emotet | e0513c3444ec6da59ee2607055a8cefd94d39f7febd9544c154e413531f49bfa

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01/06/2024, 01:30

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General

Target
88fb974425b7b715b0ffdd33565bff48_JaffaCakes118.exe
Size 103KB
Sample240601-bwzyhadf67
SHA256 e0513c3444ec6da59ee2607055a8cefd94d39f7febd9544c154e413531f49bfa
MD5 88fb974425b7b715b0ffdd33565bff48
SHA1 66b874e6ef8147d66d1c157a9fd6859a4fe510d7
SHA512 033583abb1e351a42acab049a0a88143c032fb62ccf7ce1022c1c98df9622268df17511badd74a5a52860390bbd4bdeae240b695a362573dbbdd2449922b1fa7
SSDEEP 3072:ZCTQd2Z+si/QWJPxLinBY21Nl8mD7+QS9LPv6GLRWrX:kEd2NIcHOkaQS9Lvfor
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

emotet banker 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	reswmetagen.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	reswmetagen.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	reswmetagen.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	reswmetagen.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	reswmetagen.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	reswmetagen.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	reswmetagen.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
5036	reswmetagen.exe
5036	reswmetagen.exe
5036	reswmetagen.exe
5036	reswmetagen.exe
5036	reswmetagen.exe
5036	reswmetagen.exe
5036	reswmetagen.exe
5036	reswmetagen.exe
5036	reswmetagen.exe
5036	reswmetagen.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
548	88fb974425b7b715b0ffdd33565bff48_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 548	2640	88fb974425b7b715b0ffdd33565bff48_JaffaCakes118.exe	83
PID 2640 wrote to memory of 548	2640	88fb974425b7b715b0ffdd33565bff48_JaffaCakes118.exe	83
PID 2640 wrote to memory of 548	2640	88fb974425b7b715b0ffdd33565bff48_JaffaCakes118.exe	83
PID 3272 wrote to memory of 5036	3272	reswmetagen.exe	93
PID 3272 wrote to memory of 5036	3272	reswmetagen.exe	93
PID 3272 wrote to memory of 5036	3272	reswmetagen.exe	93

C:\Users\Admin\AppData\Local\Temp\88fb974425b7b715b0ffdd33565bff48_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\88fb974425b7b715b0ffdd33565bff48_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Users\Admin\AppData\Local\Temp\88fb974425b7b715b0ffdd33565bff48_JaffaCakes118.exe
  --69d9c277
  2⤵
  - Suspicious behavior: RenamesItself
  PID:548

C:\Windows\SysWOW64\reswmetagen.exe
"C:\Windows\SysWOW64\reswmetagen.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3272
- C:\Windows\SysWOW64\reswmetagen.exe
  --fdedaf0a
  2⤵
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:5036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/548-0-0x0000000000400000-0x000000000041D000-memory.dmp

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