emotet | a14a4a807c275b98eff724f72358fcac4790d9bad735667efb271ad339fcddac

General

Target

Kk-echo.doc
Size

207KB
MD5

e2b2e81d94600338e279924278a3e0c4
SHA1

1ea91cf8ae8087f1c81c012a4346fc8079720a3e
SHA256

a14a4a807c275b98eff724f72358fcac4790d9bad735667efb271ad339fcddac
SHA512

f4ce8868b3cf604b78ccb6c9bcf00ba2078d63272aab6d327e78df2e19fb533c436df9b6f9437cde0a4a62ef6eeed966f6a56c7803c2f603642c750c6aebc47c
SSDEEP

3072:qjaqgJKlkOLyO1k7df0r56kgJOpI8wffI/0GQFrjhfcl4kbo:q7kOLd1k7df0rMkgJb8wfg/Wrebbo

Score

10^/10

emotet epoch4 banker persistence 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	460	2192	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

460 regsvr32.exe
2112 regsvr32.exe

pid	process
460	regsvr32.exe
2112	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\zXoHiPUfXLiLjlVa.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\JdAnC\\zXoHiPUfXLiLjlVa.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 53 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2192 WINWORD.EXE
2192 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

460 regsvr32.exe
460 regsvr32.exe
2112 regsvr32.exe
2112 regsvr32.exe
2112 regsvr32.exe
2112 regsvr32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

2192 WINWORD.EXE
2192 WINWORD.EXE
2192 WINWORD.EXE
2192 WINWORD.EXE
2192 WINWORD.EXE
2192 WINWORD.EXE
2192 WINWORD.EXE
2192 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	53	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
2192	WINWORD.EXE
2192	WINWORD.EXE

pid	process
460	regsvr32.exe
460	regsvr32.exe
2112	regsvr32.exe
2112	regsvr32.exe
2112	regsvr32.exe
2112	regsvr32.exe

pid	process
2192	WINWORD.EXE
2192	WINWORD.EXE
2192	WINWORD.EXE
2192	WINWORD.EXE
2192	WINWORD.EXE
2192	WINWORD.EXE
2192	WINWORD.EXE
2192	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 2192 wrote to memory of 460	2192	WINWORD.EXE	regsvr32.exe
PID 2192 wrote to memory of 460	2192	WINWORD.EXE	regsvr32.exe
PID 460 wrote to memory of 2112	460	regsvr32.exe	regsvr32.exe
PID 460 wrote to memory of 2112	460	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\Kk-echo.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:2192

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\000703.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:460

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\JdAnC\zXoHiPUfXLiLjlVa.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:2112

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\000703.tmp
Filesize
521.9MB

MD5
853b6005de754974d71396271700bf31

SHA1
1cba641c88048110c024c13c2da9af6d551cd1da

SHA256
5a5e279c4a1af85bc0708b92c7a1b774e8a9e065e14ab4a14bffb8fa8c2de27b

SHA512
aaa8eaf7cae81bd4179c053105612037afd9626d3b7b4f73bd0040502571b42e057d900f94cef7e1f968e576eea9b56101b92628ad903055299906c46d2277ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\000703.tmp
Filesize
521.9MB

MD5
853b6005de754974d71396271700bf31

SHA1
1cba641c88048110c024c13c2da9af6d551cd1da

SHA256
5a5e279c4a1af85bc0708b92c7a1b774e8a9e065e14ab4a14bffb8fa8c2de27b

SHA512
aaa8eaf7cae81bd4179c053105612037afd9626d3b7b4f73bd0040502571b42e057d900f94cef7e1f968e576eea9b56101b92628ad903055299906c46d2277ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\000724.zip
Filesize
961KB

MD5
ac4f4455a8969a9cd590b93beedeb809

SHA1
17ea0e7f43ca82575a1fd99e9302de7606f23a8a

SHA256
4650153b81b87beaed3e5f7cf2208afbdc3e1198e5bf005e57e98188e1aa5a49

SHA512
4f87154f9c76440c2df9700f51ec6d9a205b18f79c45cfcdd678e7864aaf9de3125a35e10dabb24f788bec2c9f891c306cc37924bf19e34c62f9b17f210c9431

Download Submit
C:\Windows\System32\JdAnC\zXoHiPUfXLiLjlVa.dll
Filesize
521.9MB

MD5
853b6005de754974d71396271700bf31

SHA1
1cba641c88048110c024c13c2da9af6d551cd1da

SHA256
5a5e279c4a1af85bc0708b92c7a1b774e8a9e065e14ab4a14bffb8fa8c2de27b

SHA512
aaa8eaf7cae81bd4179c053105612037afd9626d3b7b4f73bd0040502571b42e057d900f94cef7e1f968e576eea9b56101b92628ad903055299906c46d2277ac

Download Submit
memory/460-179-0x0000000002370000-0x00000000023CA000-memory.dmp

Filesize
360KB

Download
memory/460-183-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/2192-136-0x00007FFAA3970000-0x00007FFAA3980000-memory.dmp

Filesize
64KB

Download
memory/2192-137-0x00007FFAA3970000-0x00007FFAA3980000-memory.dmp

Filesize
64KB

Download
memory/2192-135-0x00007FFAA3970000-0x00007FFAA3980000-memory.dmp

Filesize
64KB

Download
memory/2192-134-0x00007FFAA3970000-0x00007FFAA3980000-memory.dmp

Filesize
64KB

Download
memory/2192-139-0x00007FFAA12B0000-0x00007FFAA12C0000-memory.dmp

Filesize
64KB

Download
memory/2192-138-0x00007FFAA12B0000-0x00007FFAA12C0000-memory.dmp

Filesize
64KB

Download
memory/2192-133-0x00007FFAA3970000-0x00007FFAA3980000-memory.dmp

Filesize
64KB

Download
memory/2192-208-0x00007FFAA3970000-0x00007FFAA3980000-memory.dmp

Filesize
64KB

Download
memory/2192-209-0x00007FFAA3970000-0x00007FFAA3980000-memory.dmp

Filesize
64KB

Download
memory/2192-210-0x00007FFAA3970000-0x00007FFAA3980000-memory.dmp

Filesize
64KB

Download
memory/2192-211-0x00007FFAA3970000-0x00007FFAA3980000-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