emotet | 635cc3637c3f777b9c4a827833a09672b0491a08e59c9fba61be879d32aa8a06

General

Target

fc4abba9848c2376933cec3bd0f3e3ac_JaffaCakes118.exe
Size

112KB
MD5

fc4abba9848c2376933cec3bd0f3e3ac
SHA1

4af7027d857905abbafaac9417b72b00bb558dc1
SHA256

635cc3637c3f777b9c4a827833a09672b0491a08e59c9fba61be879d32aa8a06
SHA512

8cfa8ccdff9f44de8d76a687d6dec7ed423424654fef20168f5070ae88a464b9bd50b946bc92545f57e5acae4d597b40a6fd5feefa9f4c8fc780d00e43856805
SSDEEP

3072:TvDCGjODCKxSLKox1Xen3M0S58RXd8fEhq:TtjO+KxSzTu3lVo

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 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	adjustsonic.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	fc4abba9848c2376933cec3bd0f3e3ac_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc4abba9848c2376933cec3bd0f3e3ac_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	adjustsonic.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	adjustsonic.exe

Modifies data under HKEY_USERS 21 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B21CB88-E3E4-4B9D-9A03-3E6D6478A99E}	adjustsonic.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B21CB88-E3E4-4B9D-9A03-3E6D6478A99E}\WpadDecision = "0"	adjustsonic.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B21CB88-E3E4-4B9D-9A03-3E6D6478A99E}\76-c3-92-6c-3c-be	adjustsonic.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	adjustsonic.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	adjustsonic.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B21CB88-E3E4-4B9D-9A03-3E6D6478A99E}\WpadDecisionTime = 4012618fa111db01	adjustsonic.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B21CB88-E3E4-4B9D-9A03-3E6D6478A99E}\WpadNetworkName = "Network 3"	adjustsonic.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-c3-92-6c-3c-be\WpadDecisionTime = 4012618fa111db01	adjustsonic.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	adjustsonic.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	adjustsonic.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	adjustsonic.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B21CB88-E3E4-4B9D-9A03-3E6D6478A99E}\WpadDecisionReason = "1"	adjustsonic.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-c3-92-6c-3c-be\WpadDecisionReason = "1"	adjustsonic.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	adjustsonic.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	adjustsonic.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	adjustsonic.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-c3-92-6c-3c-be	adjustsonic.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\76-c3-92-6c-3c-be\WpadDecision = "0"	adjustsonic.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	adjustsonic.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	adjustsonic.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0115000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	adjustsonic.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2708	adjustsonic.exe
2708	adjustsonic.exe
2708	adjustsonic.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2780	fc4abba9848c2376933cec3bd0f3e3ac_JaffaCakes118.exe

Suspicious use of UnmapMainImage 4 IoCs

pid	Process
2748	fc4abba9848c2376933cec3bd0f3e3ac_JaffaCakes118.exe
2780	fc4abba9848c2376933cec3bd0f3e3ac_JaffaCakes118.exe
2656	adjustsonic.exe
2708	adjustsonic.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2780	2748	fc4abba9848c2376933cec3bd0f3e3ac_JaffaCakes118.exe	31
PID 2748 wrote to memory of 2780	2748	fc4abba9848c2376933cec3bd0f3e3ac_JaffaCakes118.exe	31
PID 2748 wrote to memory of 2780	2748	fc4abba9848c2376933cec3bd0f3e3ac_JaffaCakes118.exe	31
PID 2748 wrote to memory of 2780	2748	fc4abba9848c2376933cec3bd0f3e3ac_JaffaCakes118.exe	31
PID 2656 wrote to memory of 2708	2656	adjustsonic.exe	33
PID 2656 wrote to memory of 2708	2656	adjustsonic.exe	33
PID 2656 wrote to memory of 2708	2656	adjustsonic.exe	33
PID 2656 wrote to memory of 2708	2656	adjustsonic.exe	33

C:\Users\Admin\AppData\Local\Temp\fc4abba9848c2376933cec3bd0f3e3ac_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc4abba9848c2376933cec3bd0f3e3ac_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Users\Admin\AppData\Local\Temp\fc4abba9848c2376933cec3bd0f3e3ac_JaffaCakes118.exe
  --9bf5b775
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  - Suspicious use of UnmapMainImage
  PID:2780

C:\Windows\SysWOW64\adjustsonic.exe
"C:\Windows\SysWOW64\adjustsonic.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Windows\SysWOW64\adjustsonic.exe
  --f690f53
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of UnmapMainImage
  PID:2708

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/2656-7-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2708-11-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2708-12-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2708-13-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2708-14-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2748-0-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/2748-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2748-3-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/2748-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2780-5-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2780-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2780-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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