emotet | 384dd5293338e8b76d8702f7f7d7ffaff71e978c35a9827aa320819f5742e11d

Analysis

max time kernel
68s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2022, 23:45

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General

Target
em21.dll
Size 629KB
Sample221102-3rp2aafddq
SHA256 384dd5293338e8b76d8702f7f7d7ffaff71e978c35a9827aa320819f5742e11d
MD5 a1c997ec4699b186c7ce09ef166d62f6
SHA1 90b84f6c80b6d1f87117c093e49622c916fcd2f9
SHA512 86022ac95942e3d8e7bdc6a60ec655d8407ecf0e9ca48c735fc09438023fab963ea702d6360cc71e960a06c1fbe6b64e1084903807bd8e2d6f7c02e5e05a86e0
SSDEEP 12288:6tGis7p49VmD3OjG7QbBtL65WhNye5JHKVu6cig1Doa:6tGis1T3OjueL1hd5NKAD3
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

emotet banker persistence trojan

Malware Config

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ykSikP.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\CHIAFhj\\ykSikP.dll\""	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4512	regsvr32.exe
4512	regsvr32.exe
2324	regsvr32.exe
2324	regsvr32.exe
2324	regsvr32.exe
2324	regsvr32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4512	regsvr32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 2324	4512	regsvr32.exe	80
PID 4512 wrote to memory of 2324	4512	regsvr32.exe	80

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\em21.dll
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4512
- C:\Windows\system32\regsvr32.exe
  C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CHIAFhj\ykSikP.dll"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:2324

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4512-132-0x0000000180000000-0x000000018002F000-memory.dmp

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