emotet | 50518f7a0bb1a41632ba8ecc294b4be70433d56153b2606fe68e65a65643e77a

General

Target

fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe
Size

300KB
MD5

fedb88925ae53b36289edc85f2d3c976
SHA1

6a7f4b3ab4e655f88a3d6dfdff65659d185fd6bf
SHA256

50518f7a0bb1a41632ba8ecc294b4be70433d56153b2606fe68e65a65643e77a
SHA512

528e94b302473ba9072cd76f37e3c9b45988ef244e42fce2574d39dde67b4f5ebdea553d6fb99d1bc17bd2e9f0b427830f2970a12c27fe6b7eedbd914f2bdbbf
SSDEEP

1536:F/AWgKrRk2B3RHIHiTMkH7ZRoBPU/LbJSQbIOtKNiKT:F/RJtBhPwkNKBsxtM

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\IE	cosinevsgd.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	cosinevsgd.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	cosinevsgd.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	cosinevsgd.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	fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cosinevsgd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cosinevsgd.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	cosinevsgd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	cosinevsgd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	cosinevsgd.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2668	fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe
2668	fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe
4780	fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe
4780	fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe
3376	cosinevsgd.exe
3376	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe
2788	cosinevsgd.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4780	fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 4780	2668	fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe	82
PID 2668 wrote to memory of 4780	2668	fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe	82
PID 2668 wrote to memory of 4780	2668	fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe	82
PID 3376 wrote to memory of 2788	3376	cosinevsgd.exe	84
PID 3376 wrote to memory of 2788	3376	cosinevsgd.exe	84
PID 3376 wrote to memory of 2788	3376	cosinevsgd.exe	84

C:\Users\Admin\AppData\Local\Temp\fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Users\Admin\AppData\Local\Temp\fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fedb88925ae53b36289edc85f2d3c976_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  PID:4780

C:\Windows\SysWOW64\cosinevsgd.exe
"C:\Windows\SysWOW64\cosinevsgd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3376
- C:\Windows\SysWOW64\cosinevsgd.exe
  "C:\Windows\SysWOW64\cosinevsgd.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:2788

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/2668-4-0x0000000001700000-0x000000000170D000-memory.dmp

Filesize
52KB

Download
memory/2668-0-0x0000000001700000-0x000000000170D000-memory.dmp

Filesize
52KB

Download
memory/2668-5-0x00000000016F0000-0x00000000016FD000-memory.dmp

Filesize
52KB

Download
memory/2668-6-0x0000000001710000-0x0000000001720000-memory.dmp

Filesize
64KB

Download
memory/2668-14-0x00000000016F0000-0x00000000016FD000-memory.dmp

Filesize
52KB

Download
memory/2788-32-0x00000000012B0000-0x00000000012BD000-memory.dmp

Filesize
52KB

Download
memory/2788-23-0x00000000012C0000-0x00000000012CD000-memory.dmp

Filesize
52KB

Download
memory/2788-28-0x00000000015D0000-0x00000000015E0000-memory.dmp

Filesize
64KB

Download
memory/2788-27-0x00000000012C0000-0x00000000012CD000-memory.dmp

Filesize
52KB

Download
memory/2788-22-0x00000000012B0000-0x00000000012BD000-memory.dmp

Filesize
52KB

Download
memory/3376-21-0x00000000007B0000-0x00000000007C0000-memory.dmp

Filesize
64KB

Download
memory/3376-20-0x0000000000790000-0x000000000079D000-memory.dmp

Filesize
52KB

Download
memory/3376-15-0x00000000007A0000-0x00000000007AD000-memory.dmp

Filesize
52KB

Download
memory/3376-19-0x00000000007A0000-0x00000000007AD000-memory.dmp

Filesize
52KB

Download
memory/3376-29-0x0000000000790000-0x000000000079D000-memory.dmp

Filesize
52KB

Download
memory/4780-8-0x0000000000DA0000-0x0000000000DAD000-memory.dmp

Filesize
52KB

Download
memory/4780-13-0x0000000000DC0000-0x0000000000DD0000-memory.dmp

Filesize
64KB

Download
memory/4780-12-0x0000000000DA0000-0x0000000000DAD000-memory.dmp

Filesize
52KB

Download
memory/4780-31-0x0000000000D90000-0x0000000000D9D000-memory.dmp

Filesize
52KB

Download
memory/4780-30-0x0000000000040000-0x000000000008C000-memory.dmp

Filesize
304KB

Download
memory/4780-7-0x0000000000D90000-0x0000000000D9D000-memory.dmp

Filesize
52KB

Download

Analysis

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