emotet | 38a389ae3b625c324dd44b8707169407bf5a39a3310841da29db13f30a3a41ec

General

Target

d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe
Size

349KB
MD5

d3a225b52a96a561e17679a714f8f0ae
SHA1

bf8dbcd17973d23f89622203dcd1c41340656150
SHA256

38a389ae3b625c324dd44b8707169407bf5a39a3310841da29db13f30a3a41ec
SHA512

f11b80f20eb6482fe8ebc3dada8612d31d9e6727b91275bd9b8f28dcf6cb1cd07943afde13bf4ef46316fe1119d0dd6ca6205a61abc4fddbaa3baa6e490d3735
SSDEEP

6144:bBf46wO7HK3Uwo5VUg+4sEjoKnun1Knun1Knun1Knun1Knun1Knun1Knun1Knun0:9f9oWVp2WOWOWOWOWOWOWOWOW1oPx/s

Score

10^/10

emotet banker discovery trojan

Malware Config

Signatures

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

Drops file in System32 directory 4 IoCs

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

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	d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	avgculture.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	avgculture.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	avgculture.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	avgculture.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	avgculture.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4884	avgculture.exe
4884	avgculture.exe
4884	avgculture.exe
4884	avgculture.exe
4884	avgculture.exe
4884	avgculture.exe
4884	avgculture.exe
4884	avgculture.exe
4884	avgculture.exe
4884	avgculture.exe
4884	avgculture.exe
4884	avgculture.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3760	d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 3760	4260	d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe	86
PID 4260 wrote to memory of 3760	4260	d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe	86
PID 4260 wrote to memory of 3760	4260	d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe	86
PID 1536 wrote to memory of 4884	1536	avgculture.exe	89
PID 1536 wrote to memory of 4884	1536	avgculture.exe	89
PID 1536 wrote to memory of 4884	1536	avgculture.exe	89

C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Users\Admin\AppData\Local\Temp\d3a225b52a96a561e17679a714f8f0ae_JaffaCakes118.exe
  --3028d603
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  PID:3760

C:\Windows\SysWOW64\avgculture.exe
"C:\Windows\SysWOW64\avgculture.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Windows\SysWOW64\avgculture.exe
  --ed713c4e
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:4884

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/1536-7-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1536-8-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/3760-5-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/3760-6-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/3760-13-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4260-0-0x0000000000600000-0x000000000061B000-memory.dmp

Filesize
108KB

Download
memory/4260-1-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4260-4-0x0000000000600000-0x000000000061B000-memory.dmp

Filesize
108KB

Download
memory/4884-14-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4884-15-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4884-16-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4884-18-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download

Analysis

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