emotet | f52ad46c5e2d06933ee15c41fa36cad03907bca87245c2fffade8d60d3f9e116

General

Target

Sansiri.doc
Size

257KB
MD5

c97055c0b94727c7e5cfba1f1b93d222
SHA1

b4c08fd778a4a6737228ea4423d91152334ce03b
SHA256

f52ad46c5e2d06933ee15c41fa36cad03907bca87245c2fffade8d60d3f9e116
SHA512

f6891279bf77562241162640491ee02439c9b4b43c29f1570a1cfb6fa73b2f7cc0e0bd7c709562c223032593349b641bedd5fe32fb9c582fa760309a2516f781
SSDEEP

3072:O8oTyroqHD1Ut6WiuBGJnwAkhqX4v23b+thlCN7eyYz2zVQKBfsDl:OMrD1C/l8Ivke7CVRK3l

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

213.239.212.5:443

129.232.188.93:443

103.43.75.120:443

197.242.150.244:8080

1.234.2.232:8080

110.232.117.186:8080

95.217.221.146:8080

159.89.202.34:443

159.65.88.10:8080

82.223.21.224:8080

169.57.156.166:8080

45.176.232.124:443

45.235.8.30:8080

173.212.193.249:8080

107.170.39.149:8080

119.59.103.152:8080

167.172.199.165:8080

91.207.28.33:8080

185.4.135.165:8080

104.168.155.143:8080

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	4828	4840	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

4828 regsvr32.exe

pid	process
4828	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 27 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4840 WINWORD.EXE
4840 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

pid process

4828
4828
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

4840 WINWORD.EXE
4840 WINWORD.EXE
4840 WINWORD.EXE
4840 WINWORD.EXE
4840 WINWORD.EXE
4840 WINWORD.EXE
4840 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	27	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
4840	WINWORD.EXE
4840	WINWORD.EXE

pid	process
4828
4828

pid	process
4840	WINWORD.EXE
4840	WINWORD.EXE
4840	WINWORD.EXE
4840	WINWORD.EXE
4840	WINWORD.EXE
4840	WINWORD.EXE
4840	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 4840 wrote to memory of 4828	4840	WINWORD.EXE	regsvr32.exe
PID 4840 wrote to memory of 4828	4840	WINWORD.EXE	regsvr32.exe
PID 4828 wrote to memory of 3904	4828		regsvr32.exe
PID 4828 wrote to memory of 3904	4828		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\Sansiri.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:4840

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\233507.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
PID:4828

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NuVcqF\Bkcb.dll"
3⤵
PID:3904

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\233507.tmp
Filesize
454.0MB

MD5
3dd97b46551dca91c13fa5ba728a4497

SHA1
66ba5ec1dbd124ef9731071c1749340748388e72

SHA256
31c4ce547598110b3855c283ca0617b3901aff1724ee697555440eeba774ca4e

SHA512
a367d5004065de054da6f94146ff623e41081490253ab40a280adb007fee55f88157bfd7da6295b423c1143e3bb1e98c3edd819923dfc0ff3934fbf7904c1ab6

Download Submit
C:\Users\Admin\AppData\Local\Temp\233507.tmp
Filesize
453.5MB

MD5
381821305ff0d1a3fbb04391d4bca466

SHA1
86d5dba9b3c8b54f522f2e07c43be99f25410f7f

SHA256
6e9f4e6d1e70b8086f55656682f5e1586d672e94d3336075681e8f90144b75b2

SHA512
45202d1d2978be98af03d2b080e1a63b7be147e6402007519cbf76b5e39edd763b0b06676c02c6523ef78bc174371c7438a0b61d10956e07aaba43264a4b1882

Download Submit
C:\Users\Admin\AppData\Local\Temp\233508.zip
Filesize
953KB

MD5
a0be50214dfd69fb2102fa6d33d0b308

SHA1
311ef8772a19322e41ccbb380ba79ff2bc779de6

SHA256
13cbf971d2c9e4cd0326a1164c4be0349b050a60fd067a4c162b7b7dead1d345

SHA512
6a8098b558681b7a531b8024e78a657241bd1ada1a4a67809ec6cae2532af204ac8b82f11a050f03a2dcd6e75076d2f1b7a69e1b839355bcacbfaaa979836350

Download Submit
C:\Windows\System32\NuVcqF\Bkcb.dll
Filesize
417.8MB

MD5
d2565dd91b2f568e5323485521048f03

SHA1
bd5b72ffa0f64fde6b3f8ca955ed6d1c717a256d

SHA256
b1b802b595af48e175082df7b77c5f9a44929ff497f3079a3fa49fab8d8f6f5a

SHA512
d9b080ed0652cf60e141613f68f879bbdaefef430b9554aa5e7866465c6514f67c721a1e6a64c8a5444d76ecef66b2b2eec82e4c8a52220800c37bd6c713f6d2

Download Submit
memory/4828-177-0x00000000028E0000-0x000000000293A000-memory.dmp

Filesize
360KB

Download
memory/4828-181-0x0000000000F10000-0x0000000000F11000-memory.dmp

Filesize
4KB

Download
memory/4840-136-0x00007FFF02AF0000-0x00007FFF02B00000-memory.dmp

Filesize
64KB

Download
memory/4840-137-0x00007FFF02AF0000-0x00007FFF02B00000-memory.dmp

Filesize
64KB

Download
memory/4840-135-0x00007FFF02AF0000-0x00007FFF02B00000-memory.dmp

Filesize
64KB

Download
memory/4840-134-0x00007FFF02AF0000-0x00007FFF02B00000-memory.dmp

Filesize
64KB

Download
memory/4840-140-0x00007FFF00390000-0x00007FFF003A0000-memory.dmp

Filesize
64KB

Download
memory/4840-138-0x00007FFF00390000-0x00007FFF003A0000-memory.dmp

Filesize
64KB

Download
memory/4840-133-0x00007FFF02AF0000-0x00007FFF02B00000-memory.dmp

Filesize
64KB

Download
memory/4840-208-0x00007FFF02AF0000-0x00007FFF02B00000-memory.dmp

Filesize
64KB

Download
memory/4840-210-0x00007FFF02AF0000-0x00007FFF02B00000-memory.dmp

Filesize
64KB

Download
memory/4840-211-0x00007FFF02AF0000-0x00007FFF02B00000-memory.dmp

Filesize
64KB

Download
memory/4840-209-0x00007FFF02AF0000-0x00007FFF02B00000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads