emotet | 1d23c6a88170ad513b2494ebe255cc56b82f3c49371b34dbc58bf98d84e9b289

General

Target

1d23c6a88170ad513b2494ebe255cc56b82f3c49371b34dbc58bf98d84e9b289.doc
Size

518.3MB
MD5

8363fefeb760d1b73db7c3d1e65bd3ea
SHA1

2c7783d93a3d557fa3533159f82b1acc1708444b
SHA256

1d23c6a88170ad513b2494ebe255cc56b82f3c49371b34dbc58bf98d84e9b289
SHA512

129481cb3464cf28f958988c76767870f65a5920faf94843de1d8032b0f5535e1810aae590d1ed60f1b7e155b704b7799df319e95b4dba9c7af35242b8a33363
SSDEEP

3072:+J3pNHNgsxBQnr/vMOoch7gMqR40vFdYDRORalW/Xdmku3Bh5H8NvdNHZy:+JVbQDMfqHofvfYlOR31mkuRhyNvdN

Score

10^/10

emotet epoch5 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch5

C2

103.85.95.4:8080

103.224.241.74:8080

178.238.225.252:8080

37.59.103.148:8080

78.47.204.80:443

138.197.14.67:8080

128.199.242.164:8080

54.37.228.122:443

37.44.244.177:8080

139.59.80.108:8080

218.38.121.17:443

82.98.180.154:7080

114.79.130.68:443

159.65.135.222:7080

174.138.33.49:7080

195.77.239.39:8080

193.194.92.175:443

198.199.70.22:8080

85.214.67.203:8080

93.84.115.205:7080

ecs1.plain

eck1.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	4296	2172	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

4296 regsvr32.exe

pid	process
4296	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\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

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

Processes:

description flow ioc

HTTP User-Agent header 7 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2172 WINWORD.EXE
2172 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

4296 regsvr32.exe
4296 regsvr32.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

WINWORD.EXE

pid process

2172 WINWORD.EXE
2172 WINWORD.EXE
2172 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

2172 WINWORD.EXE
2172 WINWORD.EXE
2172 WINWORD.EXE
2172 WINWORD.EXE
2172 WINWORD.EXE
2172 WINWORD.EXE
2172 WINWORD.EXE
2172 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	7	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
2172	WINWORD.EXE
2172	WINWORD.EXE

pid	process
4296	regsvr32.exe
4296	regsvr32.exe

pid	process
2172	WINWORD.EXE
2172	WINWORD.EXE
2172	WINWORD.EXE

pid	process
2172	WINWORD.EXE
2172	WINWORD.EXE
2172	WINWORD.EXE
2172	WINWORD.EXE
2172	WINWORD.EXE
2172	WINWORD.EXE
2172	WINWORD.EXE
2172	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 2172 wrote to memory of 4296	2172	WINWORD.EXE	regsvr32.exe
PID 2172 wrote to memory of 4296	2172	WINWORD.EXE	regsvr32.exe
PID 4296 wrote to memory of 676	4296	regsvr32.exe	regsvr32.exe
PID 4296 wrote to memory of 676	4296	regsvr32.exe	regsvr32.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

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\1d23c6a88170ad513b2494ebe255cc56b82f3c49371b34dbc58bf98d84e9b289.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:2172

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\153725.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4296

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\RImjaiEdkaR\AQHZcUy.dll"
3⤵
PID:676

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\153725.tmp
Filesize
541.5MB

MD5
77a45b550b5c42b08118fb7b5b79a1f7

SHA1
3e7b0cf9b3ac7636a47ee6955df097b415a4d965

SHA256
79b7777dd903b343a705206d190190830a1a23f4f5af03bb2cb423f0b6e50762

SHA512
86860a8ebcebc0baca973ebc763ee168ec75a49f1b58dbc285c19bc9899cc06cd4d5df3908a4f9f216ec408575c7af4199a2ed781a5055597f13e297e5e16d9a

Download Submit
C:\Users\Admin\AppData\Local\Temp\153726.zip
Filesize
848KB

MD5
b058ffa7bef4084dc2f34a61c43fd7c3

SHA1
57ce30401a37e69ea365c6571a1ff2f5c2da1a7c

SHA256
38182dc412661daa66573f60f9424ab8751a1a0e53c60267b6cc796109bb54dc

SHA512
fcfe77574bb1af4d04a7e8b6a8bae22dd38f9fc83482fc301bf023dad9c13cd6545fe9bc43ed2b8619dc495eb370821927e45aebecd8123bd87cf250c4ef1343

Download Submit
\Users\Admin\AppData\Local\Temp\153725.tmp
Filesize
541.5MB

MD5
77a45b550b5c42b08118fb7b5b79a1f7

SHA1
3e7b0cf9b3ac7636a47ee6955df097b415a4d965

SHA256
79b7777dd903b343a705206d190190830a1a23f4f5af03bb2cb423f0b6e50762

SHA512
86860a8ebcebc0baca973ebc763ee168ec75a49f1b58dbc285c19bc9899cc06cd4d5df3908a4f9f216ec408575c7af4199a2ed781a5055597f13e297e5e16d9a

Download Submit
memory/2172-124-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2172-127-0x00007FF7E8F10000-0x00007FF7E8F20000-memory.dmp

Filesize
64KB

Download
memory/2172-128-0x00007FF7E8F10000-0x00007FF7E8F20000-memory.dmp

Filesize
64KB

Download
memory/2172-123-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2172-122-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2172-121-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2172-446-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2172-447-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2172-445-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2172-448-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/4296-344-0x0000000002570000-0x000000000259C000-memory.dmp

Filesize
176KB

Download
memory/4296-355-0x0000000002530000-0x0000000002531000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads