SHA256
3be4efe43853ecf0d393d706a22ea78fe250fadb6b1cfb2ef7258f9fea1f7858

SHA512
acfe88241cacc791b88ce3d8703630429fdf1e1a8bd1e4b430882bae2c3b5cbc6b53e9893bf3bb76607c2341712fda6acce61b0a1287ebb1bdba5743b60cd583

Download Submit
C:\Users\Admin\AppData\Local\Temp\103531.zip
Filesize
826KB

MD5
cd29b97669086317dc0efb6a4070d671

SHA1
f44fab5b63a797115944caae4e9c25a2c3da9d0f

SHA256
56f87aebf126f019f553d125995f61ac3bef0b53fc896f17dad8597662d44389

SHA512
94ca9bcc40ac967d9ad5f7c2814010b54140f81d08be89076e5427960e291c5103fa98bcc706e65843c0485ecf89468c4b2268dbddd5f2079372cf0735b87cb1

Download Submit
C:\Windows\System32\MMbqEYQRq\jmRzeDrd.dll
Filesize
480.2MB

MD5
2903c7cf2917c433b1cb73e00a6dd3f1

SHA1
dfbef17d491486c8ec310917ae49b795561d7195

SHA256
22756f08f885a89279f8e78c6914f9ce565ae325ba2cc34d9f3745316027578d

SHA512
33d3b70a04022fa8645967d14eedeca12422c15de2387c70a7b4caf852690db08a60aad83d49dabbf081b2464453cb0bcf0b53194f8e77295651b1b6a94fd067

Download Submit
memory/436-179-0x00000000007F0000-0x000000000081D000-memory.dmp

Filesize
180KB

Download
memory/436-182-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/3600-136-0x00007FF7C30F0000-0x00007FF7C3100000-memory.dmp

Filesize
64KB

Download
memory/3600-137-0x00007FF7C30F0000-0x00007FF7C3100000-memory.dmp

Filesize
64KB

Download
memory/3600-135-0x00007FF7C30F0000-0x00007FF7C3100000-memory.dmp

Filesize
64KB

Download
memory/3600-134-0x00007FF7C30F0000-0x00007FF7C3100000-memory.dmp

Filesize
64KB

Download
memory/3600-139-0x00007FF7C0C10000-0x00007FF7C0C20000-memory.dmp

Filesize
64KB

Download
memory/3600-138-0x00007FF7C0C10000-0x00007FF7C0C20000-memory.dmp

Filesize
64KB

Download
memory/3600-133-0x00007FF7C30F0000-0x00007FF7C3100000-memory.dmp

Filesize
64KB

Download
memory/3600-206-0x00007FF7C30F0000-0x00007FF7C3100000-memory.dmp

Filesize
64KB

Download
memory/3600-207-0x00007FF7C30F0000-0x00007FF7C3100000-memory.dmp

Filesize
64KB

Download
memory/3600-208-0x00007FF7C30F0000-0x00007FF7C3100000-memory.dmp

Filesize
64KB

Download
memory/3600-209-0x00007FF7C30F0000-0x00007FF7C3100000-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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