emotet | a13b394e4017c0c77faf4fab6c3aea4de3443f11610cc85a1d677249b9b2bc3a

General

Target

2023-03-08_1344.doc
Size

531.3MB
MD5

c94b346a8cd79d18355ca7496c244bd2
SHA1

1500305a5d96eb6944b890a776beaabd49b3382a
SHA256

a13b394e4017c0c77faf4fab6c3aea4de3443f11610cc85a1d677249b9b2bc3a
SHA512

b1392f8a7a849b1c7095a210c4b9213c165fe693eece7929e67735b34ce684feea9123e09716e5df8ec10e8cf4488049b1d37596d46f90da3ec971dbe9ea0baf
SSDEEP

6144:xPn4VZXbatu7MDogsDkHS50LdfcGcbz1f5M9KTFrMpSlMK3Ru+Q28:xP4PbNMkgg3Ru+x

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

129.232.188.93:443

164.90.222.65:443

159.65.88.10:8080

172.105.226.75:8080

115.68.227.76:8080

187.63.160.88:80

169.57.156.166:8080

185.4.135.165:8080

153.126.146.25:7080

197.242.150.244:8080

139.59.126.41:443

186.194.240.217:443

103.132.242.26:8080

206.189.28.199:8080

163.44.196.120:8080

95.217.221.146:8080

159.89.202.34:443

119.59.103.152:8080

183.111.227.137:8080

201.94.166.162:443

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.

Processes:

regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	4344	1864	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 3 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

4344 regsvr32.exe
720 regsvr32.exe
720 regsvr32.exe

pid	process
4344	regsvr32.exe
720	regsvr32.exe
720	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

Processes:

WINWORD.EXE

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

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

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 45 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1864 WINWORD.EXE
1864 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

4344 regsvr32.exe
4344 regsvr32.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

WINWORD.EXE

pid process

1864 WINWORD.EXE
1864 WINWORD.EXE
1864 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

1864 WINWORD.EXE
1864 WINWORD.EXE
1864 WINWORD.EXE
1864 WINWORD.EXE
1864 WINWORD.EXE
1864 WINWORD.EXE
1864 WINWORD.EXE
1864 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	45	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
1864	WINWORD.EXE
1864	WINWORD.EXE

pid	process
4344	regsvr32.exe
4344	regsvr32.exe

pid	process
1864	WINWORD.EXE
1864	WINWORD.EXE
1864	WINWORD.EXE

pid	process
1864	WINWORD.EXE
1864	WINWORD.EXE
1864	WINWORD.EXE
1864	WINWORD.EXE
1864	WINWORD.EXE
1864	WINWORD.EXE
1864	WINWORD.EXE
1864	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 1864 wrote to memory of 4344	1864	WINWORD.EXE	regsvr32.exe
PID 1864 wrote to memory of 4344	1864	WINWORD.EXE	regsvr32.exe
PID 4344 wrote to memory of 720	4344	regsvr32.exe	regsvr32.exe
PID 4344 wrote to memory of 720	4344	regsvr32.exe	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2023-03-08_1344.doc" /o ""
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:1864

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\064728.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4344

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CpVCKWcHIirbOH\TyRlZjIw.dll"
3⤵
- Loads dropped DLL
PID:720

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\064728.tmp

Filesize
543.7MB

MD5
1cd2550e072ec2792339b133005549ed

SHA1
c2839a8bc63517bcee9ec16a222690e0f8aa3a74

SHA256
af9f8a5c3e4edb4798c25b6fe3e41eeba5d4a41782dbf81a7ba5b3a93652a02a

SHA512
e77442d144cad2635a3078a5359b24d9febc164fdfb6424cff5b4d02775ece2df3bdf6575170a9eec9b1d3ce22370efb726c9c611db86fac8d530ce2e9a7903e

Download Submit
C:\Users\Admin\AppData\Local\Temp\064728.tmp

Filesize
543.7MB

MD5
1cd2550e072ec2792339b133005549ed

SHA1
c2839a8bc63517bcee9ec16a222690e0f8aa3a74

SHA256
af9f8a5c3e4edb4798c25b6fe3e41eeba5d4a41782dbf81a7ba5b3a93652a02a

SHA512
e77442d144cad2635a3078a5359b24d9febc164fdfb6424cff5b4d02775ece2df3bdf6575170a9eec9b1d3ce22370efb726c9c611db86fac8d530ce2e9a7903e

Download Submit
C:\Users\Admin\AppData\Local\Temp\064730.zip

Filesize
867KB

MD5
6c839d892fef2f37d973ca28ce5e7a3b

SHA1
175ee07dc770ad81455d1f95152f1ae07e875e0e

SHA256
b2f19314b692f584203e6711e8d54f32b91a7864adbd203a4eaf6785042d47d9

SHA512
18a1ffa1876554a0e7716cbe5d77ce26a373aeb16992986bb8baaece2af502b576d7001a4271ceda09cec6fbbe750c06c8d40d4449ff8b52d01a924a49462af7

Download Submit
C:\Windows\System32\CpVCKWcHIirbOH\TyRlZjIw.dll

Filesize
543.7MB

MD5
1cd2550e072ec2792339b133005549ed

SHA1
c2839a8bc63517bcee9ec16a222690e0f8aa3a74

SHA256
af9f8a5c3e4edb4798c25b6fe3e41eeba5d4a41782dbf81a7ba5b3a93652a02a

SHA512
e77442d144cad2635a3078a5359b24d9febc164fdfb6424cff5b4d02775ece2df3bdf6575170a9eec9b1d3ce22370efb726c9c611db86fac8d530ce2e9a7903e

Download Submit
C:\Windows\System32\CpVCKWcHIirbOH\TyRlZjIw.dll

Filesize
543.7MB

MD5
1cd2550e072ec2792339b133005549ed

SHA1
c2839a8bc63517bcee9ec16a222690e0f8aa3a74

SHA256
af9f8a5c3e4edb4798c25b6fe3e41eeba5d4a41782dbf81a7ba5b3a93652a02a

SHA512
e77442d144cad2635a3078a5359b24d9febc164fdfb6424cff5b4d02775ece2df3bdf6575170a9eec9b1d3ce22370efb726c9c611db86fac8d530ce2e9a7903e

Download Submit
memory/720-191-0x0000000001E80000-0x0000000001F41000-memory.dmp

Filesize
772KB

Download
memory/720-185-0x0000000001E80000-0x0000000001F41000-memory.dmp

Filesize
772KB

Download
memory/1864-133-0x00007FFB42DD0000-0x00007FFB42DE0000-memory.dmp

Filesize
64KB

Download
memory/1864-137-0x00007FFB42DD0000-0x00007FFB42DE0000-memory.dmp

Filesize
64KB

Download
memory/1864-136-0x00007FFB42DD0000-0x00007FFB42DE0000-memory.dmp

Filesize
64KB

Download
memory/1864-134-0x00007FFB42DD0000-0x00007FFB42DE0000-memory.dmp

Filesize
64KB

Download
memory/1864-138-0x00007FFB40510000-0x00007FFB40520000-memory.dmp

Filesize
64KB

Download
memory/1864-135-0x00007FFB42DD0000-0x00007FFB42DE0000-memory.dmp

Filesize
64KB

Download
memory/1864-139-0x00007FFB40510000-0x00007FFB40520000-memory.dmp

Filesize
64KB

Download
memory/1864-219-0x00007FFB42DD0000-0x00007FFB42DE0000-memory.dmp

Filesize
64KB

Download
memory/1864-221-0x00007FFB42DD0000-0x00007FFB42DE0000-memory.dmp

Filesize
64KB

Download
memory/1864-220-0x00007FFB42DD0000-0x00007FFB42DE0000-memory.dmp

Filesize
64KB

Download
memory/1864-222-0x00007FFB42DD0000-0x00007FFB42DE0000-memory.dmp

Filesize
64KB

Download
memory/4344-174-0x0000000180000000-0x000000018002D000-memory.dmp

Filesize
180KB

Download
memory/4344-177-0x0000000001490000-0x0000000001491000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads