emotet | 0537727df1752f4975690851f5508f469f94a5a9c79bb56dfd2d0c51eb1f2a23

General

Target

0537727df1752f4975690851f5508f469f94a5a9c79bb56dfd2d0c51eb1f2a23.exe
Size

132KB
MD5

67fa4e3a599feb0be78f7343720a35a6
SHA1

b06fc0530031bc0eba9f9c15ce7610dca17d94f5
SHA256

0537727df1752f4975690851f5508f469f94a5a9c79bb56dfd2d0c51eb1f2a23
SHA512

706e706f6709fb323e68c1d2ef717bb4c46be2b3c1746d3e425d965d78ad4827be975cb4d28ace2fd1ba307cf2a8d98914907421794b4e60e3bc5d0ce5616952

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	startaprompt.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	startaprompt.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	startaprompt.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	startaprompt.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\Content\CachePrefix	startaprompt.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	startaprompt.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	startaprompt.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4924	startaprompt.exe
4924	startaprompt.exe
4924	startaprompt.exe
4924	startaprompt.exe
4924	startaprompt.exe
4924	startaprompt.exe
4924	startaprompt.exe
4924	startaprompt.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2284	0537727df1752f4975690851f5508f469f94a5a9c79bb56dfd2d0c51eb1f2a23.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2284	2272	0537727df1752f4975690851f5508f469f94a5a9c79bb56dfd2d0c51eb1f2a23.exe	79
PID 2272 wrote to memory of 2284	2272	0537727df1752f4975690851f5508f469f94a5a9c79bb56dfd2d0c51eb1f2a23.exe	79
PID 2272 wrote to memory of 2284	2272	0537727df1752f4975690851f5508f469f94a5a9c79bb56dfd2d0c51eb1f2a23.exe	79
PID 220 wrote to memory of 4924	220	startaprompt.exe	89
PID 220 wrote to memory of 4924	220	startaprompt.exe	89
PID 220 wrote to memory of 4924	220	startaprompt.exe	89

C:\Users\Admin\AppData\Local\Temp\0537727df1752f4975690851f5508f469f94a5a9c79bb56dfd2d0c51eb1f2a23.exe
"C:\Users\Admin\AppData\Local\Temp\0537727df1752f4975690851f5508f469f94a5a9c79bb56dfd2d0c51eb1f2a23.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Users\Admin\AppData\Local\Temp\0537727df1752f4975690851f5508f469f94a5a9c79bb56dfd2d0c51eb1f2a23.exe
  --a24ee289
  2⤵
  - Suspicious behavior: RenamesItself
  PID:2284

C:\Windows\SysWOW64\startaprompt.exe
"C:\Windows\SysWOW64\startaprompt.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\SysWOW64\startaprompt.exe
  --eb8dbdd5
  2⤵
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:4924

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2272-130-0x00000000005C0000-0x00000000005D1000-memory.dmp

Filesize
68KB

Download
memory/2272-131-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2272-133-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2284-134-0x0000000002020000-0x0000000002031000-memory.dmp

Filesize
68KB

Download
memory/2284-135-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2284-136-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2284-138-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4924-139-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4924-140-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

Sharing