emotet | cbc8823e0169b95c8acf6023433409bee7f26cff15efd0dcc644a6a95b9b4e76

General

Target

cbc8823e0169b95c8acf6023433409bee7f26cff15efd0dcc644a6a95b9b4e76.doc
Size

249KB
MD5

2a1ea86d7062b81b8a01c7de64e3ea11
SHA1

7f3a5cdc82804828333fda3dd30a7678cd20a90d
SHA256

cbc8823e0169b95c8acf6023433409bee7f26cff15efd0dcc644a6a95b9b4e76
SHA512

226ec240d2d3e28830893c15ebe69bca76ef90695e804910b0d242bec95cfa55d3879e2acc22f4bc866eb1431a14c1599fa2791a2b20e7bbc528e7785d8d9f1d
SSDEEP

3072:YZ0BTZ5/7IdefQUVXDfDts6nRq2ha0/L/ouT4UNsCiRT/mS8BeclBbN3rP1CVuj:vTDMdmQm79dkp4ziJmSElNbP1Ou

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	752	4040	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

752 regsvr32.exe

pid	process
752	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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 7 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4040 WINWORD.EXE
4040 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

752 regsvr32.exe
752 regsvr32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4040 WINWORD.EXE
4040 WINWORD.EXE
4040 WINWORD.EXE
4040 WINWORD.EXE
4040 WINWORD.EXE
4040 WINWORD.EXE
4040 WINWORD.EXE
4040 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	7	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
4040	WINWORD.EXE
4040	WINWORD.EXE

pid	process
752	regsvr32.exe
752	regsvr32.exe

pid	process
4040	WINWORD.EXE
4040	WINWORD.EXE
4040	WINWORD.EXE
4040	WINWORD.EXE
4040	WINWORD.EXE
4040	WINWORD.EXE
4040	WINWORD.EXE
4040	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 4040 wrote to memory of 752	4040	WINWORD.EXE	regsvr32.exe
PID 4040 wrote to memory of 752	4040	WINWORD.EXE	regsvr32.exe
PID 752 wrote to memory of 1844	752	regsvr32.exe	regsvr32.exe
PID 752 wrote to memory of 1844	752	regsvr32.exe	regsvr32.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

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\cbc8823e0169b95c8acf6023433409bee7f26cff15efd0dcc644a6a95b9b4e76.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:4040
- C:\Windows\System32\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\003231.tmp"
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:752
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\EIKQpNv\JMgxWOX.dll"
    3⤵
    PID:1844

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\003231.tmp

Filesize
500.9MB

MD5
14ec6ab21eaa2e1250ead41fd8455bee

SHA1
65767515daf75de6f2a991b55ac3b2ab156d7816

SHA256
1acd2c582eb7030a89269211f867b29bd7fe0d05328275066fc80c2c71787b42

SHA512
8b4e188f47af93fdb97ef907f57f97dc40b06848bab4e86d5b292e2692c5781833e27e45002e8cb5ac3ae02370942d839062dfd33e6db46e4492b75cca55de95

Download Submit
C:\Users\Admin\AppData\Local\Temp\003234.zip

Filesize
940KB

MD5
7759e67f90c999b669de99fcf7e43ad1

SHA1
168f9fd913d5d3a683b754d6d580ccd8b2600909

SHA256
b9cbac9190743e27160d2c1a6d0802a3b8977b60e8f4bb7865e62ab52374a37e

SHA512
872f243f1c3f64611c145a2efe1dfacbb156572b50c22e6299cec8f9884bdfd59c35eaca99b7117ea2c23230ef24c8982960d05b5fd997a979e2b16b19d63a77

Download Submit
\Users\Admin\AppData\Local\Temp\003231.tmp

Filesize
500.9MB

MD5
14ec6ab21eaa2e1250ead41fd8455bee

SHA1
65767515daf75de6f2a991b55ac3b2ab156d7816

SHA256
1acd2c582eb7030a89269211f867b29bd7fe0d05328275066fc80c2c71787b42

SHA512
8b4e188f47af93fdb97ef907f57f97dc40b06848bab4e86d5b292e2692c5781833e27e45002e8cb5ac3ae02370942d839062dfd33e6db46e4492b75cca55de95

Download Submit
memory/752-328-0x0000000000A00000-0x0000000000A5A000-memory.dmp

Filesize
360KB

Download
memory/752-334-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/4040-125-0x00007FFD19500000-0x00007FFD19510000-memory.dmp

Filesize
64KB

Download
memory/4040-126-0x00007FFD19500000-0x00007FFD19510000-memory.dmp

Filesize
64KB

Download
memory/4040-122-0x00007FFD1CC50000-0x00007FFD1CC60000-memory.dmp

Filesize
64KB

Download
memory/4040-121-0x00007FFD1CC50000-0x00007FFD1CC60000-memory.dmp

Filesize
64KB

Download
memory/4040-120-0x00007FFD1CC50000-0x00007FFD1CC60000-memory.dmp

Filesize
64KB

Download
memory/4040-119-0x00007FFD1CC50000-0x00007FFD1CC60000-memory.dmp

Filesize
64KB

Download
memory/4040-423-0x00007FFD1CC50000-0x00007FFD1CC60000-memory.dmp

Filesize
64KB

Download
memory/4040-424-0x00007FFD1CC50000-0x00007FFD1CC60000-memory.dmp

Filesize
64KB

Download
memory/4040-425-0x00007FFD1CC50000-0x00007FFD1CC60000-memory.dmp

Filesize
64KB

Download
memory/4040-426-0x00007FFD1CC50000-0x00007FFD1CC60000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads