emotet | 28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 18:17

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General

Target

28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450.exe
Size

185KB
MD5

7a1a90ea63cc1baa6da4a55b451b7fb2
SHA1

6f91cd31e50aae9a4023a2401da3403db42fe901
SHA256

28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450
SHA512

582f39b34461b84406a82e530b445557dce89762929ed8d2d6ad24b14c17e972b7a68177047c3dfdd3fef5d4e8d4ecd546ee19bec3f098206e22fea3f1910e52
SSDEEP

3072:c8ENSRg5KrR52iOG7jWXlnYNav5KLdIIPF4j5dFp:c8KSRg5KPHOGErRKL6Gc

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:

jobsmheg.exe

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

jobsmheg.exe

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

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

jobsmheg.exe

pid process

4300 jobsmheg.exe
4300 jobsmheg.exe
4300 jobsmheg.exe
4300 jobsmheg.exe
4300 jobsmheg.exe
4300 jobsmheg.exe
4300 jobsmheg.exe
4300 jobsmheg.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450.exe

pid process

5076 28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450.exe

pid	process
4300	jobsmheg.exe
4300	jobsmheg.exe
4300	jobsmheg.exe
4300	jobsmheg.exe
4300	jobsmheg.exe
4300	jobsmheg.exe
4300	jobsmheg.exe
4300	jobsmheg.exe

pid	process
5076	28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450.exejobsmheg.exe

description	pid	process	target process
PID 2244 wrote to memory of 5076	2244	28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450.exe	28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450.exe
PID 2244 wrote to memory of 5076	2244	28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450.exe	28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450.exe
PID 2244 wrote to memory of 5076	2244	28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450.exe	28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450.exe
PID 3596 wrote to memory of 4300	3596	jobsmheg.exe	jobsmheg.exe
PID 3596 wrote to memory of 4300	3596	jobsmheg.exe	jobsmheg.exe
PID 3596 wrote to memory of 4300	3596	jobsmheg.exe	jobsmheg.exe

C:\Users\Admin\AppData\Local\Temp\28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450.exe
"C:\Users\Admin\AppData\Local\Temp\28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2244

C:\Users\Admin\AppData\Local\Temp\28af9d9a3be71623d0094d2f0fcd40086c7c41c3ac7a6f8124ab79a36cc54450.exe
--6abbd869
2⤵
- Suspicious behavior: RenamesItself
PID:5076

C:\Windows\SysWOW64\jobsmheg.exe
"C:\Windows\SysWOW64\jobsmheg.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3596

C:\Windows\SysWOW64\jobsmheg.exe
--8afb90a5
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:4300

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/2244-132-0x00000000005F0000-0x0000000000601000-memory.dmp

Filesize
68KB

Download
memory/2244-133-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2244-134-0x00000000005F0000-0x0000000000601000-memory.dmp

Filesize
68KB

Download
memory/2244-135-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2244-138-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4300-139-0x0000000000000000-mapping.dmp

Download
memory/4300-141-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4300-142-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/5076-136-0x0000000000000000-mapping.dmp

Download
memory/5076-137-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/5076-140-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download