emotet | f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
31-07-2022 09:23

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General

Target

f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b.exe
Size

299KB
MD5

ab764825c4ec1cb0bdc256431b0a3421
SHA1

cd085882032929c7896b3004c51acba5ff8c04bf
SHA256

f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b
SHA512

562972c163ed3b6b981237b607367d6fd14172e1aac589f48ab8b3a167e8540d04a266e55cf421f9fe616ab7d24c82009d962608f317bb2c3093efb6dd20a432

Score

10^/10

emotet epoch1 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

186.90.29.228:443

181.135.153.203:443

74.208.68.48:8080

104.131.58.132:8080

68.183.190.199:8080

50.28.51.143:8080

77.55.211.77:8080

181.29.101.13:8080

178.79.163.131:8080

5.1.86.195:8080

187.188.166.192:80

203.25.159.3:8080

139.5.237.27:443

190.1.37.125:443

200.58.171.51:80

186.1.41.111:443

46.29.183.211:8080

109.169.86.13:8080

71.244.60.231:7080

159.203.204.126:8080

rsa_pubkey.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Drops file in System32 directory 4 IoCs

Processes:

caprouter.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	caprouter.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	caprouter.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	caprouter.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	caprouter.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies data under HKEY_USERS 3 IoCs

Processes:

caprouter.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	caprouter.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	caprouter.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	caprouter.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

caprouter.exe

pid	process
640	caprouter.exe
640	caprouter.exe
640	caprouter.exe
640	caprouter.exe
640	caprouter.exe
640	caprouter.exe
640	caprouter.exe
640	caprouter.exe
640	caprouter.exe
640	caprouter.exe
640	caprouter.exe
640	caprouter.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b.exe

pid process

2244 f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b.exe

pid	process
2244	f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b.execaprouter.exe

description	pid	process	target process
PID 4752 wrote to memory of 2244	4752	f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b.exe	f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b.exe
PID 4752 wrote to memory of 2244	4752	f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b.exe	f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b.exe
PID 4752 wrote to memory of 2244	4752	f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b.exe	f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b.exe
PID 1156 wrote to memory of 640	1156	caprouter.exe	caprouter.exe
PID 1156 wrote to memory of 640	1156	caprouter.exe	caprouter.exe
PID 1156 wrote to memory of 640	1156	caprouter.exe	caprouter.exe

C:\Users\Admin\AppData\Local\Temp\f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b.exe
"C:\Users\Admin\AppData\Local\Temp\f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4752

C:\Users\Admin\AppData\Local\Temp\f84bff87f9060e2b3503779befa6179a3534c98e2c65ea26e16f2459a3ea5f8b.exe
--a742f094
2⤵
- Suspicious behavior: RenamesItself
PID:2244

C:\Windows\SysWOW64\caprouter.exe
"C:\Windows\SysWOW64\caprouter.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1156

C:\Windows\SysWOW64\caprouter.exe
--b1263d71
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:640

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/640-147-0x0000000000000000-mapping.dmp

Download
memory/640-149-0x0000000000DC0000-0x0000000000DD7000-memory.dmp

Filesize
92KB

Download
memory/1156-143-0x0000000000600000-0x0000000000617000-memory.dmp

Filesize
92KB

Download
memory/2244-135-0x0000000000000000-mapping.dmp

Download
memory/2244-137-0x0000000002220000-0x0000000002237000-memory.dmp

Filesize
92KB

Download
memory/4752-130-0x0000000000760000-0x0000000000777000-memory.dmp

Filesize
92KB

Download
memory/4752-136-0x00000000005C0000-0x00000000005D0000-memory.dmp

Filesize
64KB

Download