emotet | 7b5c6edff47525ed0f9c24a55fd12504c805bc2068f8673e877a512bfb1f10f3

General

Target

dbebbd9713c4c448a1445025252b19b4_JaffaCakes118.exe
Size

166KB
MD5

dbebbd9713c4c448a1445025252b19b4
SHA1

e4f399af55596db10da94d6ae10e1bf7d74db187
SHA256

7b5c6edff47525ed0f9c24a55fd12504c805bc2068f8673e877a512bfb1f10f3
SHA512

ca6d67ff688a544a988b6bd8c1b54a66cd88e0331ea8e15bf7fee423344d4529d0b5cb014bc2f40e4bb2c405fea504992bca924a7d24a487150489987588cd55
SSDEEP

3072:+zFEhaHHIUjCgArLEZXApH3UHE360eBSYURMUSepsMdy:KFzHIU2Y9KEHE36ZBSxEMo

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\History\History.IE5	matrixbears.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	matrixbears.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	matrixbears.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	matrixbears.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	dbebbd9713c4c448a1445025252b19b4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dbebbd9713c4c448a1445025252b19b4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	matrixbears.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	matrixbears.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	matrixbears.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	matrixbears.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	matrixbears.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2192	matrixbears.exe
2192	matrixbears.exe
2192	matrixbears.exe
2192	matrixbears.exe
2192	matrixbears.exe
2192	matrixbears.exe
2192	matrixbears.exe
2192	matrixbears.exe
2192	matrixbears.exe
2192	matrixbears.exe
2192	matrixbears.exe
2192	matrixbears.exe
2192	matrixbears.exe
2192	matrixbears.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2540	dbebbd9713c4c448a1445025252b19b4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 2540	5084	dbebbd9713c4c448a1445025252b19b4_JaffaCakes118.exe	86
PID 5084 wrote to memory of 2540	5084	dbebbd9713c4c448a1445025252b19b4_JaffaCakes118.exe	86
PID 5084 wrote to memory of 2540	5084	dbebbd9713c4c448a1445025252b19b4_JaffaCakes118.exe	86
PID 3484 wrote to memory of 2192	3484	matrixbears.exe	92
PID 3484 wrote to memory of 2192	3484	matrixbears.exe	92
PID 3484 wrote to memory of 2192	3484	matrixbears.exe	92

C:\Users\Admin\AppData\Local\Temp\dbebbd9713c4c448a1445025252b19b4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dbebbd9713c4c448a1445025252b19b4_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5084
- C:\Users\Admin\AppData\Local\Temp\dbebbd9713c4c448a1445025252b19b4_JaffaCakes118.exe
  --a722f30a
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  PID:2540

C:\Windows\SysWOW64\matrixbears.exe
"C:\Windows\SysWOW64\matrixbears.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Windows\SysWOW64\matrixbears.exe
  --dd66d694
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:2192

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/2192-19-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2192-17-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2192-16-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2192-15-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2540-14-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2540-6-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2540-7-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3484-8-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3484-9-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/5084-0-0x0000000002160000-0x0000000002171000-memory.dmp

Filesize
68KB

Download
memory/5084-4-0x0000000002160000-0x0000000002171000-memory.dmp

Filesize
68KB

Download
memory/5084-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5084-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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