emotet | 36b25f39657559dd9d0d917168021a09f7a61e724ed2f85f2c0f1279c33a3279

Analysis

max time kernel
130s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2022 14:32

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General

Target

36b25f39657559dd9d0d917168021a09f7a61e724ed2f85f2c0f1279c33a3279.xls
Size

255KB
MD5

fed6b0bb569d641861ebfc1b19419ee5
SHA1

5e0908d64d74097a2c38a8af9aab7d5b282e45ee
SHA256

36b25f39657559dd9d0d917168021a09f7a61e724ed2f85f2c0f1279c33a3279
SHA512

d9a75ceaea8185b16f1bc7e0b07b90f2d50de24f8ae0237d90681868178bc7c1272daef84a6c275974457cf8c3eedcb917d8c80139dade6b5166ea81b8a4a300
SSDEEP

6144:hKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgWNiwrfx9rNFMMrttRzV5Dz3UxqC8LUcSp:FNbDjP9XH5XIqZLnSp

Score

10^/10

emotet epoch5 banker persistence trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.chawkyfrenn.com/icon/BzGzSWFZIZGaTK/

xlm40.dropper

https://www.controlnetworks.com.au/wp-content/nlwkhG9/

xlm40.dropper

http://royreid.co.uk/wp-content/UIa3o/

xlm40.dropper

http://eznetb.synology.me/@eaDir/7ks2a6g9TV/

Extracted

Family

emotet

Botnet

Epoch5

178.238.225.252:8080

139.196.72.155:8080

36.67.23.59:443

103.56.149.105:8080

37.44.244.177:8080

85.25.120.45:8080

202.134.4.210:7080

78.47.204.80:443

83.229.80.93:8080

93.104.209.107:8080

80.211.107.116:8080

165.22.254.236:8080

104.244.79.94:443

185.148.169.10:8080

190.145.8.4:443

175.126.176.79:8080

139.59.80.108:8080

188.165.79.151:443

128.199.217.206:443

64.227.55.231:8080

ecs1.plain

eck1.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Process spawned unexpected child process 4 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1672	4824	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1048	4824	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3452	4824	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1416	4824	regsvr32.exe	EXCEL.EXE

Downloads MZ/PE file
Loads dropped DLL 6 IoCs

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

pid process

1672 regsvr32.exe
5056 regsvr32.exe
3452 regsvr32.exe
3568 regsvr32.exe
1416 regsvr32.exe
3464 regsvr32.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

regsvr32.exeregsvr32.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qOHrwzRNt.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\AScRVEgTZtxwC\\qOHrwzRNt.dll\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kyWcTdxX.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\WkVFepM\\kyWcTdxX.dll\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xICgolQfyiDdGGV.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\KGjaXqq\\xICgolQfyiDdGGV.dll\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	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:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4824 EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

pid	process
1672	regsvr32.exe
1672	regsvr32.exe
5056	regsvr32.exe
5056	regsvr32.exe
5056	regsvr32.exe
5056	regsvr32.exe
3452	regsvr32.exe
3452	regsvr32.exe
3568	regsvr32.exe
3568	regsvr32.exe
3568	regsvr32.exe
3568	regsvr32.exe
1416	regsvr32.exe
1416	regsvr32.exe
3464	regsvr32.exe
3464	regsvr32.exe
3464	regsvr32.exe
3464	regsvr32.exe

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXEregsvr32.exeregsvr32.exeregsvr32.exe

description	pid	process	target process
PID 4824 wrote to memory of 1672	4824	EXCEL.EXE	regsvr32.exe
PID 4824 wrote to memory of 1672	4824	EXCEL.EXE	regsvr32.exe
PID 1672 wrote to memory of 5056	1672	regsvr32.exe	regsvr32.exe
PID 1672 wrote to memory of 5056	1672	regsvr32.exe	regsvr32.exe
PID 4824 wrote to memory of 1048	4824	EXCEL.EXE	regsvr32.exe
PID 4824 wrote to memory of 1048	4824	EXCEL.EXE	regsvr32.exe
PID 4824 wrote to memory of 3452	4824	EXCEL.EXE	regsvr32.exe
PID 4824 wrote to memory of 3452	4824	EXCEL.EXE	regsvr32.exe
PID 3452 wrote to memory of 3568	3452	regsvr32.exe	regsvr32.exe
PID 3452 wrote to memory of 3568	3452	regsvr32.exe	regsvr32.exe
PID 4824 wrote to memory of 1416	4824	EXCEL.EXE	regsvr32.exe
PID 4824 wrote to memory of 1416	4824	EXCEL.EXE	regsvr32.exe
PID 1416 wrote to memory of 3464	1416	regsvr32.exe	regsvr32.exe
PID 1416 wrote to memory of 3464	1416	regsvr32.exe	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\36b25f39657559dd9d0d917168021a09f7a61e724ed2f85f2c0f1279c33a3279.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4824

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\WkVFepM\kyWcTdxX.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:5056

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
2⤵
- Process spawned unexpected child process
PID:1048

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3452

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\KGjaXqq\xICgolQfyiDdGGV.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3568

C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1416

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\AScRVEgTZtxwC\qOHrwzRNt.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3464

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\oxnv1.ooccxx
Filesize
581KB

MD5
36c955f9525f2b77c612e6c6b4754d00

SHA1
b3c0f949770d523ded716511f3b2b1c8653a7227

SHA256
ca4223a46523d84c8b4729a3d52f3aea9d073a3e037ba40ff53f940bbe2ffac7

SHA512
69866f37bcaa71b08dff3c4383b1420d25541c840bbfc6a087bd5ee66fcfc94c178de35085e47fcc89744ed2d45723e9c42bdb4d246164341d9616f7172a6997

Download Submit
C:\Users\Admin\oxnv1.ooccxx
Filesize
581KB

MD5
36c955f9525f2b77c612e6c6b4754d00

SHA1
b3c0f949770d523ded716511f3b2b1c8653a7227

SHA256
ca4223a46523d84c8b4729a3d52f3aea9d073a3e037ba40ff53f940bbe2ffac7

SHA512
69866f37bcaa71b08dff3c4383b1420d25541c840bbfc6a087bd5ee66fcfc94c178de35085e47fcc89744ed2d45723e9c42bdb4d246164341d9616f7172a6997

Download Submit
C:\Users\Admin\oxnv3.ooccxx
Filesize
581KB

MD5
4a8859a94a7afab895702f7bf39e3a8f

SHA1
27316c02096cb014ab0c7a95be464029770918b8

SHA256
1474356eed4eb0f9cd6734cbf1ae2358fa285f86bace759b8fc66374ee06d2d5

SHA512
ce696e209ef6e4e6855893c0c3096f24f6101fd53fbe867056bf29ab28ea85ad02abb38bb9c1652bbea93dae52eef5dc038cee61ac99785629173432c319e970

Download Submit
C:\Users\Admin\oxnv3.ooccxx
Filesize
581KB

MD5
4a8859a94a7afab895702f7bf39e3a8f

SHA1
27316c02096cb014ab0c7a95be464029770918b8

SHA256
1474356eed4eb0f9cd6734cbf1ae2358fa285f86bace759b8fc66374ee06d2d5

SHA512
ce696e209ef6e4e6855893c0c3096f24f6101fd53fbe867056bf29ab28ea85ad02abb38bb9c1652bbea93dae52eef5dc038cee61ac99785629173432c319e970

Download Submit
C:\Users\Admin\oxnv4.ooccxx
Filesize
581KB

MD5
c84b0822bc45352997ed035e43690881

SHA1
b37ce1024d19cd3c5aa727de3a99ca145e310b9b

SHA256
3d3110c125ae63baa9fa3811d133d72e17621b5f6f2dc8ba2dc3e3aa320a2b31

SHA512
aa58c693ce072dfae89201c199afbcce929a0e94ae04242fc92ea34f6553f14934522e98dc86ea9b2abc5b939e3a036b0065fc73d659c925756ce6cb9b9a285c

Download Submit
C:\Users\Admin\oxnv4.ooccxx
Filesize
581KB

MD5
c84b0822bc45352997ed035e43690881

SHA1
b37ce1024d19cd3c5aa727de3a99ca145e310b9b

SHA256
3d3110c125ae63baa9fa3811d133d72e17621b5f6f2dc8ba2dc3e3aa320a2b31

SHA512
aa58c693ce072dfae89201c199afbcce929a0e94ae04242fc92ea34f6553f14934522e98dc86ea9b2abc5b939e3a036b0065fc73d659c925756ce6cb9b9a285c

Download Submit
C:\Windows\System32\AScRVEgTZtxwC\qOHrwzRNt.dll
Filesize
581KB

MD5
c84b0822bc45352997ed035e43690881

SHA1
b37ce1024d19cd3c5aa727de3a99ca145e310b9b

SHA256
3d3110c125ae63baa9fa3811d133d72e17621b5f6f2dc8ba2dc3e3aa320a2b31

SHA512
aa58c693ce072dfae89201c199afbcce929a0e94ae04242fc92ea34f6553f14934522e98dc86ea9b2abc5b939e3a036b0065fc73d659c925756ce6cb9b9a285c

Download Submit
C:\Windows\System32\KGjaXqq\xICgolQfyiDdGGV.dll
Filesize
581KB

MD5
4a8859a94a7afab895702f7bf39e3a8f

SHA1
27316c02096cb014ab0c7a95be464029770918b8

SHA256
1474356eed4eb0f9cd6734cbf1ae2358fa285f86bace759b8fc66374ee06d2d5

SHA512
ce696e209ef6e4e6855893c0c3096f24f6101fd53fbe867056bf29ab28ea85ad02abb38bb9c1652bbea93dae52eef5dc038cee61ac99785629173432c319e970

Download Submit
C:\Windows\System32\WkVFepM\kyWcTdxX.dll
Filesize
581KB

MD5
36c955f9525f2b77c612e6c6b4754d00

SHA1
b3c0f949770d523ded716511f3b2b1c8653a7227

SHA256
ca4223a46523d84c8b4729a3d52f3aea9d073a3e037ba40ff53f940bbe2ffac7

SHA512
69866f37bcaa71b08dff3c4383b1420d25541c840bbfc6a087bd5ee66fcfc94c178de35085e47fcc89744ed2d45723e9c42bdb4d246164341d9616f7172a6997

Download Submit
memory/1048-150-0x0000000000000000-mapping.dmp

Download
memory/1416-162-0x0000000000000000-mapping.dmp

Download
memory/1672-142-0x0000000180000000-0x0000000180030000-memory.dmp

Filesize
192KB

Download
memory/1672-139-0x0000000000000000-mapping.dmp

Download
memory/3452-151-0x0000000000000000-mapping.dmp

Download
memory/3464-168-0x0000000000000000-mapping.dmp

Download
memory/3568-157-0x0000000000000000-mapping.dmp

Download
memory/4824-138-0x00007FFD68B90000-0x00007FFD68BA0000-memory.dmp

Filesize
64KB

Download
memory/4824-137-0x00007FFD68B90000-0x00007FFD68BA0000-memory.dmp

Filesize
64KB

Download
memory/4824-136-0x00007FFD6ABF0000-0x00007FFD6AC00000-memory.dmp

Filesize
64KB

Download
memory/4824-132-0x00007FFD6ABF0000-0x00007FFD6AC00000-memory.dmp

Filesize
64KB

Download
memory/4824-135-0x00007FFD6ABF0000-0x00007FFD6AC00000-memory.dmp

Filesize
64KB

Download
memory/4824-134-0x00007FFD6ABF0000-0x00007FFD6AC00000-memory.dmp

Filesize
64KB

Download
memory/4824-133-0x00007FFD6ABF0000-0x00007FFD6AC00000-memory.dmp

Filesize
64KB

Download
memory/5056-145-0x0000000000000000-mapping.dmp

Download