emotet | 7a2a02bb9b3690ebe9f89d845c510075854f69cbc02608db416305e9e48b524f

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 09:26

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General

Target

4a833f5dafe4b384b3f207f7c933950a.exe
Size

333KB
MD5

4a833f5dafe4b384b3f207f7c933950a
SHA1

7726af44a320ccd7d63405948b443c08e53ff028
SHA256

88c4555c52666bf2f6d274510885c3aa486fc3311b8b867038436aa3a0a364a5
SHA512

c4f02d83418755061ad660ad77c10bbac55261e5fdb96728f686bd976c28b92d884e295cb36821b29c9ba6ddf8b1a97ebb72db463059face770e887c97a63ef7
SSDEEP

6144:bSbWOHo9/nKS39iF089F4kfak52gTwNzO3FRluiJO9JAz0:bNnKSYV9F4KTwBO1R0sOHK

Score

10^/10

emotet epoch3 banker dave discovery trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

73.100.19.104:80

103.3.63.137:8080

188.166.220.180:7080

192.175.111.217:7080

91.83.93.103:443

94.212.52.40:80

190.191.171.72:80

24.231.51.190:80

113.161.148.81:80

46.105.131.68:8080

223.17.215.76:80

45.239.204.100:80

185.80.172.199:80

91.75.75.46:80

190.151.5.131:443

60.125.114.64:443

77.74.78.80:443

175.103.38.146:80

58.27.215.3:8080

91.213.106.100:8080

rsa_pubkey.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet
Emotet family
emotet

Emotet payload 5 IoCs

Detects Emotet payload in memory.

trojan banker

resource	yara_rule
behavioral16/memory/3500-4-0x00000000022C0000-0x00000000022DD000-memory.dmp	emotet
behavioral16/memory/3500-8-0x0000000002280000-0x000000000229C000-memory.dmp	emotet
behavioral16/memory/3500-0-0x00000000022A0000-0x00000000022BF000-memory.dmp	emotet
behavioral16/memory/116-10-0x0000000001FF0000-0x000000000200F000-memory.dmp	emotet
behavioral16/memory/116-14-0x00000000020A0000-0x00000000020BD000-memory.dmp	emotet

Dave packer 1 IoCs

Detects executable using a packer named 'Dave' by the community, based on a string at the end.

dave

resource	yara_rule
behavioral16/memory/3500-8-0x0000000002280000-0x000000000229C000-memory.dmp	dave

Executes dropped EXE 1 IoCs

pid	Process
116	ocsetapi.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\AUDIOKSE\ocsetapi.exe	4a833f5dafe4b384b3f207f7c933950a.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4a833f5dafe4b384b3f207f7c933950a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ocsetapi.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
116	ocsetapi.exe
116	ocsetapi.exe
116	ocsetapi.exe
116	ocsetapi.exe
116	ocsetapi.exe
116	ocsetapi.exe
116	ocsetapi.exe
116	ocsetapi.exe
116	ocsetapi.exe
116	ocsetapi.exe
116	ocsetapi.exe
116	ocsetapi.exe
116	ocsetapi.exe
116	ocsetapi.exe
116	ocsetapi.exe
116	ocsetapi.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3500	4a833f5dafe4b384b3f207f7c933950a.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3500	4a833f5dafe4b384b3f207f7c933950a.exe
116	ocsetapi.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 116	3500	4a833f5dafe4b384b3f207f7c933950a.exe	83
PID 3500 wrote to memory of 116	3500	4a833f5dafe4b384b3f207f7c933950a.exe	83
PID 3500 wrote to memory of 116	3500	4a833f5dafe4b384b3f207f7c933950a.exe	83

C:\Users\Admin\AppData\Local\Temp\4a833f5dafe4b384b3f207f7c933950a.exe
"C:\Users\Admin\AppData\Local\Temp\4a833f5dafe4b384b3f207f7c933950a.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Windows\SysWOW64\AUDIOKSE\ocsetapi.exe
  "C:\Windows\SysWOW64\AUDIOKSE\ocsetapi.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\AUDIOKSE\ocsetapi.exe

Filesize
333KB

MD5
4a833f5dafe4b384b3f207f7c933950a

SHA1
7726af44a320ccd7d63405948b443c08e53ff028

SHA256
88c4555c52666bf2f6d274510885c3aa486fc3311b8b867038436aa3a0a364a5

SHA512
c4f02d83418755061ad660ad77c10bbac55261e5fdb96728f686bd976c28b92d884e295cb36821b29c9ba6ddf8b1a97ebb72db463059face770e887c97a63ef7

Download Submit
memory/116-10-0x0000000001FF0000-0x000000000200F000-memory.dmp

Filesize
124KB

Download
memory/116-14-0x00000000020A0000-0x00000000020BD000-memory.dmp

Filesize
116KB

Download
memory/3500-4-0x00000000022C0000-0x00000000022DD000-memory.dmp

Filesize
116KB

Download
memory/3500-8-0x0000000002280000-0x000000000229C000-memory.dmp

Filesize
112KB

Download
memory/3500-0-0x00000000022A0000-0x00000000022BF000-memory.dmp

Filesize
124KB

Download
memory/3500-18-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download