emotet | 86fa5221f4897b379f0dc2cbdfeb1cc230c6fedcf6b9a5dcb290ec1bdc2d73da

Analysis

max time kernel
161s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
30/03/2022, 16:54

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General

Target
b3152ca137675b9b038ab7d57d616e90.xls
Size 106KB
Sample220330-vekl2aeef3
SHA256 86fa5221f4897b379f0dc2cbdfeb1cc230c6fedcf6b9a5dcb290ec1bdc2d73da
MD5 b3152ca137675b9b038ab7d57d616e90
SHA1 c1ced3d1b0dc83576ef9fa87828f2141f921f58b
SHA512 b84c39bab56efd5e73a84f89886d7e2e26333128e38a857606c01e38eeae8eb8e05193fd9eb96ede6817f572dde3a897e4984d408771b690c0d3610befdc6624
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
https://www.gessersh.com/wp-includes/ZwQLepW/

Extracted

Family

emotet

Botnet

Epoch4

45.176.232.125:443
138.197.109.175:8080
187.84.80.182:443
79.143.187.147:443
189.232.46.161:443
103.70.28.102:8080
134.122.66.193:8080
151.106.112.196:8080
160.16.142.56:8080
212.24.98.99:8080
188.44.20.25:443
197.242.150.244:8080
206.189.28.199:8080
172.104.251.154:8080
103.43.46.182:443
203.114.109.124:443
103.75.201.2:443
58.227.42.236:80
201.94.166.162:443
189.126.111.200:7080
185.8.212.130:7080
167.99.115.35:8080
129.232.188.93:443
1.234.2.232:8080
153.126.146.25:7080
185.157.82.211:8080
131.100.24.231:80
1.234.21.73:7080
192.99.251.50:443
119.193.124.41:7080
159.8.59.82:8080
158.69.222.101:443
51.254.140.238:7080
5.9.116.246:8080
45.176.232.124:443
159.65.88.10:8080
101.50.0.91:8080
107.182.225.142:8080
167.172.253.162:8080
79.172.212.216:8080
50.30.40.196:8080
196.218.30.83:443
51.91.7.5:8080
212.237.17.99:8080
72.15.201.15:8080
183.111.227.137:8080
51.91.76.89:8080
209.250.246.206:443
176.104.106.96:8080
46.55.222.11:443
209.126.98.206:8080
164.68.99.3:8080
176.56.128.118:443
103.132.242.26:8080
110.232.117.186:8080
146.59.226.45:443
173.212.193.249:8080
82.165.152.127:8080
45.118.115.99:8080
216.158.226.206:443

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 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	4888	1368	regsvr32.exe	78

Loads dropped DLL 2 IoCs

pid	Process
4888	regsvr32.exe
2544	regsvr32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Nqsrvocvo\wkurid.dyu	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1368	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2544	regsvr32.exe
2544	regsvr32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1368	EXCEL.EXE
1368	EXCEL.EXE
1368	EXCEL.EXE
1368	EXCEL.EXE
1368	EXCEL.EXE
1368	EXCEL.EXE
1368	EXCEL.EXE
1368	EXCEL.EXE
1368	EXCEL.EXE
1368	EXCEL.EXE
1368	EXCEL.EXE
1368	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 4888	1368	EXCEL.EXE	85
PID 1368 wrote to memory of 4888	1368	EXCEL.EXE	85
PID 1368 wrote to memory of 4888	1368	EXCEL.EXE	85
PID 4888 wrote to memory of 2544	4888	regsvr32.exe	90
PID 4888 wrote to memory of 2544	4888	regsvr32.exe	90
PID 4888 wrote to memory of 2544	4888	regsvr32.exe	90

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b3152ca137675b9b038ab7d57d616e90.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\urtj.dll
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4888
- - C:\Windows\SysWOW64\regsvr32.exe
    C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Nqsrvocvo\wkurid.dyu"
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:2544

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

urtj.dll

Path C:\Users\Admin\urtj.dll
Size 431KB
SHA256 04bdccd0274bbff31c378704adf470844e24477f1b7768229c27a33ac17bfd6f
MD5 305aa8a0b900795609db0d33f4b84e5b
SHA1 aa174b32abe3f67a513fa57072d8ce1de843ffd0
SHA512 3222333030351bf0c8116209e2b869c76020fdae500eb01c9899b986fb7bc834daa3b731926192f4320eb3e46418b706543555433fff55dbdac6115a90d4230b
MD5 SHA1 SHA512

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urtj.dll

Path C:\Users\Admin\urtj.dll
Size 431KB
SHA256 04bdccd0274bbff31c378704adf470844e24477f1b7768229c27a33ac17bfd6f
MD5 305aa8a0b900795609db0d33f4b84e5b
SHA1 aa174b32abe3f67a513fa57072d8ce1de843ffd0
SHA512 3222333030351bf0c8116209e2b869c76020fdae500eb01c9899b986fb7bc834daa3b731926192f4320eb3e46418b706543555433fff55dbdac6115a90d4230b
MD5 SHA1 SHA512

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wkurid.dyu

Path C:\Windows\SysWOW64\Nqsrvocvo\wkurid.dyu
Size 431KB
SHA256 04bdccd0274bbff31c378704adf470844e24477f1b7768229c27a33ac17bfd6f
MD5 305aa8a0b900795609db0d33f4b84e5b
SHA1 aa174b32abe3f67a513fa57072d8ce1de843ffd0
SHA512 3222333030351bf0c8116209e2b869c76020fdae500eb01c9899b986fb7bc834daa3b731926192f4320eb3e46418b706543555433fff55dbdac6115a90d4230b
MD5 SHA1 SHA512

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memory/1368-130-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

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memory/1368-131-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

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memory/1368-132-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

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memory/1368-133-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

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memory/1368-134-0x00007FFE621D0000-0x00007FFE621E0000-memory.dmp

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memory/2544-143-0x0000000002590000-0x00000000025B4000-memory.dmp

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memory/4888-138-0x0000000000840000-0x0000000000864000-memory.dmp

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