emotet | b3c2f06571bffc7f3012ac25489b90619840eed4028b6b650cade6143adef3a8

General

Target

dd604796d0a784589f06f4a9432cef73_JaffaCakes118.exe
Size

124KB
MD5

dd604796d0a784589f06f4a9432cef73
SHA1

26bc13c6355998ac67dbf0630c2c84f07cc38903
SHA256

b3c2f06571bffc7f3012ac25489b90619840eed4028b6b650cade6143adef3a8
SHA512

2b3e8535ba4372f0d8c0171391b9b88e209f0adbe98151a1481b9f9e3c40fb9fefe092424aefec59e765041409c6f8f1294b6a2c5e00095b4913be8611e6187e
SSDEEP

1536:P2nJuJ2emauyW+WCUbTuA6GdiX1MoGJtIcapJ3xtwWDk3qD9e7+yp/DJ/:P2nJuYeIakcVX1MJ07BVkp/DJ

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\INetCookies	servicegroup.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	servicegroup.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	servicegroup.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	servicegroup.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	servicegroup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	servicegroup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd604796d0a784589f06f4a9432cef73_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd604796d0a784589f06f4a9432cef73_JaffaCakes118.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\Cookies\CachePrefix = "Cookie:"	servicegroup.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	servicegroup.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	servicegroup.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2740	servicegroup.exe
2740	servicegroup.exe
2740	servicegroup.exe
2740	servicegroup.exe
2740	servicegroup.exe
2740	servicegroup.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2520	dd604796d0a784589f06f4a9432cef73_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2520	2316	dd604796d0a784589f06f4a9432cef73_JaffaCakes118.exe	85
PID 2316 wrote to memory of 2520	2316	dd604796d0a784589f06f4a9432cef73_JaffaCakes118.exe	85
PID 2316 wrote to memory of 2520	2316	dd604796d0a784589f06f4a9432cef73_JaffaCakes118.exe	85
PID 372 wrote to memory of 2740	372	servicegroup.exe	93
PID 372 wrote to memory of 2740	372	servicegroup.exe	93
PID 372 wrote to memory of 2740	372	servicegroup.exe	93

C:\Users\Admin\AppData\Local\Temp\dd604796d0a784589f06f4a9432cef73_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dd604796d0a784589f06f4a9432cef73_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\dd604796d0a784589f06f4a9432cef73_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\dd604796d0a784589f06f4a9432cef73_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  PID:2520

C:\Windows\SysWOW64\servicegroup.exe
C:\Windows\SysWOW64\servicegroup.exe
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:372
- C:\Windows\SysWOW64\servicegroup.exe
  "C:\Windows\SysWOW64\servicegroup.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:2740

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

Loading Replay Monitor...

Downloads

memory/372-20-0x0000000001030000-0x000000000103E000-memory.dmp

Filesize
56KB

Download
memory/372-30-0x0000000000BF0000-0x0000000000BFE000-memory.dmp

Filesize
56KB

Download
memory/372-21-0x0000000001140000-0x0000000001150000-memory.dmp

Filesize
64KB

Download
memory/372-16-0x0000000001030000-0x000000000103E000-memory.dmp

Filesize
56KB

Download
memory/372-15-0x0000000000BF0000-0x0000000000BFE000-memory.dmp

Filesize
56KB

Download
memory/2316-1-0x0000000000520000-0x000000000052E000-memory.dmp

Filesize
56KB

Download
memory/2316-5-0x0000000000520000-0x000000000052E000-memory.dmp

Filesize
56KB

Download
memory/2316-6-0x0000000000530000-0x0000000000540000-memory.dmp

Filesize
64KB

Download
memory/2316-0-0x00000000004F0000-0x00000000004FE000-memory.dmp

Filesize
56KB

Download
memory/2316-14-0x00000000004F0000-0x00000000004FE000-memory.dmp

Filesize
56KB

Download
memory/2520-12-0x0000000000DD0000-0x0000000000DDE000-memory.dmp

Filesize
56KB

Download
memory/2520-13-0x0000000000DE0000-0x0000000000DF0000-memory.dmp

Filesize
64KB

Download
memory/2520-8-0x0000000000DD0000-0x0000000000DDE000-memory.dmp

Filesize
56KB

Download
memory/2520-22-0x0000000000DA0000-0x0000000000DAE000-memory.dmp

Filesize
56KB

Download
memory/2520-7-0x0000000000DA0000-0x0000000000DAE000-memory.dmp

Filesize
56KB

Download
memory/2520-31-0x0000000000E40000-0x0000000000E60000-memory.dmp

Filesize
128KB

Download
memory/2520-32-0x0000000000DA0000-0x0000000000DAE000-memory.dmp

Filesize
56KB

Download
memory/2740-23-0x0000000001170000-0x000000000117E000-memory.dmp

Filesize
56KB

Download
memory/2740-24-0x00000000011A0000-0x00000000011AE000-memory.dmp

Filesize
56KB

Download
memory/2740-28-0x00000000011A0000-0x00000000011AE000-memory.dmp

Filesize
56KB

Download
memory/2740-29-0x00000000011B0000-0x00000000011C0000-memory.dmp

Filesize
64KB

Download
memory/2740-33-0x0000000001170000-0x000000000117E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing