emotet | 3a39346cbb3b0da3659f40e491bd2157a32ccd46099bd1fc3a8b26a71108facf

General

Target

3a39346cbb3b0da3659f40e491bd2157a32ccd46099bd1fc3a8b26a71108facf.exe
Size

444KB
MD5

bf634e6bd5d768e5b4ad4dd40965ae4e
SHA1

5ac1aab29da72cd8b5b65d161bd25dfdcc3b39a0
SHA256

3a39346cbb3b0da3659f40e491bd2157a32ccd46099bd1fc3a8b26a71108facf
SHA512

d3333884c24f43bf522fa6d1089498c34a0cf2d8c90abebaa43b1570d531d21b759edf580fddd24bb921abf8cf2b4637b54a56e968f481e1bdadbba79a0f6bfd

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 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	accesssys.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 18 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8CCF2B33-683E-4220-94AC-20FAC7255C74}\WpadDecisionTime = a0ab12387088d801	accesssys.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-e1-a2-8e-f2-24\WpadDecision = "0"	accesssys.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	accesssys.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	accesssys.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8CCF2B33-683E-4220-94AC-20FAC7255C74}\WpadDecisionReason = "1"	accesssys.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8CCF2B33-683E-4220-94AC-20FAC7255C74}	accesssys.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8CCF2B33-683E-4220-94AC-20FAC7255C74}\WpadNetworkName = "Network 2"	accesssys.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f009a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	accesssys.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	accesssys.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	accesssys.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	accesssys.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-e1-a2-8e-f2-24	accesssys.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8CCF2B33-683E-4220-94AC-20FAC7255C74}\fe-e1-a2-8e-f2-24	accesssys.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-e1-a2-8e-f2-24\WpadDecisionReason = "1"	accesssys.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-e1-a2-8e-f2-24\WpadDecisionTime = a0ab12387088d801	accesssys.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	accesssys.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	accesssys.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8CCF2B33-683E-4220-94AC-20FAC7255C74}\WpadDecision = "0"	accesssys.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1944	3a39346cbb3b0da3659f40e491bd2157a32ccd46099bd1fc3a8b26a71108facf.exe
1796	3a39346cbb3b0da3659f40e491bd2157a32ccd46099bd1fc3a8b26a71108facf.exe
1528	accesssys.exe
1836	accesssys.exe
1836	accesssys.exe
1836	accesssys.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1796	3a39346cbb3b0da3659f40e491bd2157a32ccd46099bd1fc3a8b26a71108facf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1796	1944	3a39346cbb3b0da3659f40e491bd2157a32ccd46099bd1fc3a8b26a71108facf.exe	28
PID 1944 wrote to memory of 1796	1944	3a39346cbb3b0da3659f40e491bd2157a32ccd46099bd1fc3a8b26a71108facf.exe	28
PID 1944 wrote to memory of 1796	1944	3a39346cbb3b0da3659f40e491bd2157a32ccd46099bd1fc3a8b26a71108facf.exe	28
PID 1944 wrote to memory of 1796	1944	3a39346cbb3b0da3659f40e491bd2157a32ccd46099bd1fc3a8b26a71108facf.exe	28
PID 1528 wrote to memory of 1836	1528	accesssys.exe	30
PID 1528 wrote to memory of 1836	1528	accesssys.exe	30
PID 1528 wrote to memory of 1836	1528	accesssys.exe	30
PID 1528 wrote to memory of 1836	1528	accesssys.exe	30

C:\Users\Admin\AppData\Local\Temp\3a39346cbb3b0da3659f40e491bd2157a32ccd46099bd1fc3a8b26a71108facf.exe
"C:\Users\Admin\AppData\Local\Temp\3a39346cbb3b0da3659f40e491bd2157a32ccd46099bd1fc3a8b26a71108facf.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\3a39346cbb3b0da3659f40e491bd2157a32ccd46099bd1fc3a8b26a71108facf.exe
  "C:\Users\Admin\AppData\Local\Temp\3a39346cbb3b0da3659f40e491bd2157a32ccd46099bd1fc3a8b26a71108facf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  PID:1796

C:\Windows\SysWOW64\accesssys.exe
"C:\Windows\SysWOW64\accesssys.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Windows\SysWOW64\accesssys.exe
  "C:\Windows\SysWOW64\accesssys.exe"
  2⤵
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:1836

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

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Downloads

memory/1528-75-0x00000000004C0000-0x00000000004D9000-memory.dmp

Filesize
100KB

Download
memory/1528-83-0x00000000003F0000-0x0000000000400000-memory.dmp

Filesize
64KB

Download
memory/1528-82-0x00000000004A0000-0x00000000004B9000-memory.dmp

Filesize
100KB

Download
memory/1528-71-0x00000000004C0000-0x00000000004D9000-memory.dmp

Filesize
100KB

Download
memory/1796-84-0x0000000000240000-0x0000000000259000-memory.dmp

Filesize
100KB

Download
memory/1796-60-0x00000000002F0000-0x0000000000309000-memory.dmp

Filesize
100KB

Download
memory/1796-64-0x00000000002F0000-0x0000000000309000-memory.dmp

Filesize
100KB

Download
memory/1796-67-0x0000000000240000-0x0000000000259000-memory.dmp

Filesize
100KB

Download
memory/1796-68-0x0000000000310000-0x0000000000320000-memory.dmp

Filesize
64KB

Download
memory/1796-69-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1796-70-0x0000000000240000-0x0000000000259000-memory.dmp

Filesize
100KB

Download
memory/1836-81-0x00000000003D0000-0x00000000003E9000-memory.dmp

Filesize
100KB

Download
memory/1836-77-0x00000000003D0000-0x00000000003E9000-memory.dmp

Filesize
100KB

Download
memory/1836-85-0x0000000000240000-0x0000000000259000-memory.dmp

Filesize
100KB

Download
memory/1836-86-0x0000000000270000-0x0000000000280000-memory.dmp

Filesize
64KB

Download
memory/1836-88-0x0000000000240000-0x0000000000259000-memory.dmp

Filesize
100KB

Download
memory/1944-54-0x00000000003C0000-0x00000000003D9000-memory.dmp

Filesize
100KB

Download
memory/1944-66-0x0000000000350000-0x0000000000360000-memory.dmp

Filesize
64KB

Download
memory/1944-65-0x00000000003A0000-0x00000000003B9000-memory.dmp

Filesize
100KB

Download
memory/1944-58-0x00000000003C0000-0x00000000003D9000-memory.dmp

Filesize
100KB

Download

Analysis

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