emotet | a943f6bfcea59de3df3c5cfe269479cb8a9a9678720be9f54c05a52c755ced3c

General

Target

a943f6bfcea59de3df3c5cfe269479cb8a9a9678720be9f54c05a52c755ced3c.doc
Size

280KB
MD5

1ed78c12c4ff7dd9b7107b2b5ec0ddb3
SHA1

56282ca3aa2300155a7ef2d125e6df963e9d0354
SHA256

a943f6bfcea59de3df3c5cfe269479cb8a9a9678720be9f54c05a52c755ced3c
SHA512

c8a3cf440d30e21756c5da7581af3c70b2ed1219126db817750c1a0e558894eb6869a8adedbd49f2587fbd6f6a998a75334a1c325eaa76d434711c48c6e24d21
SSDEEP

3072:DRtgb85gk/qpAn0wIQFAN5iRZVGgge3WzN09JYUCJVE4gz7+W9iJF:tNgkHn905e6JkJYUCJV2+iW

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

213.239.212.5:443

129.232.188.93:443

103.43.75.120:443

197.242.150.244:8080

1.234.2.232:8080

110.232.117.186:8080

95.217.221.146:8080

159.89.202.34:443

159.65.88.10:8080

82.223.21.224:8080

169.57.156.166:8080

45.176.232.124:443

45.235.8.30:8080

173.212.193.249:8080

107.170.39.149:8080

119.59.103.152:8080

167.172.199.165:8080

91.207.28.33:8080

185.4.135.165:8080

104.168.155.143:8080

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	3548	3212	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

3548 regsvr32.exe

pid	process
3548	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 21 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3212 WINWORD.EXE
3212 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

3548 regsvr32.exe
3548 regsvr32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

3212 WINWORD.EXE
3212 WINWORD.EXE
3212 WINWORD.EXE
3212 WINWORD.EXE
3212 WINWORD.EXE
3212 WINWORD.EXE
3212 WINWORD.EXE
3212 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	21	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
3212	WINWORD.EXE
3212	WINWORD.EXE

pid	process
3548	regsvr32.exe
3548	regsvr32.exe

pid	process
3212	WINWORD.EXE
3212	WINWORD.EXE
3212	WINWORD.EXE
3212	WINWORD.EXE
3212	WINWORD.EXE
3212	WINWORD.EXE
3212	WINWORD.EXE
3212	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 3212 wrote to memory of 3548	3212	WINWORD.EXE	regsvr32.exe
PID 3212 wrote to memory of 3548	3212	WINWORD.EXE	regsvr32.exe
PID 3548 wrote to memory of 1420	3548	regsvr32.exe	regsvr32.exe
PID 3548 wrote to memory of 1420	3548	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\a943f6bfcea59de3df3c5cfe269479cb8a9a9678720be9f54c05a52c755ced3c.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3212

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\003727.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3548

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CFGpchNwci\efyAr.dll"
3⤵
PID:1420

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\003727.tmp
Filesize
533.9MB

MD5
6c442d3235f3e60f7a9ea3efca0289ab

SHA1
98a3e3afbac75a582ffbc6d67c39a67fa7c97f63

SHA256
9dd2387b18930f0dc67917b2b14c9146bfc6f395fe917d8decc3263011797efa

SHA512
0a40b46ecde2142f60aaa406ddc06d912c8deb4fee14716de31e23b74718531c003ee6adebb10e47325c3fd67a1f7ef5ff51c72e9abddc7d18ed4bbb8ce9ab24

Download Submit
C:\Users\Admin\AppData\Local\Temp\003751.zip
Filesize
973KB

MD5
190d5c8eab598f7e99284dab0dd18ea9

SHA1
43dbfafd70a0742d964ff4444d6fc41d7c9dd0fa

SHA256
17c986a56a0e2d196e59f7c8fce110a5f3a699a51e835c4b74efdc95144a0615

SHA512
fd93aa96ca4493500445c6fbe8cd8b68694f7e6daac74e06df7686bfe9e8c85c2bc33a8e4a1285cb65a18c368b1f1a654c95191ef159fb57b620e15cd6951451

Download Submit
\Users\Admin\AppData\Local\Temp\003727.tmp
Filesize
533.9MB

MD5
6c442d3235f3e60f7a9ea3efca0289ab

SHA1
98a3e3afbac75a582ffbc6d67c39a67fa7c97f63

SHA256
9dd2387b18930f0dc67917b2b14c9146bfc6f395fe917d8decc3263011797efa

SHA512
0a40b46ecde2142f60aaa406ddc06d912c8deb4fee14716de31e23b74718531c003ee6adebb10e47325c3fd67a1f7ef5ff51c72e9abddc7d18ed4bbb8ce9ab24

Download Submit
memory/3212-123-0x00007FF939110000-0x00007FF939120000-memory.dmp

Filesize
64KB

Download
memory/3212-126-0x00007FF936510000-0x00007FF936520000-memory.dmp

Filesize
64KB

Download
memory/3212-127-0x00007FF936510000-0x00007FF936520000-memory.dmp

Filesize
64KB

Download
memory/3212-122-0x00007FF939110000-0x00007FF939120000-memory.dmp

Filesize
64KB

Download
memory/3212-121-0x00007FF939110000-0x00007FF939120000-memory.dmp

Filesize
64KB

Download
memory/3212-120-0x00007FF939110000-0x00007FF939120000-memory.dmp

Filesize
64KB

Download
memory/3212-437-0x00007FF939110000-0x00007FF939120000-memory.dmp

Filesize
64KB

Download
memory/3212-438-0x00007FF939110000-0x00007FF939120000-memory.dmp

Filesize
64KB

Download
memory/3212-439-0x00007FF939110000-0x00007FF939120000-memory.dmp

Filesize
64KB

Download
memory/3212-440-0x00007FF939110000-0x00007FF939120000-memory.dmp

Filesize
64KB

Download
memory/3548-329-0x0000000002210000-0x000000000226A000-memory.dmp

Filesize
360KB

Download
memory/3548-343-0x0000000000760000-0x0000000000761000-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