emotet | 6d7aff70a84d9237bde3b149ff04532cafb29b6f358886b5038a737af5934d1f

Analysis

max time kernel
135s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
16/02/2023, 16:51

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General

Target
2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
Size 168KB
Sample230216-vc7zjsaf69
SHA256 6d7aff70a84d9237bde3b149ff04532cafb29b6f358886b5038a737af5934d1f
MD5 1cc91941efd6d3da54a1054d9c9d870f
SHA1 b6531c99b2fb0c51941ac3a636c5c3cf69073f65
SHA512 bade1e20f1a892e33d20535235f0ed45b625ef8cdd1ba9a391f074d3b77f971fb63f68f6d0f97e51fa48ef211fa7bea76a56da9deb88c85dbd0aa892ae78ed69
SSDEEP 3072:5JYzFEhjHHIUjCgArLEZXApH3UHE360ESYUspf:r4FeHIU2Y9KEHE36FS2pf
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	jobsiprop.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	jobsiprop.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	jobsiprop.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	jobsiprop.exe

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

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1460	jobsiprop.exe
1460	jobsiprop.exe
1460	jobsiprop.exe
1460	jobsiprop.exe
1460	jobsiprop.exe
1460	jobsiprop.exe
1460	jobsiprop.exe
1460	jobsiprop.exe
1460	jobsiprop.exe
1460	jobsiprop.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1508	2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 1508	792	2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe	81
PID 792 wrote to memory of 1508	792	2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe	81
PID 792 wrote to memory of 1508	792	2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe	81
PID 228 wrote to memory of 1460	228	jobsiprop.exe	86
PID 228 wrote to memory of 1460	228	jobsiprop.exe	86
PID 228 wrote to memory of 1460	228	jobsiprop.exe	86

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:792
- C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
  --a1bda328
  2⤵
  - Suspicious behavior: RenamesItself
  PID:1508

C:\Windows\SysWOW64\jobsiprop.exe
"C:\Windows\SysWOW64\jobsiprop.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:228
- C:\Windows\SysWOW64\jobsiprop.exe
  --9cf6d8cc
  2⤵
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:1460

Network

MITRE ATT&CK Enterprise v6

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/792-132-0x0000000002180000-0x0000000002191000-memory.dmp

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memory/792-134-0x0000000002180000-0x0000000002191000-memory.dmp

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memory/792-135-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/1460-139-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/1460-140-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/1508-136-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/1508-138-0x0000000000400000-0x0000000000414000-memory.dmp

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