emotet | cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f

General

Target

cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
Size

233KB
MD5

39377e33acee3c0388c62206d6472b28
SHA1

615c5f907dc323b05fb9638366b97ddad9530ee0
SHA256

cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f
SHA512

d2e1926c349b96022f2b1eb35854cdb01ce1ab8b7c3d5cca1702b5b15be14f681557c416d4241e8f81f046c59132611dcef8b5bc4d45fded2b3d97fa601ecdb6
SSDEEP

3072:tJGbF2ny0ViOfTOp3ORLYkGQXOa+8ZpDySU7fqMvUC1XAEuwkil0WtapmOgC9RPa:+MnyK/TTZEhvUCh0iIpVRPbkZ9rVH

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:

wcsdev.exe

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

wcsdev.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A72DDFF-71A7-4DEB-BDE0-27C03B1454B5}\WpadDecisionTime = 70e1a4ed0c34d901	wcsdev.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-b7-cd-fe-6e-b6\WpadDecisionTime = 70e1a4ed0c34d901	wcsdev.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-b7-cd-fe-6e-b6\WpadDecision = "0"	wcsdev.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	wcsdev.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	wcsdev.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	wcsdev.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f001b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	wcsdev.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	wcsdev.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	wcsdev.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A72DDFF-71A7-4DEB-BDE0-27C03B1454B5}\WpadNetworkName = "Network 2"	wcsdev.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A72DDFF-71A7-4DEB-BDE0-27C03B1454B5}\d6-b7-cd-fe-6e-b6	wcsdev.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-b7-cd-fe-6e-b6	wcsdev.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	wcsdev.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	wcsdev.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	wcsdev.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A72DDFF-71A7-4DEB-BDE0-27C03B1454B5}\WpadDecisionReason = "1"	wcsdev.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-b7-cd-fe-6e-b6\WpadDecisionReason = "1"	wcsdev.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	wcsdev.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	wcsdev.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A72DDFF-71A7-4DEB-BDE0-27C03B1454B5}	wcsdev.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4A72DDFF-71A7-4DEB-BDE0-27C03B1454B5}\WpadDecision = "0"	wcsdev.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

wcsdev.exe

pid process

1072 wcsdev.exe
1072 wcsdev.exe
1072 wcsdev.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe

pid process

1692 cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe

pid	process
1072	wcsdev.exe
1072	wcsdev.exe
1072	wcsdev.exe

pid	process
1692	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe

Suspicious use of UnmapMainImage 4 IoCs

Processes:

cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.execfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exewcsdev.exewcsdev.exe

pid	process
1128	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
1692	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
1408	wcsdev.exe
1072	wcsdev.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exewcsdev.exe

description	pid	process	target process
PID 1128 wrote to memory of 1692	1128	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
PID 1128 wrote to memory of 1692	1128	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
PID 1128 wrote to memory of 1692	1128	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
PID 1128 wrote to memory of 1692	1128	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
PID 1408 wrote to memory of 1072	1408	wcsdev.exe	wcsdev.exe
PID 1408 wrote to memory of 1072	1408	wcsdev.exe	wcsdev.exe
PID 1408 wrote to memory of 1072	1408	wcsdev.exe	wcsdev.exe
PID 1408 wrote to memory of 1072	1408	wcsdev.exe	wcsdev.exe

C:\Users\Admin\AppData\Local\Temp\cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
"C:\Users\Admin\AppData\Local\Temp\cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe"
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1128

C:\Users\Admin\AppData\Local\Temp\cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
--959da7ef
2⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
PID:1692

C:\Windows\SysWOW64\wcsdev.exe
"C:\Windows\SysWOW64\wcsdev.exe"
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1408

C:\Windows\SysWOW64\wcsdev.exe
--986c5a40
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:1072

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

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Downloads

memory/1072-60-0x0000000000000000-mapping.dmp

Download
memory/1072-62-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1072-64-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1128-55-0x00000000001B0000-0x00000000001CB000-memory.dmp

Filesize
108KB

Download
memory/1128-56-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1692-54-0x0000000000000000-mapping.dmp

Download
memory/1692-57-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/1692-58-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1692-59-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

Download
memory/1692-61-0x0000000000400000-0x000000000041D000-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