emotet | dcdfad2582ed24815329fa572d0f291e32d1c86e0350055fdee6186418a24676

General

Target

2023-03-08_1331.doc
Size

512.3MB
MD5

5aca9347ae500cdceaf501e042532c63
SHA1

bca45617cebc3c8829254277251efcd8d0b76b61
SHA256

dcdfad2582ed24815329fa572d0f291e32d1c86e0350055fdee6186418a24676
SHA512

4906373968e2013346d9c9956a9e88c90d8579cb0ae7a1247a2fcfec8c9fef4c30480567c7de985cae809ab076d9a5798360ef9f101b3b4983638094aa5cc2be
SSDEEP

6144:xPn4VZXbatu7MDogsDkHS50LdfcGcbz1f5M9KTFrMpSlMK3Ru+Q28:xP4PbNMkgg3Ru+x

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	3988	4272	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3988 regsvr32.exe
2644 regsvr32.exe

pid	process
3988	regsvr32.exe
2644	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\BLJfXLSc.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\UvWyYQeXSoEcgnMy\\BLJfXLSc.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 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

4272 WINWORD.EXE
4272 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3988 regsvr32.exe
3988 regsvr32.exe
2644 regsvr32.exe
2644 regsvr32.exe
2644 regsvr32.exe
2644 regsvr32.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

WINWORD.EXE

pid process

4272 WINWORD.EXE
4272 WINWORD.EXE
4272 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4272 WINWORD.EXE
4272 WINWORD.EXE
4272 WINWORD.EXE
4272 WINWORD.EXE
4272 WINWORD.EXE
4272 WINWORD.EXE
4272 WINWORD.EXE
4272 WINWORD.EXE

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

pid	process
4272	WINWORD.EXE
4272	WINWORD.EXE

pid	process
3988	regsvr32.exe
3988	regsvr32.exe
2644	regsvr32.exe
2644	regsvr32.exe
2644	regsvr32.exe
2644	regsvr32.exe

pid	process
4272	WINWORD.EXE
4272	WINWORD.EXE
4272	WINWORD.EXE

pid	process
4272	WINWORD.EXE
4272	WINWORD.EXE
4272	WINWORD.EXE
4272	WINWORD.EXE
4272	WINWORD.EXE
4272	WINWORD.EXE
4272	WINWORD.EXE
4272	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 4272 wrote to memory of 3988	4272	WINWORD.EXE	regsvr32.exe
PID 4272 wrote to memory of 3988	4272	WINWORD.EXE	regsvr32.exe
PID 3988 wrote to memory of 2644	3988	regsvr32.exe	regsvr32.exe
PID 3988 wrote to memory of 2644	3988	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\2023-03-08_1331.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:4272

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\043443.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3988

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\UvWyYQeXSoEcgnMy\BLJfXLSc.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:2644

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\043443.tmp
Filesize
543.7MB

MD5
1cd2550e072ec2792339b133005549ed

SHA1
c2839a8bc63517bcee9ec16a222690e0f8aa3a74

SHA256
af9f8a5c3e4edb4798c25b6fe3e41eeba5d4a41782dbf81a7ba5b3a93652a02a

SHA512
e77442d144cad2635a3078a5359b24d9febc164fdfb6424cff5b4d02775ece2df3bdf6575170a9eec9b1d3ce22370efb726c9c611db86fac8d530ce2e9a7903e

Download Submit
C:\Users\Admin\AppData\Local\Temp\043443.tmp
Filesize
543.7MB

MD5
1cd2550e072ec2792339b133005549ed

SHA1
c2839a8bc63517bcee9ec16a222690e0f8aa3a74

SHA256
af9f8a5c3e4edb4798c25b6fe3e41eeba5d4a41782dbf81a7ba5b3a93652a02a

SHA512
e77442d144cad2635a3078a5359b24d9febc164fdfb6424cff5b4d02775ece2df3bdf6575170a9eec9b1d3ce22370efb726c9c611db86fac8d530ce2e9a7903e

Download Submit
C:\Users\Admin\AppData\Local\Temp\043444.zip
Filesize
867KB

MD5
6c839d892fef2f37d973ca28ce5e7a3b

SHA1
175ee07dc770ad81455d1f95152f1ae07e875e0e

SHA256
b2f19314b692f584203e6711e8d54f32b91a7864adbd203a4eaf6785042d47d9

SHA512
18a1ffa1876554a0e7716cbe5d77ce26a373aeb16992986bb8baaece2af502b576d7001a4271ceda09cec6fbbe750c06c8d40d4449ff8b52d01a924a49462af7

Download Submit
C:\Windows\System32\UvWyYQeXSoEcgnMy\BLJfXLSc.dll
Filesize
543.7MB

MD5
1cd2550e072ec2792339b133005549ed

SHA1
c2839a8bc63517bcee9ec16a222690e0f8aa3a74

SHA256
af9f8a5c3e4edb4798c25b6fe3e41eeba5d4a41782dbf81a7ba5b3a93652a02a

SHA512
e77442d144cad2635a3078a5359b24d9febc164fdfb6424cff5b4d02775ece2df3bdf6575170a9eec9b1d3ce22370efb726c9c611db86fac8d530ce2e9a7903e

Download Submit
memory/2644-188-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/3988-176-0x0000000180000000-0x000000018002D000-memory.dmp

Filesize
180KB

Download
memory/3988-179-0x00000000010A0000-0x00000000010A1000-memory.dmp

Filesize
4KB

Download
memory/4272-136-0x00007FFABD630000-0x00007FFABD640000-memory.dmp

Filesize
64KB

Download
memory/4272-135-0x00007FFABD630000-0x00007FFABD640000-memory.dmp

Filesize
64KB

Download
memory/4272-137-0x00007FFABD630000-0x00007FFABD640000-memory.dmp

Filesize
64KB

Download
memory/4272-134-0x00007FFABD630000-0x00007FFABD640000-memory.dmp

Filesize
64KB

Download
memory/4272-139-0x00007FFABB430000-0x00007FFABB440000-memory.dmp

Filesize
64KB

Download
memory/4272-133-0x00007FFABD630000-0x00007FFABD640000-memory.dmp

Filesize
64KB

Download
memory/4272-138-0x00007FFABB430000-0x00007FFABB440000-memory.dmp

Filesize
64KB

Download
memory/4272-215-0x00007FFABD630000-0x00007FFABD640000-memory.dmp

Filesize
64KB

Download
memory/4272-216-0x00007FFABD630000-0x00007FFABD640000-memory.dmp

Filesize
64KB

Download
memory/4272-217-0x00007FFABD630000-0x00007FFABD640000-memory.dmp

Filesize
64KB

Download
memory/4272-218-0x00007FFABD630000-0x00007FFABD640000-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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Downloads