emotet | 9845c14e1a714a94e53b3c4a9c0a9eb9fcd0aa4c31a3d0a32d8a580fe84d4292

General

Target

Nuovo documento 2023.03.14.doc
Size

532.3MB
MD5

263c2c56f0cb66d54e74c84cb065f5cc
SHA1

1a9f7eab20766384bbadac480406cd76cc390953
SHA256

f3112945aa06c02b26e166075111dc410dc7d4ca9e96f6ad56977ce5ab058133
SHA512

bb81cc340999df9d7dbce33275bdf730fdc9a0e28bd1b3bcdb6debff4c3e96ae093d0073391e870414077ab961d347878fea777d9b28a724795887ad843a3833
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	2172	4752	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

2172 regsvr32.exe
1128 regsvr32.exe

pid	process
2172	regsvr32.exe
1128	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\EIVftgYGWjJF.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\WiGsyBleLkxSkh\\EIVftgYGWjJF.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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	35	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	36	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4752 WINWORD.EXE
4752 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

2172 regsvr32.exe
2172 regsvr32.exe
1128 regsvr32.exe
1128 regsvr32.exe
1128 regsvr32.exe
1128 regsvr32.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

WINWORD.EXE

pid process

4752 WINWORD.EXE
4752 WINWORD.EXE
4752 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4752 WINWORD.EXE
4752 WINWORD.EXE
4752 WINWORD.EXE
4752 WINWORD.EXE
4752 WINWORD.EXE
4752 WINWORD.EXE
4752 WINWORD.EXE
4752 WINWORD.EXE

pid	process
4752	WINWORD.EXE
4752	WINWORD.EXE

pid	process
2172	regsvr32.exe
2172	regsvr32.exe
1128	regsvr32.exe
1128	regsvr32.exe
1128	regsvr32.exe
1128	regsvr32.exe

pid	process
4752	WINWORD.EXE
4752	WINWORD.EXE
4752	WINWORD.EXE

pid	process
4752	WINWORD.EXE
4752	WINWORD.EXE
4752	WINWORD.EXE
4752	WINWORD.EXE
4752	WINWORD.EXE
4752	WINWORD.EXE
4752	WINWORD.EXE
4752	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 4752 wrote to memory of 2172	4752	WINWORD.EXE	regsvr32.exe
PID 4752 wrote to memory of 2172	4752	WINWORD.EXE	regsvr32.exe
PID 2172 wrote to memory of 1128	2172	regsvr32.exe	regsvr32.exe
PID 2172 wrote to memory of 1128	2172	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\Nuovo documento 2023.03.14.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:4752

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\124442.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2172

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\WiGsyBleLkxSkh\EIVftgYGWjJF.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:1128

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\124442.tmp
Filesize
530.5MB

MD5
7caa4b3c4e90e40702cac9170232e5e7

SHA1
31ff941788ff6003953a970fa0ee77a85e60392e

SHA256
dcf2a27ccf1e93ca3ff750c773179ba5558fa303bbd11a68af330a9b2f268157

SHA512
646e20465991f1a080591ff4d14d7855401410c56bfd88c1fe5d6ff580f83b5815d30ff13453301c335afea9a69755445f694df8d2769e2a178385413ff93d7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\124442.tmp
Filesize
530.5MB

MD5
7caa4b3c4e90e40702cac9170232e5e7

SHA1
31ff941788ff6003953a970fa0ee77a85e60392e

SHA256
dcf2a27ccf1e93ca3ff750c773179ba5558fa303bbd11a68af330a9b2f268157

SHA512
646e20465991f1a080591ff4d14d7855401410c56bfd88c1fe5d6ff580f83b5815d30ff13453301c335afea9a69755445f694df8d2769e2a178385413ff93d7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\124452.zip
Filesize
836KB

MD5
af7fcc7c59c94402ea5a0212a9afdc60

SHA1
1f732ca2337d61e7bd7d6a50c5ef9e51695c9ed6

SHA256
458f8f0107984a508d1ad2288b5056efd7506ca61c4d34e6b5812cd4deba64e3

SHA512
72d5f1b792859fe0d50aa4ca874e08d837bec4505f92452fe87ab49ef356be63beccc9d775bfb18406cbce49ca22337352320d8cbc367bf048739e9f6c3c672f

Download Submit
C:\Windows\System32\WiGsyBleLkxSkh\EIVftgYGWjJF.dll
Filesize
530.5MB

MD5
7caa4b3c4e90e40702cac9170232e5e7

SHA1
31ff941788ff6003953a970fa0ee77a85e60392e

SHA256
dcf2a27ccf1e93ca3ff750c773179ba5558fa303bbd11a68af330a9b2f268157

SHA512
646e20465991f1a080591ff4d14d7855401410c56bfd88c1fe5d6ff580f83b5815d30ff13453301c335afea9a69755445f694df8d2769e2a178385413ff93d7a

Download Submit
memory/2172-179-0x0000000002A60000-0x0000000002A8D000-memory.dmp

Filesize
180KB

Download
memory/2172-182-0x0000000001050000-0x0000000001051000-memory.dmp

Filesize
4KB

Download
memory/4752-134-0x00007FFDBBE70000-0x00007FFDBBE80000-memory.dmp

Filesize
64KB

Download
memory/4752-136-0x00007FFDBBE70000-0x00007FFDBBE80000-memory.dmp

Filesize
64KB

Download
memory/4752-135-0x00007FFDBBE70000-0x00007FFDBBE80000-memory.dmp

Filesize
64KB

Download
memory/4752-139-0x00007FFDB9D10000-0x00007FFDB9D20000-memory.dmp

Filesize
64KB

Download
memory/4752-137-0x00007FFDBBE70000-0x00007FFDBBE80000-memory.dmp

Filesize
64KB

Download
memory/4752-138-0x00007FFDB9D10000-0x00007FFDB9D20000-memory.dmp

Filesize
64KB

Download
memory/4752-133-0x00007FFDBBE70000-0x00007FFDBBE80000-memory.dmp

Filesize
64KB

Download
memory/4752-206-0x00007FFDBBE70000-0x00007FFDBBE80000-memory.dmp

Filesize
64KB

Download
memory/4752-208-0x00007FFDBBE70000-0x00007FFDBBE80000-memory.dmp

Filesize
64KB

Download
memory/4752-207-0x00007FFDBBE70000-0x00007FFDBBE80000-memory.dmp

Filesize
64KB

Download
memory/4752-209-0x00007FFDBBE70000-0x00007FFDBBE80000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads