emotet | 5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7

General

Target

5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe
Size

201KB
MD5

7293725612edaa9558ee66272a2219f5
SHA1

0abcaf703ba61d38d4b327e9d920cf301ec3eb40
SHA256

5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7
SHA512

0353b08828366a278cbffae5200285777baa00a89a459ef5cfca0f79827c0430eee0c3e66e87af088619e5ef481e237a76179ee372f0fe6ec08a872f316854de
SSDEEP

3072:4DSXf2ro/JcXsFptLu3GIPkqu8J27A76NY369Prk7XVWlHdZ/jZqMNeNH:4Def2roRc+1uFP9/J27A76/PX/vEH

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

Processes:

thunksource.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	thunksource.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 21 IoCs

Processes:

thunksource.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	thunksource.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	thunksource.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	thunksource.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CE46BC48-748F-46D1-8B1C-2B722B29A8BE}\WpadDecisionTime = b08a56d65c06d901	thunksource.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	thunksource.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	thunksource.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	thunksource.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	thunksource.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CE46BC48-748F-46D1-8B1C-2B722B29A8BE}\WpadDecisionReason = "1"	thunksource.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-34-b3-87-e3-ed\WpadDecisionReason = "1"	thunksource.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	thunksource.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	thunksource.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CE46BC48-748F-46D1-8B1C-2B722B29A8BE}\WpadDecision = "0"	thunksource.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CE46BC48-748F-46D1-8B1C-2B722B29A8BE}\WpadNetworkName = "Network 2"	thunksource.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	thunksource.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CE46BC48-748F-46D1-8B1C-2B722B29A8BE}	thunksource.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-34-b3-87-e3-ed	thunksource.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CE46BC48-748F-46D1-8B1C-2B722B29A8BE}\a2-34-b3-87-e3-ed	thunksource.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-34-b3-87-e3-ed\WpadDecisionTime = b08a56d65c06d901	thunksource.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-34-b3-87-e3-ed\WpadDecision = "0"	thunksource.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	thunksource.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

thunksource.exe

pid process

580 thunksource.exe
580 thunksource.exe
580 thunksource.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe

pid process

1772 5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe

pid	process
580	thunksource.exe
580	thunksource.exe
580	thunksource.exe

pid	process
1772	5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe

Suspicious use of UnmapMainImage 4 IoCs

Processes:

5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exethunksource.exethunksource.exe

pid	process
1456	5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe
1772	5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe
572	thunksource.exe
580	thunksource.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exethunksource.exe

description	pid	process	target process
PID 1456 wrote to memory of 1772	1456	5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe	5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe
PID 1456 wrote to memory of 1772	1456	5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe	5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe
PID 1456 wrote to memory of 1772	1456	5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe	5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe
PID 1456 wrote to memory of 1772	1456	5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe	5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe
PID 572 wrote to memory of 580	572	thunksource.exe	thunksource.exe
PID 572 wrote to memory of 580	572	thunksource.exe	thunksource.exe
PID 572 wrote to memory of 580	572	thunksource.exe	thunksource.exe
PID 572 wrote to memory of 580	572	thunksource.exe	thunksource.exe

C:\Users\Admin\AppData\Local\Temp\5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe
"C:\Users\Admin\AppData\Local\Temp\5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe"
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1456

C:\Users\Admin\AppData\Local\Temp\5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7.exe
--af9511b5
2⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
PID:1772

C:\Windows\SysWOW64\thunksource.exe
"C:\Windows\SysWOW64\thunksource.exe"
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:572

C:\Windows\SysWOW64\thunksource.exe
--41b3da6f
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:580

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/580-60-0x0000000000000000-mapping.dmp

Download
memory/580-62-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/580-64-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1456-55-0x00000000001B0000-0x00000000001CB000-memory.dmp

Filesize
108KB

Download
memory/1456-56-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1772-54-0x0000000000000000-mapping.dmp

Download
memory/1772-57-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/1772-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1772-59-0x00000000766F1000-0x00000000766F3000-memory.dmp

Filesize
8KB

Download
memory/1772-61-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads