emotet | 6d7aff70a84d9237bde3b149ff04532cafb29b6f358886b5038a737af5934d1f

Analysis

max time kernel
137s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2023, 02:39

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General

Target
2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
Size 168KB
Sample230214-c5cp1aab64
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\IE	ielllangs.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	ielllangs.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	ielllangs.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	ielllangs.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:"	ielllangs.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	ielllangs.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	ielllangs.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3600	ielllangs.exe
3600	ielllangs.exe
3600	ielllangs.exe
3600	ielllangs.exe
3600	ielllangs.exe
3600	ielllangs.exe
3600	ielllangs.exe
3600	ielllangs.exe
3600	ielllangs.exe
3600	ielllangs.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1204	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 4752 wrote to memory of 1204	4752	2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe	82
PID 4752 wrote to memory of 1204	4752	2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe	82
PID 4752 wrote to memory of 1204	4752	2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe	82
PID 2140 wrote to memory of 3600	2140	ielllangs.exe	86
PID 2140 wrote to memory of 3600	2140	ielllangs.exe	86
PID 2140 wrote to memory of 3600	2140	ielllangs.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:4752
- 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:1204

C:\Windows\SysWOW64\ielllangs.exe
"C:\Windows\SysWOW64\ielllangs.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\SysWOW64\ielllangs.exe
  --22ede07f
  2⤵
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:3600

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

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Downloads

memory/1204-135-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/1204-139-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/2140-136-0x0000000000CE0000-0x0000000000CF1000-memory.dmp

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memory/2140-138-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/3600-141-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/3600-142-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/4752-133-0x00000000006D0000-0x00000000006E1000-memory.dmp

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memory/4752-134-0x0000000000400000-0x000000000042C000-memory.dmp

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memory/4752-140-0x0000000000400000-0x000000000042C000-memory.dmp

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