emotet | 749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 18:18

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General

Target

749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1.exe
Size

233KB
MD5

18ae3da3daae20222b52f9ae8fb6729e
SHA1

20192c64d9a6757bccd71111dcb0b5ff856cfa72
SHA256

749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1
SHA512

7b1e644eabeba9a13e46667ebfc5d0355a5873df143b84815bbef61dfe4e02f0e3b2090afa162323e18704d4187a93f853084e40eee45e9c2fe1745fdea8974e
SSDEEP

3072:XZoGbF2ny0ViOfTOp3ORLYkGQXOa+8ZpDySU7fqMvvXAEuwfb30WtaImOgC9RPbA:TMnyK/TTZEhvfjqIVRPbkZ9rVx

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

Processes:

jerseydasmrc.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	jerseydasmrc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	jerseydasmrc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	jerseydasmrc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	jerseydasmrc.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

Processes:

jerseydasmrc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	jerseydasmrc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	jerseydasmrc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	jerseydasmrc.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

jerseydasmrc.exe

pid	process
4084	jerseydasmrc.exe
4084	jerseydasmrc.exe
4084	jerseydasmrc.exe
4084	jerseydasmrc.exe
4084	jerseydasmrc.exe
4084	jerseydasmrc.exe
4084	jerseydasmrc.exe
4084	jerseydasmrc.exe
4084	jerseydasmrc.exe
4084	jerseydasmrc.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1.exe

pid process

4440 749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1.exe

pid	process
4440	749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1.exejerseydasmrc.exe

description	pid	process	target process
PID 4464 wrote to memory of 4440	4464	749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1.exe	749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1.exe
PID 4464 wrote to memory of 4440	4464	749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1.exe	749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1.exe
PID 4464 wrote to memory of 4440	4464	749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1.exe	749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1.exe
PID 2500 wrote to memory of 4084	2500	jerseydasmrc.exe	jerseydasmrc.exe
PID 2500 wrote to memory of 4084	2500	jerseydasmrc.exe	jerseydasmrc.exe
PID 2500 wrote to memory of 4084	2500	jerseydasmrc.exe	jerseydasmrc.exe

C:\Users\Admin\AppData\Local\Temp\749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1.exe
"C:\Users\Admin\AppData\Local\Temp\749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4464

C:\Users\Admin\AppData\Local\Temp\749a6b26a4fb6028b2503e4cd337752a48a335b564ca32c5e33b848827004ca1.exe
--46dde049
2⤵
- Suspicious behavior: RenamesItself
PID:4440

C:\Windows\SysWOW64\jerseydasmrc.exe
"C:\Windows\SysWOW64\jerseydasmrc.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2500

C:\Windows\SysWOW64\jerseydasmrc.exe
--56f9310a
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:4084

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4084-137-0x0000000000000000-mapping.dmp

Download
memory/4084-139-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4084-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4440-133-0x0000000000000000-mapping.dmp

Download
memory/4440-136-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4440-138-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4464-132-0x0000000002190000-0x00000000021AB000-memory.dmp

Filesize
108KB

Download
memory/4464-134-0x0000000002190000-0x00000000021AB000-memory.dmp

Filesize
108KB

Download
memory/4464-135-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download