emotet | ec525c39ad25d59ac4ac1f1de75dca892bfda29514701e4bf109f00894895fa5

Analysis

max time kernel
151s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
30/03/2022, 17:53

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General

Target
fe2a9d4621515735d8ea3ad7b4b7dad8.xls
Size 106KB
Sample220330-wf94rabdar
SHA256 ec525c39ad25d59ac4ac1f1de75dca892bfda29514701e4bf109f00894895fa5
MD5 fe2a9d4621515735d8ea3ad7b4b7dad8
SHA1 54bdbfce7ad1ee79ca7556e74956e8cfbd21ce2e
SHA512 bfa5eedc0460839ae481bcc8401dcf73f742dc96c6a716c11f3bcdcb77d108ec7b211db171f59b025030667dcd14112be3500eefd4d8b1666154e8db59960825
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
https://www.gessersh.com/wp-includes/ZwQLepW/
xlm40.dropper
http://www.garantihaliyikama.com/wp-admin/FjgB6I/

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	4932	1660	regsvr32.exe	78

suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata
Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
4932	regsvr32.exe
3088	regsvr32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Wmzmgz\yihlkm.qyo	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
1660	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3088	regsvr32.exe
3088	regsvr32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1660	EXCEL.EXE
1660	EXCEL.EXE
1660	EXCEL.EXE
1660	EXCEL.EXE
1660	EXCEL.EXE
1660	EXCEL.EXE
1660	EXCEL.EXE
1660	EXCEL.EXE
1660	EXCEL.EXE
1660	EXCEL.EXE
1660	EXCEL.EXE
1660	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 4932	1660	EXCEL.EXE	89
PID 1660 wrote to memory of 4932	1660	EXCEL.EXE	89
PID 1660 wrote to memory of 4932	1660	EXCEL.EXE	89
PID 4932 wrote to memory of 3088	4932	regsvr32.exe	90
PID 4932 wrote to memory of 3088	4932	regsvr32.exe	90
PID 4932 wrote to memory of 3088	4932	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\fe2a9d4621515735d8ea3ad7b4b7dad8.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1660
- 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:4932
- - C:\Windows\SysWOW64\regsvr32.exe
    C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Wmzmgz\yihlkm.qyo"
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:3088

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

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Downloads

urtj.dll

Path C:\Users\Admin\urtj.dll
Size 431KB
SHA256 eb4ec8145dbb74787690403429cd88c0cd6901e93b4a4054560a58502e2605dd
MD5 04dfbe9e4ba4b298bb849f33cf3f19c3
SHA1 a87363f7d53fdc5993f4523a9f2783ae77f384ae
SHA512 ef9df41e30a89c65b7d449a6c3c6c3129bce978c40587e30e63c6765351dceff1e17c1ca20920d5f2804ef00843ffed33a4feab61b7361f12ea270bc7b855a47
MD5 SHA1 SHA512

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urtj.dll

Path C:\Users\Admin\urtj.dll
Size 431KB
SHA256 eb4ec8145dbb74787690403429cd88c0cd6901e93b4a4054560a58502e2605dd
MD5 04dfbe9e4ba4b298bb849f33cf3f19c3
SHA1 a87363f7d53fdc5993f4523a9f2783ae77f384ae
SHA512 ef9df41e30a89c65b7d449a6c3c6c3129bce978c40587e30e63c6765351dceff1e17c1ca20920d5f2804ef00843ffed33a4feab61b7361f12ea270bc7b855a47
MD5 SHA1 SHA512

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yihlkm.qyo

Path C:\Windows\SysWOW64\Wmzmgz\yihlkm.qyo
Size 431KB
SHA256 eb4ec8145dbb74787690403429cd88c0cd6901e93b4a4054560a58502e2605dd
MD5 04dfbe9e4ba4b298bb849f33cf3f19c3
SHA1 a87363f7d53fdc5993f4523a9f2783ae77f384ae
SHA512 ef9df41e30a89c65b7d449a6c3c6c3129bce978c40587e30e63c6765351dceff1e17c1ca20920d5f2804ef00843ffed33a4feab61b7361f12ea270bc7b855a47
MD5 SHA1 SHA512

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memory/1660-130-0x00007FFF598D0000-0x00007FFF598E0000-memory.dmp

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memory/1660-131-0x00007FFF598D0000-0x00007FFF598E0000-memory.dmp

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memory/1660-132-0x00007FFF598D0000-0x00007FFF598E0000-memory.dmp

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memory/1660-133-0x00007FFF598D0000-0x00007FFF598E0000-memory.dmp

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memory/1660-134-0x00007FFF598D0000-0x00007FFF598E0000-memory.dmp

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memory/3088-143-0x0000000001120000-0x0000000001144000-memory.dmp

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memory/4932-138-0x0000000000930000-0x0000000000954000-memory.dmp

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