emotet | dc35e88bd93d9a45023ffdd08fe3b867db5a93088a857b155807c5849840f546

General

Target

dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe
Size

126KB
MD5

dc26e4a7b224188c789d83333a3e28fb
SHA1

4407d0c8fbab79484543377b78bb8868b0db9b32
SHA256

dc35e88bd93d9a45023ffdd08fe3b867db5a93088a857b155807c5849840f546
SHA512

65c98b0a9fec22ec4a034a0d4649056d32c955c0e57135b5b009b62248676b36b7f2536dcf80a973e2d008e1a9393ce3ffa24f8f00f93e44d888d07b94726a40
SSDEEP

3072:u3zFEhPHHIUjCgArLEZXApH3UHE360bSYU087h:ujFSHIU2Y9KEHE36uS3

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	pnfviewer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	pnfviewer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	pnfviewer.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	pnfviewer.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	pnfviewer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pnfviewer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc26e4a7b224188c789d83333a3e28fb_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\Content\CachePrefix	pnfviewer.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	pnfviewer.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	pnfviewer.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3488	pnfviewer.exe
3488	pnfviewer.exe
3488	pnfviewer.exe
3488	pnfviewer.exe
3488	pnfviewer.exe
3488	pnfviewer.exe
3488	pnfviewer.exe
3488	pnfviewer.exe
3488	pnfviewer.exe
3488	pnfviewer.exe
3488	pnfviewer.exe
3488	pnfviewer.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2068	dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 2068	4708	dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe	86
PID 4708 wrote to memory of 2068	4708	dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe	86
PID 4708 wrote to memory of 2068	4708	dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe	86
PID 4900 wrote to memory of 3488	4900	pnfviewer.exe	95
PID 4900 wrote to memory of 3488	4900	pnfviewer.exe	95
PID 4900 wrote to memory of 3488	4900	pnfviewer.exe	95

C:\Users\Admin\AppData\Local\Temp\dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Users\Admin\AppData\Local\Temp\dc26e4a7b224188c789d83333a3e28fb_JaffaCakes118.exe
  --aa3f6241
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  PID:2068

C:\Windows\SysWOW64\pnfviewer.exe
"C:\Windows\SysWOW64\pnfviewer.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4900
- C:\Windows\SysWOW64\pnfviewer.exe
  --e0a467b0
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:3488

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/2068-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2068-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2068-16-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2068-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2068-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3488-21-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3488-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3488-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3488-19-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4708-4-0x00000000006D0000-0x00000000006E1000-memory.dmp

Filesize
68KB

Download
memory/4708-0-0x00000000006D0000-0x00000000006E1000-memory.dmp

Filesize
68KB

Download
memory/4708-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4708-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4900-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4900-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing