emotet | d7e01bffc54e99f8ead1a8499dae9d51fa259a4f18062f2d5312cd3ee09394ad

General

Target

SPE930231839KJ.doc
Size

284KB
MD5

1ed1a8d46dc3e3d89fdbf5eb00f42edb
SHA1

1b6e2c9ba31d58d4e330874314e59a7fce33dad5
SHA256

d7e01bffc54e99f8ead1a8499dae9d51fa259a4f18062f2d5312cd3ee09394ad
SHA512

817af8445436c2325e8d2c5047b66149d776dca834f4b1fb584e938f287791cd0545c59430dbd927c3a88c23ec0c06f10f2272085a1c1913ac1a4a05af0287d2
SSDEEP

3072:2IdQGckpM56QDp+SBTA8ku4afD4Ka1Rvl/4Wbqzwc7vanLubTvjVwKVi3yJuq6r:x9HkpzTTfD4KuNbqzryKvmKV8yJor

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	4312	1840	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

4312 regsvr32.exe
4428 regsvr32.exe

pid	process
4312	regsvr32.exe
4428	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uIpzbueqL.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\CdoXQBmOYcR\\uIpzbueqL.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:

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 43 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1840 WINWORD.EXE
1840 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

4312 regsvr32.exe
4312 regsvr32.exe
4428 regsvr32.exe
4428 regsvr32.exe
4428 regsvr32.exe
4428 regsvr32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

1840 WINWORD.EXE
1840 WINWORD.EXE
1840 WINWORD.EXE
1840 WINWORD.EXE
1840 WINWORD.EXE
1840 WINWORD.EXE
1840 WINWORD.EXE
1840 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	43	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
1840	WINWORD.EXE
1840	WINWORD.EXE

pid	process
4312	regsvr32.exe
4312	regsvr32.exe
4428	regsvr32.exe
4428	regsvr32.exe
4428	regsvr32.exe
4428	regsvr32.exe

pid	process
1840	WINWORD.EXE
1840	WINWORD.EXE
1840	WINWORD.EXE
1840	WINWORD.EXE
1840	WINWORD.EXE
1840	WINWORD.EXE
1840	WINWORD.EXE
1840	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 1840 wrote to memory of 4312	1840	WINWORD.EXE	regsvr32.exe
PID 1840 wrote to memory of 4312	1840	WINWORD.EXE	regsvr32.exe
PID 4312 wrote to memory of 4428	4312	regsvr32.exe	regsvr32.exe
PID 4312 wrote to memory of 4428	4312	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\SPE930231839KJ.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:1840

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\171817.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4312

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CdoXQBmOYcR\uIpzbueqL.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4428

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\171817.tmp
Filesize
522.9MB

MD5
f2628c5dce23002e36de9ef4868dd355

SHA1
68ed54d8f41846e4ae6aa307db273a78366b19b2

SHA256
439ea1f948d9fe110f5d72c5adf2cd96843bfef8214351f733f8ed92afefc24e

SHA512
760fddc7777cc34432ba43768483342d6954ae3e6b013b06fc2f6bbac508bafd3a6517a490f5a642514d559d496f77a98c84542851e17ad8e3b8e17c16f51083

Download Submit
C:\Users\Admin\AppData\Local\Temp\171817.tmp
Filesize
522.9MB

MD5
f2628c5dce23002e36de9ef4868dd355

SHA1
68ed54d8f41846e4ae6aa307db273a78366b19b2

SHA256
439ea1f948d9fe110f5d72c5adf2cd96843bfef8214351f733f8ed92afefc24e

SHA512
760fddc7777cc34432ba43768483342d6954ae3e6b013b06fc2f6bbac508bafd3a6517a490f5a642514d559d496f77a98c84542851e17ad8e3b8e17c16f51083

Download Submit
C:\Users\Admin\AppData\Local\Temp\171822.zip
Filesize
962KB

MD5
facbee8335997018721773ddc6bc1e5d

SHA1
e1016d9024c04f8cbb796df87b484dd05592e10b

SHA256
b2e1b0128f1ed95eff9a9786a380976f2477cd3a916f1074f622840318d3654a

SHA512
821c8f16567eba7578b519ed4ad55daf60c0702472cbe3db6b59fdf4cc77038a3121e7db8001efb7091d1701e4245d22306390440b58449dc7fa45472d0b4dba

Download Submit
C:\Windows\System32\CdoXQBmOYcR\uIpzbueqL.dll
Filesize
522.9MB

MD5
f2628c5dce23002e36de9ef4868dd355

SHA1
68ed54d8f41846e4ae6aa307db273a78366b19b2

SHA256
439ea1f948d9fe110f5d72c5adf2cd96843bfef8214351f733f8ed92afefc24e

SHA512
760fddc7777cc34432ba43768483342d6954ae3e6b013b06fc2f6bbac508bafd3a6517a490f5a642514d559d496f77a98c84542851e17ad8e3b8e17c16f51083

Download Submit
memory/1840-208-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/1840-138-0x00007FF8CD1D0000-0x00007FF8CD1E0000-memory.dmp

Filesize
64KB

Download
memory/1840-139-0x00007FF8CD1D0000-0x00007FF8CD1E0000-memory.dmp

Filesize
64KB

Download
memory/1840-136-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/1840-135-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/1840-134-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/1840-133-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/1840-137-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/1840-209-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/1840-210-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/1840-211-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/4312-176-0x0000000002220000-0x000000000227A000-memory.dmp

Filesize
360KB

Download
memory/4312-180-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads