emotet | b32d779478ff4441b049ff17031d47616ac04d6998d6ea4c9a996da50a36737f

General

Target

Invoice# 55452732.doc
Size

519.3MB
MD5

2c2dcdefb1ec0181096120afd23c046c
SHA1

9f150a690e4dd441f2e0bae572f89a868bdc2729
SHA256

4659836caf431739d1daf83bed991743fdb150110911fa629a65ea53382d72d3
SHA512

4a34acadebde1c0d84033a87179d7414f06e8d9742bce351845acab22a7d80df33502e610c966f1f9a1ad7b158b54e8ff731fe24aec334c084216b62a7382f06
SSDEEP

3072:2JX29m8QBUoItA/leC6gSJ+2JiclnUOvrRxqmLcHeNJxPkdVdTRcDK6:2EmleC6gSJWclU0RxVLcHe5cdTR

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	2484	4504	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

2484 regsvr32.exe
2996 regsvr32.exe

pid	process
2484	regsvr32.exe
2996	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\rkPlUsfeXGJLQzQ.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\MrvePfcNOiAcAa\\rkPlUsfeXGJLQzQ.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Script User-Agent 5 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	23	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	25	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	29	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	31	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	34	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4504 WINWORD.EXE
4504 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

2484 regsvr32.exe
2484 regsvr32.exe
2996 regsvr32.exe
2996 regsvr32.exe
2996 regsvr32.exe
2996 regsvr32.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

WINWORD.EXE

pid process

4504 WINWORD.EXE
4504 WINWORD.EXE
4504 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4504 WINWORD.EXE
4504 WINWORD.EXE
4504 WINWORD.EXE
4504 WINWORD.EXE
4504 WINWORD.EXE
4504 WINWORD.EXE
4504 WINWORD.EXE
4504 WINWORD.EXE

pid	process
4504	WINWORD.EXE
4504	WINWORD.EXE

pid	process
2484	regsvr32.exe
2484	regsvr32.exe
2996	regsvr32.exe
2996	regsvr32.exe
2996	regsvr32.exe
2996	regsvr32.exe

pid	process
4504	WINWORD.EXE
4504	WINWORD.EXE
4504	WINWORD.EXE

pid	process
4504	WINWORD.EXE
4504	WINWORD.EXE
4504	WINWORD.EXE
4504	WINWORD.EXE
4504	WINWORD.EXE
4504	WINWORD.EXE
4504	WINWORD.EXE
4504	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 4504 wrote to memory of 2484	4504	WINWORD.EXE	regsvr32.exe
PID 4504 wrote to memory of 2484	4504	WINWORD.EXE	regsvr32.exe
PID 2484 wrote to memory of 2996	2484	regsvr32.exe	regsvr32.exe
PID 2484 wrote to memory of 2996	2484	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\Invoice# 55452732.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:4504

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\105950.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2484

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\MrvePfcNOiAcAa\rkPlUsfeXGJLQzQ.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:2996

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\105950.tmp

Filesize
527.5MB

MD5
d4d306a6d9d1ae637e0cfacf04f7431a

SHA1
68b7fb0aa0d65569aa62937620f58a50bd3e9fdd

SHA256
a6e1b44ccb61a67b8e16ddc67eccacdd4b9b31a9de1fd048793c5c46b22337e2

SHA512
d473a2c746eba2b0add8252f5d44eca39b5a862978de80bc8e0d83f3adfee4601f21bcba3f63caa4fda02fc4c79cae704ac0905f4c938af8abbc2381332f682c

Download Submit
C:\Users\Admin\AppData\Local\Temp\105950.tmp

Filesize
527.5MB

MD5
d4d306a6d9d1ae637e0cfacf04f7431a

SHA1
68b7fb0aa0d65569aa62937620f58a50bd3e9fdd

SHA256
a6e1b44ccb61a67b8e16ddc67eccacdd4b9b31a9de1fd048793c5c46b22337e2

SHA512
d473a2c746eba2b0add8252f5d44eca39b5a862978de80bc8e0d83f3adfee4601f21bcba3f63caa4fda02fc4c79cae704ac0905f4c938af8abbc2381332f682c

Download Submit
C:\Users\Admin\AppData\Local\Temp\105953.zip

Filesize
821KB

MD5
f1ec7bd22e219fdb389f5e2a0a8132df

SHA1
fe8cf0aa2da1a147024c82ac45989795e5b467e0

SHA256
8582757782e4048ba84898de0953c7c9710d84c2e764d1fca8b1d393c436dbc8

SHA512
2b77027da8f0811f7cfc3735e579c4fd7e3506d85fa78ad667e88bd43dc0ab376d2b8b0c6aab3d35678810a9ee6e589b93d60aa481239ad3acf91cadc88f4969

Download Submit
C:\Windows\System32\MrvePfcNOiAcAa\rkPlUsfeXGJLQzQ.dll

Filesize
527.5MB

MD5
d4d306a6d9d1ae637e0cfacf04f7431a

SHA1
68b7fb0aa0d65569aa62937620f58a50bd3e9fdd

SHA256
a6e1b44ccb61a67b8e16ddc67eccacdd4b9b31a9de1fd048793c5c46b22337e2

SHA512
d473a2c746eba2b0add8252f5d44eca39b5a862978de80bc8e0d83f3adfee4601f21bcba3f63caa4fda02fc4c79cae704ac0905f4c938af8abbc2381332f682c

Download Submit
memory/2484-179-0x0000000180000000-0x000000018002D000-memory.dmp

Filesize
180KB

Download
memory/2484-182-0x0000000001040000-0x0000000001041000-memory.dmp

Filesize
4KB

Download
memory/4504-136-0x00007FF7E3BB0000-0x00007FF7E3BC0000-memory.dmp

Filesize
64KB

Download
memory/4504-137-0x00007FF7E3BB0000-0x00007FF7E3BC0000-memory.dmp

Filesize
64KB

Download
memory/4504-135-0x00007FF7E3BB0000-0x00007FF7E3BC0000-memory.dmp

Filesize
64KB

Download
memory/4504-134-0x00007FF7E3BB0000-0x00007FF7E3BC0000-memory.dmp

Filesize
64KB

Download
memory/4504-139-0x00007FF7E1AC0000-0x00007FF7E1AD0000-memory.dmp

Filesize
64KB

Download
memory/4504-138-0x00007FF7E1AC0000-0x00007FF7E1AD0000-memory.dmp

Filesize
64KB

Download
memory/4504-133-0x00007FF7E3BB0000-0x00007FF7E3BC0000-memory.dmp

Filesize
64KB

Download
memory/4504-207-0x00007FF7E3BB0000-0x00007FF7E3BC0000-memory.dmp

Filesize
64KB

Download
memory/4504-206-0x00007FF7E3BB0000-0x00007FF7E3BC0000-memory.dmp

Filesize
64KB

Download
memory/4504-208-0x00007FF7E3BB0000-0x00007FF7E3BC0000-memory.dmp

Filesize
64KB

Download
memory/4504-209-0x00007FF7E3BB0000-0x00007FF7E3BC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads