emotet | 5eaadcad5fae135d569188d5ea0244f84fa9eecd7ddc5ca2deeebe382c19597c

Analysis

max time kernel
125s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 01:15

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General

Target
ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe
Size 65KB
Sample240919-bmma2stbmk
SHA256 5eaadcad5fae135d569188d5ea0244f84fa9eecd7ddc5ca2deeebe382c19597c
MD5 ea5249c2a917d4c472bd7fe8f0c1bdc0
SHA1 e2f4aa782310384332ef5c60486413c099b04549
SHA512 f23a3988e17275f76c85301613a1b18278e16cfb876c7831769d4ea9adc656bdaccd794fef090feb6a7b9a544f8e7e3bccf7d7a35d16bfcd452ced8635b02865
SSDEEP 1536:E5EHpgcVVRF52aEgvWi4Q34FNtOAND4Yafy6GK8:rbV7MZM2dH54PA
MD5 SHA1 SHA512 SSDEEP

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	adminresw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	adminresw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	adminresw.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	adminresw.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	ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	adminresw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	adminresw.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\History\CachePrefix = "Visited:"	adminresw.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	adminresw.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	adminresw.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
4876	ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe
4876	ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe
764	ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe
764	ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe
2392	adminresw.exe
2392	adminresw.exe
2656	adminresw.exe
2656	adminresw.exe
2656	adminresw.exe
2656	adminresw.exe
2656	adminresw.exe
2656	adminresw.exe
2656	adminresw.exe
2656	adminresw.exe
2656	adminresw.exe
2656	adminresw.exe
2656	adminresw.exe
2656	adminresw.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
764	ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 764	4876	ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe	84
PID 4876 wrote to memory of 764	4876	ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe	84
PID 4876 wrote to memory of 764	4876	ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe	84
PID 2392 wrote to memory of 2656	2392	adminresw.exe	90
PID 2392 wrote to memory of 2656	2392	adminresw.exe	90
PID 2392 wrote to memory of 2656	2392	adminresw.exe	90

C:\Users\Admin\AppData\Local\Temp\ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Users\Admin\AppData\Local\Temp\ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ea5249c2a917d4c472bd7fe8f0c1bdc0_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  PID:764

C:\Windows\SysWOW64\adminresw.exe
"C:\Windows\SysWOW64\adminresw.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\adminresw.exe
  "C:\Windows\SysWOW64\adminresw.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/764-0-0x0000000000400000-0x0000000000415000-memory.dmp

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