emotet | 262d443c9424cef92fa14812aa94e28c165e9efb4f68a588cedca7d08603b13a

General

Target

262d443c9424cef92fa14812aa94e28c165e9efb4f68a588cedca7d08603b13aN.exe
Size

275KB
MD5

b2813aed5979ed073468939d1c8dc6d0
SHA1

edbfeb04b36b4a681f5a2ca74ae45359637aa9d8
SHA256

262d443c9424cef92fa14812aa94e28c165e9efb4f68a588cedca7d08603b13a
SHA512

e1ac6b1f010ce432c0b5e33e67c482241dc3022512c493cd53794724b6cab267e1ba3bc07bab558abcdff656c13f5e1fafba14cc6710b984ea163acb5d298e7f
SSDEEP

3072:Mlse+h1pgO08zUngVMUhUk8huW9gCC97TlC16pxIsd/6ClKDtdV7fr2yITqfPeAf:MlseSg5g3atAlDeCx4RdV7yTqfP1B3f

Score

10^/10

emotet epoch3 banker discovery trojan upx

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

C2

190.117.206.153:443

203.99.187.137:443

200.55.168.82:20

70.32.94.58:8080

213.138.100.98:8080

144.76.62.10:8080

203.99.188.203:990

201.196.15.79:990

203.99.182.135:443

176.58.93.123:80

192.241.220.183:8080

94.177.253.126:80

181.47.235.26:993

216.75.37.196:8080

95.216.207.86:7080

78.109.34.178:443

113.52.135.33:7080

216.70.88.55:8080

138.197.140.163:8080

181.113.229.139:990

rsa_pubkey.plain

Signatures

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

Drops file in System32 directory 4 IoCs

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

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1952-0-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral2/memory/1952-8-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral2/memory/4580-22-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral2/memory/4140-21-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral2/memory/3068-20-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral2/memory/4140-24-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral2/memory/4580-30-0x0000000000400000-0x0000000000494000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	262d443c9424cef92fa14812aa94e28c165e9efb4f68a588cedca7d08603b13an.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	keydefkeydef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	keydefkeydef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	262d443c9424cef92fa14812aa94e28c165e9efb4f68a588cedca7d08603b13aN.exe

Modifies data under HKEY_USERS 3 IoCs

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

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4580	keydefkeydef.exe
4580	keydefkeydef.exe
4580	keydefkeydef.exe
4580	keydefkeydef.exe
4580	keydefkeydef.exe
4580	keydefkeydef.exe
4580	keydefkeydef.exe
4580	keydefkeydef.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4140	262d443c9424cef92fa14812aa94e28c165e9efb4f68a588cedca7d08603b13an.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 4140	1952	262d443c9424cef92fa14812aa94e28c165e9efb4f68a588cedca7d08603b13aN.exe	84
PID 1952 wrote to memory of 4140	1952	262d443c9424cef92fa14812aa94e28c165e9efb4f68a588cedca7d08603b13aN.exe	84
PID 1952 wrote to memory of 4140	1952	262d443c9424cef92fa14812aa94e28c165e9efb4f68a588cedca7d08603b13aN.exe	84
PID 3068 wrote to memory of 4580	3068	keydefkeydef.exe	86
PID 3068 wrote to memory of 4580	3068	keydefkeydef.exe	86
PID 3068 wrote to memory of 4580	3068	keydefkeydef.exe	86

C:\Users\Admin\AppData\Local\Temp\262d443c9424cef92fa14812aa94e28c165e9efb4f68a588cedca7d08603b13aN.exe
"C:\Users\Admin\AppData\Local\Temp\262d443c9424cef92fa14812aa94e28c165e9efb4f68a588cedca7d08603b13aN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Users\Admin\AppData\Local\Temp\262d443c9424cef92fa14812aa94e28c165e9efb4f68a588cedca7d08603b13an.exe
  --b77c4df8
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  PID:4140

C:\Windows\SysWOW64\keydefkeydef.exe
"C:\Windows\SysWOW64\keydefkeydef.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Windows\SysWOW64\keydefkeydef.exe
  --88ffe45e
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:4580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1952-0-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1952-3-0x0000000002280000-0x0000000002290000-memory.dmp

Filesize
64KB

Download
memory/1952-1-0x00000000022A0000-0x00000000022B6000-memory.dmp

Filesize
88KB

Download
memory/1952-8-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/3068-14-0x0000000000F20000-0x0000000000F36000-memory.dmp

Filesize
88KB

Download
memory/3068-20-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/4140-9-0x0000000000540000-0x0000000000556000-memory.dmp

Filesize
88KB

Download
memory/4140-21-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/4140-24-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/4580-22-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/4580-25-0x0000000000630000-0x0000000000646000-memory.dmp

Filesize
88KB

Download
memory/4580-30-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download

Analysis

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