emotet | 6aa060af324d16951f1000111710ebc6293fee131aec1891b8b2d1b6713d1365

General

Target

f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe
Size

126KB
MD5

f556e16ab3b138a427d52c5dd8f20838
SHA1

b521d50ee90768081eaf69fb212ef175ee9a9a2d
SHA256

6aa060af324d16951f1000111710ebc6293fee131aec1891b8b2d1b6713d1365
SHA512

121f2532845db169e03cb513c9245a2331ab75a59399b1352820e287681530419a3353c43478c0dfdf145b508d6219c3368a7e1f097912ceb71c3f2c6f399138
SSDEEP

3072:d/yHfMPKXed77o6Q/dEVQIOILEsMAl+JZA3+Uv:d6exXKhI6At

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	nisjobs.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	nisjobs.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	nisjobs.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	nisjobs.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	nisjobs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nisjobs.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	nisjobs.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	nisjobs.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	nisjobs.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1516	nisjobs.exe
1516	nisjobs.exe
1516	nisjobs.exe
1516	nisjobs.exe
1516	nisjobs.exe
1516	nisjobs.exe
1516	nisjobs.exe
1516	nisjobs.exe
1516	nisjobs.exe
1516	nisjobs.exe
1516	nisjobs.exe
1516	nisjobs.exe
1516	nisjobs.exe
1516	nisjobs.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1916	f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3320 wrote to memory of 1916	3320	f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe	83
PID 3320 wrote to memory of 1916	3320	f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe	83
PID 3320 wrote to memory of 1916	3320	f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe	83
PID 1076 wrote to memory of 1516	1076	nisjobs.exe	87
PID 1076 wrote to memory of 1516	1076	nisjobs.exe	87
PID 1076 wrote to memory of 1516	1076	nisjobs.exe	87

C:\Users\Admin\AppData\Local\Temp\f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3320
- C:\Users\Admin\AppData\Local\Temp\f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe
  --1f4b642e
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  PID:1916

C:\Windows\SysWOW64\nisjobs.exe
"C:\Windows\SysWOW64\nisjobs.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Windows\SysWOW64\nisjobs.exe
  --24aa0d04
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:1516

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/1076-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1076-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1516-19-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1516-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1516-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1516-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1916-13-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1916-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1916-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1916-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3320-0-0x00000000006E0000-0x00000000006F1000-memory.dmp

Filesize
68KB

Download
memory/3320-4-0x00000000006E0000-0x00000000006F1000-memory.dmp

Filesize
68KB

Download
memory/3320-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3320-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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