emotet | df255945fce2890039998ccbd60ac62bbd5dd395a446e3725fc2a38fbd59de8c

Analysis

max time kernel
123s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
10/11/2022, 21:43

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General

Target
df255945fce2890039998ccbd60ac62bbd5dd395a446e3725fc2a38fbd59de8c.xls
Size 91KB
Sample221110-1lbwcseda4
SHA256 df255945fce2890039998ccbd60ac62bbd5dd395a446e3725fc2a38fbd59de8c
MD5 fb9525da0e3da9d11df5d3c251c0fb20
SHA1 6be5be2d5d5c3ec2a24a3d728cef7b935ab52a5a
SHA512 7f6c7e7268ceecc7039c8715beb2dc489557fc35f74ecddbc69979c63799c11df9552b01206decdb3c06609d2588cf7f764eea8ad348293b3b9d20304abab5be
SSDEEP 1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg4bCXuZH4gb4CEn9J4ZvrX:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgQ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

emotet epoch4 banker persistence trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
http://www.vinyz.com/cache/rqWV/
xlm40.dropper
http://yuanliao.raluking.com/1eq5o7/gHrTM8YilZz0quKt/

Extracted

Family

emotet

Botnet

Epoch4

185.4.135.165:8080
159.89.202.34:443
82.223.21.224:8080
187.63.160.88:80
188.44.20.25:443
91.187.140.35:8080
110.232.117.186:8080
197.242.150.244:8080
119.59.103.152:8080
182.162.143.56:443
72.15.201.15:8080
173.255.211.88:443
206.189.28.199:8080
94.23.45.86:4143
45.63.99.23:7080
153.126.146.25:7080
45.118.115.99:8080
115.68.227.76:8080
163.44.196.120:8080
159.65.140.115:443
169.57.156.166:8080
139.59.56.73:8080
183.111.227.137:8080
202.129.205.3:8080
103.43.75.120:443
45.176.232.124:443
186.194.240.217:443
173.212.193.249:8080
139.59.126.41:443
149.56.131.28:8080
159.65.88.10:8080
201.94.166.162:443
107.170.39.149:8080
103.75.201.2:443
103.132.242.26:8080
209.97.163.214:443
129.232.188.93:443
79.137.35.198:8080
101.50.0.91:8080
147.139.166.154:8080
160.16.142.56:8080
153.92.5.27:8080
167.172.199.165:8080
95.217.221.146:8080
167.172.253.162:8080
164.90.222.65:443
172.105.226.75:8080
164.68.99.3:8080
213.239.212.5:443
91.207.28.33:8080
45.235.8.30:8080
172.104.251.154:8080
5.135.159.50:443
212.24.98.99:8080
104.168.155.143:8080
1.234.2.232:8080

ecs1.plain

eck1.plain

Signatures

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

Process spawned unexpected child process 1 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	3944	2452	regsvr32.exe	65

Downloads MZ/PE file

Loads dropped DLL 1 IoCs

pid	Process
3944	regsvr32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EpxnPgCiZRQTN.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\GaEFweZlmhoiko\\EpxnPgCiZRQTN.dll\""	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\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2452	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3944	regsvr32.exe
3944	regsvr32.exe
4200	regsvr32.exe
4200	regsvr32.exe
4200	regsvr32.exe
4200	regsvr32.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 3944	2452	EXCEL.EXE	70
PID 2452 wrote to memory of 3944	2452	EXCEL.EXE	70
PID 3944 wrote to memory of 4200	3944	regsvr32.exe	71
PID 3944 wrote to memory of 4200	3944	regsvr32.exe	71

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\df255945fce2890039998ccbd60ac62bbd5dd395a446e3725fc2a38fbd59de8c.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2452
- 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:3944
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\GaEFweZlmhoiko\EpxnPgCiZRQTN.dll"
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:4200

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 595KB
SHA256 02a10d2c98e6c1b3008be63730b179550396ef7cb5f4a2a23ce8f06d4669f503
MD5 4a01bb5ba73a2246236a685ba587cfca
SHA1 080bcabac59be7f352053471d32a0e4513221da0
SHA512 92d8b5dd53e8202b5aae48a63e2367f52b6ca1d7f539470cb47565f8d68322f93aa0412bbadad1b70c64f703f5b55bacbf624b82bce4f1b140290f6cbe38e9df
SSDEEP 12288:QST8ek3+6ZIvp0p0tPEgBthNeYU5elGYpED+Hl6:Qjee+6evbtPEihGFYO
MD5 SHA1 SHA512 SSDEEP

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elv1.ooocccxxx

Path \Users\Admin\elv1.ooocccxxx
Size 595KB
SHA256 02a10d2c98e6c1b3008be63730b179550396ef7cb5f4a2a23ce8f06d4669f503
MD5 4a01bb5ba73a2246236a685ba587cfca
SHA1 080bcabac59be7f352053471d32a0e4513221da0
SHA512 92d8b5dd53e8202b5aae48a63e2367f52b6ca1d7f539470cb47565f8d68322f93aa0412bbadad1b70c64f703f5b55bacbf624b82bce4f1b140290f6cbe38e9df
SSDEEP 12288:QST8ek3+6ZIvp0p0tPEgBthNeYU5elGYpED+Hl6:Qjee+6evbtPEihGFYO
MD5 SHA1 SHA512 SSDEEP

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memory/2452-118-0x00007FF7E7C00000-0x00007FF7E7C10000-memory.dmp

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memory/2452-119-0x00007FF7E7C00000-0x00007FF7E7C10000-memory.dmp

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memory/2452-120-0x00007FF7E7C00000-0x00007FF7E7C10000-memory.dmp

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memory/2452-121-0x00007FF7E7C00000-0x00007FF7E7C10000-memory.dmp

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memory/2452-130-0x00007FF7E4140000-0x00007FF7E4150000-memory.dmp

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memory/2452-131-0x00007FF7E4140000-0x00007FF7E4150000-memory.dmp

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memory/4200-272-0x0000000001F20000-0x0000000001F50000-memory.dmp

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