emotet | 1117723fb0e69638b4a42acedec1a6910e5eae658f477318dcbf4023b8ae2c3a

General

Target

2023-03-09_1453.doc
Size

502.2MB
MD5

e900c3af9d5f39384927ee16d7443877
SHA1

258407027dc5b785f78f8a3a0962d830e03bc97d
SHA256

1117723fb0e69638b4a42acedec1a6910e5eae658f477318dcbf4023b8ae2c3a
SHA512

484cd18732647108856dfeebe3d1b82abb19dc83a25e250fbd87a054a036337337682f81e4aa6797cc723f148486b1c5c55b075b2656e8fda334e616c4cc7709
SSDEEP

3072:vpt3LDPYvrTr3jvZNWGBStinoLVMcXyHtt5YC7EGIuGEMYDDK6:H3AvrTPRUGpmpXqWCoGIuGEMY

Score

10^/10

emotet epoch4 banker persistence trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

164.68.99.3:8080

164.90.222.65:443

186.194.240.217:443

1.234.2.232:8080

103.75.201.2:443

187.63.160.88:80

147.139.166.154:8080

91.207.28.33:8080

5.135.159.50:443

153.92.5.27:8080

213.239.212.5:443

103.43.75.120:443

159.65.88.10:8080

167.172.253.162:8080

153.126.146.25:7080

119.59.103.152:8080

107.170.39.149:8080

183.111.227.137:8080

159.89.202.34:443

110.232.117.186:8080

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	2164	5108	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

2164 regsvr32.exe
1872 regsvr32.exe

pid	process
2164	regsvr32.exe
1872	regsvr32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mcKoCXngsA.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\VfyWesaXuRAvxW\\mcKoCXngsA.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

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

5108 WINWORD.EXE
5108 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

2164 regsvr32.exe
2164 regsvr32.exe
1872 regsvr32.exe
1872 regsvr32.exe
1872 regsvr32.exe
1872 regsvr32.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

WINWORD.EXE

pid process

5108 WINWORD.EXE
5108 WINWORD.EXE
5108 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

5108 WINWORD.EXE
5108 WINWORD.EXE
5108 WINWORD.EXE
5108 WINWORD.EXE
5108 WINWORD.EXE
5108 WINWORD.EXE
5108 WINWORD.EXE
5108 WINWORD.EXE

pid	process
5108	WINWORD.EXE
5108	WINWORD.EXE

pid	process
2164	regsvr32.exe
2164	regsvr32.exe
1872	regsvr32.exe
1872	regsvr32.exe
1872	regsvr32.exe
1872	regsvr32.exe

pid	process
5108	WINWORD.EXE
5108	WINWORD.EXE
5108	WINWORD.EXE

pid	process
5108	WINWORD.EXE
5108	WINWORD.EXE
5108	WINWORD.EXE
5108	WINWORD.EXE
5108	WINWORD.EXE
5108	WINWORD.EXE
5108	WINWORD.EXE
5108	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 5108 wrote to memory of 2164	5108	WINWORD.EXE	regsvr32.exe
PID 5108 wrote to memory of 2164	5108	WINWORD.EXE	regsvr32.exe
PID 2164 wrote to memory of 1872	2164	regsvr32.exe	regsvr32.exe
PID 2164 wrote to memory of 1872	2164	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\2023-03-09_1453.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:5108

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\055101.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2164

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\VfyWesaXuRAvxW\mcKoCXngsA.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:1872

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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\055101.tmp

Filesize
511.5MB

MD5
9b2ac754d2a5e5dc71164d90ecc46c3d

SHA1
7744b3272ac4cc307f453b960e2eb89baf997fac

SHA256
e3d45b17330179eb9d79f7408eddc0def4e4e71161219220e245803dcc20ab0c

SHA512
3765a5f160a0e5253d6442e11f3869f4fb09a4ffb4b09afdd7ba5216e518d1ac94f49c4ac2492ab9e0fbd0cf21a4f71a8f8b52a55e45d164d1ef15ad385127d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\055101.tmp

Filesize
511.5MB

MD5
9b2ac754d2a5e5dc71164d90ecc46c3d

SHA1
7744b3272ac4cc307f453b960e2eb89baf997fac

SHA256
e3d45b17330179eb9d79f7408eddc0def4e4e71161219220e245803dcc20ab0c

SHA512
3765a5f160a0e5253d6442e11f3869f4fb09a4ffb4b09afdd7ba5216e518d1ac94f49c4ac2492ab9e0fbd0cf21a4f71a8f8b52a55e45d164d1ef15ad385127d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\055102.zip

Filesize
806KB

MD5
d5080c4b10eebf69186ccd42e9bf93e6

SHA1
934eb4aa64833623868374e153652ed0142f1dc0

SHA256
973bdbe52f8efd15bc938b6d3bb0a373ab170d819befd6924a4e04be50fc64f5

SHA512
03fae2b88ba73023626dae019bdd05a84ff0645c7aa81dc6cff7ce3bf2414150497ba318a07798610ae1046e7cb18fa2e4e2a28dd9c21fbea768cbc0cf0382b5

Download Submit
C:\Windows\System32\VfyWesaXuRAvxW\mcKoCXngsA.dll

Filesize
511.5MB

MD5
9b2ac754d2a5e5dc71164d90ecc46c3d

SHA1
7744b3272ac4cc307f453b960e2eb89baf997fac

SHA256
e3d45b17330179eb9d79f7408eddc0def4e4e71161219220e245803dcc20ab0c

SHA512
3765a5f160a0e5253d6442e11f3869f4fb09a4ffb4b09afdd7ba5216e518d1ac94f49c4ac2492ab9e0fbd0cf21a4f71a8f8b52a55e45d164d1ef15ad385127d7

Download Submit
memory/2164-187-0x0000000000D60000-0x0000000000D61000-memory.dmp

Filesize
4KB

Download
memory/2164-184-0x0000000180000000-0x000000018002D000-memory.dmp

Filesize
180KB

Download
memory/5108-138-0x00007FFCB3C70000-0x00007FFCB3C80000-memory.dmp

Filesize
64KB

Download
memory/5108-190-0x0000013C034C0000-0x0000013C034FB000-memory.dmp

Filesize
236KB

Download
memory/5108-169-0x0000013C034C0000-0x0000013C034FB000-memory.dmp

Filesize
236KB

Download
memory/5108-133-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/5108-137-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/5108-136-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/5108-135-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/5108-139-0x00007FFCB3C70000-0x00007FFCB3C80000-memory.dmp

Filesize
64KB

Download
memory/5108-134-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/5108-222-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/5108-223-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/5108-224-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/5108-225-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/5108-226-0x0000013C034C0000-0x0000013C034FB000-memory.dmp

Filesize
236KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads