emotet | 0237af2bd1ef3018de71733ea25d3325714da019b2c76921dcf874960b92c832

Analysis

max time kernel
145s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
10/11/2022, 11:31

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General

Target
0237af2bd1ef3018de71733ea25d3325714da019b2c76921dcf874960b92c832.xls
Size 91KB
Sample221110-nm55dabdap
SHA256 0237af2bd1ef3018de71733ea25d3325714da019b2c76921dcf874960b92c832
MD5 5ff95db6e07921ff8d48ee8874c9ac23
SHA1 04080bb7d48d8c8fa82bdcb377cd4d6274a73b39
SHA512 01654daf62f1cfc88cb73218ab5f08a078ef086effbbe050bd9df197ba77d77843c8e144ca98a2f6e12221fa823748ce71d9cb24bd310b0f5a887782f59bcef1
SSDEEP 1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/is9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgm
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

emotet epoch5 banker persistence trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
https://bosny.com/aspnet_client/R50QIOGjmvVlr/
xlm40.dropper
http://navylin.com/autopoisonous/4fZQW/
xlm40.dropper
http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/
xlm40.dropper
http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/

Extracted

Family

emotet

Botnet

Epoch5

202.28.34.99:8080
80.211.107.116:8080
175.126.176.79:8080
218.38.121.17:443
139.196.72.155:8080
103.71.99.57:8080
87.106.97.83:7080
178.62.112.199:8080
64.227.55.231:8080
46.101.98.60:8080
54.37.228.122:443
128.199.217.206:443
190.145.8.4:443
209.239.112.82:8080
85.214.67.203:8080
198.199.70.22:8080
128.199.242.164:8080
178.238.225.252:8080
103.85.95.4:8080
103.126.216.86:443
104.244.79.94:443
36.67.23.59:443
37.44.244.177:8080
160.16.143.191:8080
85.25.120.45:8080
103.56.149.105:8080
210.57.209.142:8080
195.77.239.39:8080
62.171.178.147:8080
118.98.72.86:443
103.224.241.74:8080
185.148.169.10:8080
103.41.204.169:8080
186.250.48.5:443
165.22.254.236:8080
93.104.209.107:8080
139.59.80.108:8080
196.44.98.190:8080
114.79.130.68:443
115.178.55.22:80
103.254.12.236:7080
172.105.115.71:8080
174.138.33.49:7080
51.75.33.122:443
83.229.80.93:8080
78.47.204.80:443
188.165.79.151:443
202.134.4.210:7080
82.98.180.154:7080

eck1.plain

ecs1.plain

Signatures

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

Process spawned unexpected child process 4 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3720	2696	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4664	2696	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4808	2696	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4452	2696	regsvr32.exe	65

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3720	regsvr32.exe
4664	regsvr32.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xRjVEZltSuRPsbU.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\ZmliwhUFnrAH\\xRjVEZltSuRPsbU.dll\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\oWelhf.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\JgQyO\\oWelhf.dll\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2696	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3720	regsvr32.exe
3720	regsvr32.exe
4796	regsvr32.exe
4796	regsvr32.exe
4796	regsvr32.exe
4796	regsvr32.exe
4664	regsvr32.exe
4664	regsvr32.exe
3792	regsvr32.exe
3792	regsvr32.exe
3792	regsvr32.exe
3792	regsvr32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2696	EXCEL.EXE
2696	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE
2696	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 3720	2696	EXCEL.EXE	69
PID 2696 wrote to memory of 3720	2696	EXCEL.EXE	69
PID 3720 wrote to memory of 4796	3720	regsvr32.exe	70
PID 3720 wrote to memory of 4796	3720	regsvr32.exe	70
PID 2696 wrote to memory of 4664	2696	EXCEL.EXE	71
PID 2696 wrote to memory of 4664	2696	EXCEL.EXE	71
PID 4664 wrote to memory of 3792	4664	regsvr32.exe	72
PID 4664 wrote to memory of 3792	4664	regsvr32.exe	72
PID 2696 wrote to memory of 4808	2696	EXCEL.EXE	73
PID 2696 wrote to memory of 4808	2696	EXCEL.EXE	73
PID 2696 wrote to memory of 4452	2696	EXCEL.EXE	74
PID 2696 wrote to memory of 4452	2696	EXCEL.EXE	74

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0237af2bd1ef3018de71733ea25d3325714da019b2c76921dcf874960b92c832.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3720
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\JgQyO\oWelhf.dll"
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:4796
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4664
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\ZmliwhUFnrAH\xRjVEZltSuRPsbU.dll"
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:3792
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:4808
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:4452

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

elv1.ooocccxxx

Path C:\Users\Admin\elv1.ooocccxxx
Size 621KB
SHA256 4585ee59cc746b9b80d71498656fe4c73a15fa4bac29c47dfec1b70d4f3800fd
MD5 310bb4db6ea1f5e22a0653fc06132c84
SHA1 137e7c2f45de46a1ec479fcd72084732b7c40587
SHA512 79e3e48e326ca687d390d61fd33a34678bfbd3f78177d995dd22152f1f24dada6e75b5be9f1aa31c45a7940a03c015a62dc7aa0cc7d3e19c946b5098f8eb39de
SSDEEP 6144:S6/ptuaN+qWUILr1HRf/9Mu1vHLI7U9XWiMgQ30/bP/09Xls9HV6MExbnyDAzlsH:S6/ptu/qerXtU7U9X3ZWYobyDAzl+
MD5 SHA1 SHA512 SSDEEP

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elv2.ooocccxxx

Path C:\Users\Admin\elv2.ooocccxxx
Size 621KB
SHA256 c9ff515bfd4139209f35ac390514003bdeb6e397c2593679eace686e668d9c08
MD5 c9c7870b5ecef7882710031681e332b9
SHA1 93162a471eac97b27bfd4ed6c885dc4878dfc1e2
SHA512 7847923ffa5202abefdcd22c125cdae5742269c3d3073c2c9fd74bc4f00db0053fb680cf649ab2910c5510fe043d5e3f030b1792a5050e452d9ac365270738ac
SSDEEP 6144:S6/ptuaN+qWUILr1HRf/9Mu1vHLI7U9XWiKgQ30/bP/09Xls9HV6MExbnyDAzlsH:S6/ptu/qerXtU7U9X9ZWYobyDAzl+
MD5 SHA1 SHA512 SSDEEP

Submit Download

elv1.ooocccxxx

Path \Users\Admin\elv1.ooocccxxx
Size 621KB
SHA256 4585ee59cc746b9b80d71498656fe4c73a15fa4bac29c47dfec1b70d4f3800fd
MD5 310bb4db6ea1f5e22a0653fc06132c84
SHA1 137e7c2f45de46a1ec479fcd72084732b7c40587
SHA512 79e3e48e326ca687d390d61fd33a34678bfbd3f78177d995dd22152f1f24dada6e75b5be9f1aa31c45a7940a03c015a62dc7aa0cc7d3e19c946b5098f8eb39de
SSDEEP 6144:S6/ptuaN+qWUILr1HRf/9Mu1vHLI7U9XWiMgQ30/bP/09Xls9HV6MExbnyDAzlsH:S6/ptu/qerXtU7U9X3ZWYobyDAzl+
MD5 SHA1 SHA512 SSDEEP

Submit Download

elv2.ooocccxxx

Path \Users\Admin\elv2.ooocccxxx
Size 621KB
SHA256 c9ff515bfd4139209f35ac390514003bdeb6e397c2593679eace686e668d9c08
MD5 c9c7870b5ecef7882710031681e332b9
SHA1 93162a471eac97b27bfd4ed6c885dc4878dfc1e2
SHA512 7847923ffa5202abefdcd22c125cdae5742269c3d3073c2c9fd74bc4f00db0053fb680cf649ab2910c5510fe043d5e3f030b1792a5050e452d9ac365270738ac
SSDEEP 6144:S6/ptuaN+qWUILr1HRf/9Mu1vHLI7U9XWiKgQ30/bP/09Xls9HV6MExbnyDAzlsH:S6/ptu/qerXtU7U9X9ZWYobyDAzl+
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2696-121-0x00007FFAA2650000-0x00007FFAA2660000-memory.dmp

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memory/2696-132-0x00007FFA9F090000-0x00007FFA9F0A0000-memory.dmp

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memory/2696-133-0x00007FFA9F090000-0x00007FFA9F0A0000-memory.dmp

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memory/2696-123-0x00007FFAA2650000-0x00007FFAA2660000-memory.dmp

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memory/2696-122-0x00007FFAA2650000-0x00007FFAA2660000-memory.dmp

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memory/2696-120-0x00007FFAA2650000-0x00007FFAA2660000-memory.dmp

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memory/4796-272-0x0000000000DD0000-0x0000000000DFE000-memory.dmp

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