emotet | 51f1fdf15170d27b6c36e52407bc57e614400179e93fb406eb8e8d6a1d3ecfa7

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 persistence trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

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	3044	4128	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3044 regsvr32.exe
2748 regsvr32.exe

pid	process
3044	regsvr32.exe
2748	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\eIJQ.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\KqqcE\\eIJQ.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 44 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4128 WINWORD.EXE
4128 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3044 regsvr32.exe
3044 regsvr32.exe
2748 regsvr32.exe
2748 regsvr32.exe
2748 regsvr32.exe
2748 regsvr32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4128 WINWORD.EXE
4128 WINWORD.EXE
4128 WINWORD.EXE
4128 WINWORD.EXE
4128 WINWORD.EXE
4128 WINWORD.EXE
4128 WINWORD.EXE
4128 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	44	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
4128	WINWORD.EXE
4128	WINWORD.EXE

pid	process
3044	regsvr32.exe
3044	regsvr32.exe
2748	regsvr32.exe
2748	regsvr32.exe
2748	regsvr32.exe
2748	regsvr32.exe

pid	process
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE
4128	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 4128 wrote to memory of 3044	4128	WINWORD.EXE	regsvr32.exe
PID 4128 wrote to memory of 3044	4128	WINWORD.EXE	regsvr32.exe
PID 3044 wrote to memory of 2748	3044	regsvr32.exe	regsvr32.exe
PID 3044 wrote to memory of 2748	3044	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\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:4128
- C:\Windows\System32\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\122554.tmp"
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\KqqcE\eIJQ.dll"
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:2748

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\122554.tmp

Filesize
539.7MB

MD5
4b87f5a01b11f2c9d8960c17cfac4534

SHA1
a4a8334699bd7bafaaec2cdc22d4b610edff5c29

SHA256
db732daf92ed02271c901c3fbf63cd065babe89d78e666952f1ef8b6cc6be7a9

SHA512
f2b5f64848820d3f0fd0f49be8d7f5d7c9e803978d782ca2cc2c4166a9c1b599338494787f4152c7ca53d40ad03d10950404fb514180a9072d721087bfdf0b8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\122554.tmp

Filesize
539.7MB

MD5
4b87f5a01b11f2c9d8960c17cfac4534

SHA1
a4a8334699bd7bafaaec2cdc22d4b610edff5c29

SHA256
db732daf92ed02271c901c3fbf63cd065babe89d78e666952f1ef8b6cc6be7a9

SHA512
f2b5f64848820d3f0fd0f49be8d7f5d7c9e803978d782ca2cc2c4166a9c1b599338494787f4152c7ca53d40ad03d10950404fb514180a9072d721087bfdf0b8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\122557.zip

Filesize
888KB

MD5
17bb6e6373cb380a935e271aa121ce06

SHA1
b11e9d1d839957133b660c37ac4ef9aafe2f4bd6

SHA256
33edffa63784ad3a12c496007e3871f7441d5b4609ed10a346d239b9582b1059

SHA512
1c225225401dab68bfb04ac3150290c3bfe0f7080f482755aa46a95e65b21d9a49307ef66c14c838c66372f72fd2c4ae36b6ac7d21504f6115bc7cd0fb6e3b90

Download Submit
C:\Windows\System32\KqqcE\eIJQ.dll

Filesize
539.7MB

MD5
4b87f5a01b11f2c9d8960c17cfac4534

SHA1
a4a8334699bd7bafaaec2cdc22d4b610edff5c29

SHA256
db732daf92ed02271c901c3fbf63cd065babe89d78e666952f1ef8b6cc6be7a9

SHA512
f2b5f64848820d3f0fd0f49be8d7f5d7c9e803978d782ca2cc2c4166a9c1b599338494787f4152c7ca53d40ad03d10950404fb514180a9072d721087bfdf0b8d

Download Submit
memory/2748-190-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/3044-179-0x0000000180000000-0x000000018002D000-memory.dmp

Filesize
180KB

Download
memory/3044-182-0x0000000001150000-0x0000000001151000-memory.dmp

Filesize
4KB

Download
memory/4128-139-0x00007FFEBB5F0000-0x00007FFEBB600000-memory.dmp

Filesize
64KB

Download
memory/4128-138-0x00007FFEBB5F0000-0x00007FFEBB600000-memory.dmp

Filesize
64KB

Download
memory/4128-140-0x00007FFEBB5F0000-0x00007FFEBB600000-memory.dmp

Filesize
64KB

Download
memory/4128-137-0x00007FFEBB5F0000-0x00007FFEBB600000-memory.dmp

Filesize
64KB

Download
memory/4128-142-0x00007FFEB8F60000-0x00007FFEB8F70000-memory.dmp

Filesize
64KB

Download
memory/4128-136-0x00007FFEBB5F0000-0x00007FFEBB600000-memory.dmp

Filesize
64KB

Download
memory/4128-141-0x00007FFEB8F60000-0x00007FFEB8F70000-memory.dmp

Filesize
64KB

Download
memory/4128-216-0x00007FFEBB5F0000-0x00007FFEBB600000-memory.dmp

Filesize
64KB

Download
memory/4128-217-0x00007FFEBB5F0000-0x00007FFEBB600000-memory.dmp

Filesize
64KB

Download
memory/4128-218-0x00007FFEBB5F0000-0x00007FFEBB600000-memory.dmp

Filesize
64KB

Download
memory/4128-219-0x00007FFEBB5F0000-0x00007FFEBB600000-memory.dmp

Filesize
64KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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