emotet | 02f2e1dc0cf690e5e8b9a34f74f75a0fb7c1fd306043a223b2902a372bd775d4

Resubmissions

19-03-2023 15:47

230319-s8b6msba8s 10

19-03-2023 15:05

230319-sgk98sgh34 4

Analysis

max time kernel
136s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2023 15:47

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General

Target

c14bf8e8-a5eb-49f1-9487-6b1a931e8716.one
Size

130KB
MD5

ff9fb863976b69b4f2d7130d70d21717
SHA1

753ab8257dfdca18c8d1e9b2f1b5f88d4f0b01e4
SHA256

02f2e1dc0cf690e5e8b9a34f74f75a0fb7c1fd306043a223b2902a372bd775d4
SHA512

2cb51488b63642bbacec6eee7a1fc7538198465f70962ea7691d331c108b3b957379e395f4e2fe99f0f3bbcf072fd97b85124d83a5a6c481a270d6a8fa9f5a6b
SSDEEP

3072:PrfWMINYf3K19kzCnEEQvSMVnte8ZP1Y6J0cTgGR:d6nInM8TXJ5R

Score

10^/10

emotet epoch5 banker persistence trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch5

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:

WScript.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\ONENOTE.EXE is not expected to spawn this process	3568	3064	WScript.exe	ONENOTE.EXE

Blocklisted process makes network request 1 IoCs

Processes:

WScript.exe

flow pid process

38 3568 WScript.exe
Downloads MZ/PE file
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

WScript.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation WScript.exe
Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

4516 regsvr32.exe
552 regsvr32.exe

flow	pid	process
38	3568	WScript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	WScript.exe

pid	process
4516	regsvr32.exe
552	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\cNKlfSr.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\QzsWnPnhZaIDexqx\\cNKlfSr.dll\""	regsvr32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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:

ONENOTE.EXE

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

ONENOTE.EXE

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

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

Processes:

description flow ioc

HTTP User-Agent header 38 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

ONENOTE.EXE

pid process

3064 ONENOTE.EXE
3064 ONENOTE.EXE
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

ONENOTE.EXEregsvr32.exeregsvr32.exe

pid process

3064 ONENOTE.EXE
3064 ONENOTE.EXE
4516 regsvr32.exe
4516 regsvr32.exe
552 regsvr32.exe
552 regsvr32.exe
552 regsvr32.exe
552 regsvr32.exe

description	flow	ioc
HTTP User-Agent header	38	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

ONENOTE.EXE

pid	process
3064	ONENOTE.EXE
3064	ONENOTE.EXE
3064	ONENOTE.EXE
3064	ONENOTE.EXE
3064	ONENOTE.EXE
3064	ONENOTE.EXE
3064	ONENOTE.EXE
3064	ONENOTE.EXE
3064	ONENOTE.EXE
3064	ONENOTE.EXE
3064	ONENOTE.EXE
3064	ONENOTE.EXE
3064	ONENOTE.EXE
3064	ONENOTE.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ONENOTE.EXEWScript.exeregsvr32.exe

description	pid	process	target process
PID 3064 wrote to memory of 3568	3064	ONENOTE.EXE	WScript.exe
PID 3064 wrote to memory of 3568	3064	ONENOTE.EXE	WScript.exe
PID 3568 wrote to memory of 4516	3568	WScript.exe	regsvr32.exe
PID 3568 wrote to memory of 4516	3568	WScript.exe	regsvr32.exe
PID 4516 wrote to memory of 552	4516	regsvr32.exe	regsvr32.exe
PID 4516 wrote to memory of 552	4516	regsvr32.exe	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\ONENOTE.EXE
"C:\Program Files\Microsoft Office\Root\Office16\ONENOTE.EXE" "C:\Users\Admin\AppData\Local\Temp\c14bf8e8-a5eb-49f1-9487-6b1a931e8716.one"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Exported\{78B08B7F-C362-48F3-8C7D-7207AFDA7AF9}\NT\0\click.wsf"
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:3568
- - C:\Windows\System32\regsvr32.exe
    "C:\Windows\System32\regsvr32.exe" "C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Exported\{78B08B7F-C362-48F3-8C7D-7207AFDA7AF9}\NT\0\rad7F0FE.tmp.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4516
  - - C:\Windows\system32\regsvr32.exe
      C:\Windows\system32\regsvr32.exe "C:\Windows\system32\QzsWnPnhZaIDexqx\cNKlfSr.dll"
      4⤵
      Loads dropped DLL
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      PID:552

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\tmp\000000BL.bin

Filesize
61KB

MD5
45282862aeb428ffb5d4986704a8f4d5

SHA1
fa2b0a82f3ca6bc7c00704556c9494b303613972

SHA256
af0c7d355bb6a495d038fd05217209054107d31aa6199c491b74ae3d24b11c7e

SHA512
db6457af502f45665ce4cc6573c5746607d8ffc661f0dcb224beceed93886f6c6194561cacc0efa543f0b2f62db976742f42c6c8102c5b11b65329757110b1db

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\tmp\000000BM.bin

Filesize
48KB

MD5
b7fc313714edd7866f4c76527282c2b5

SHA1
c86217b46956933fae4a30483a63b33f34b8c503

SHA256
b6d25f5eb52d5c24ef6c325bd25f18e413f3e23d20413a3693749275ba4b192c

SHA512
038a73b7a69dd976c964f1538f5b4f7c6c64721e4f2f1a831815598faae84cac53305c03f5cea6e66acdc110a9a5117eee191345ea004b9576c752122f8d88f7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\tmp\000000BN.bin

Filesize
567B

MD5
d055ce625528e448c61315eaaef5bb71

SHA1
029df4c872b1c154f32e7fe94f434547c3ba6192

SHA256
85bf1e672b4e86e9af0c7874681ec9620dfdc78e0335b83eef38c17d813b6705

SHA512
705b6b729e967fa946469571109aa892f5cb55a01c74d40ae02140d10cbf9b65dd5e511c06ebfe494e407742f8c6f4fbbe88664b78b37abfb2f19db1f66f4247

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\tmp\000000BP.bin

Filesize
9B

MD5
07f5a0cffd9b2616ea44fb90ccc04480

SHA1
641b12c5ffa1a31bc367390e34d441a9ce1958ee

SHA256
a0430a038e7d879375c9ca5bf94cb440a3b9a002712118a7bccc1ff82f1ea896

SHA512
09e7488c138dead45343a79ad0cb37036c5444606cdfd8aa859ee70227a96964376a17f07e03d0fc353708ca9aaf979abf8bc917e6c2d005a0052575e074f531

Download Submit
C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Exported\{78B08B7F-C362-48F3-8C7D-7207AFDA7AF9}\NT\0\click.wsf

Filesize
61KB

MD5
45282862aeb428ffb5d4986704a8f4d5

SHA1
fa2b0a82f3ca6bc7c00704556c9494b303613972

SHA256
af0c7d355bb6a495d038fd05217209054107d31aa6199c491b74ae3d24b11c7e

SHA512
db6457af502f45665ce4cc6573c5746607d8ffc661f0dcb224beceed93886f6c6194561cacc0efa543f0b2f62db976742f42c6c8102c5b11b65329757110b1db

Download Submit
C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Exported\{78B08B7F-C362-48F3-8C7D-7207AFDA7AF9}\NT\0\click.wsf

Filesize
9B

MD5
07f5a0cffd9b2616ea44fb90ccc04480

SHA1
641b12c5ffa1a31bc367390e34d441a9ce1958ee

SHA256
a0430a038e7d879375c9ca5bf94cb440a3b9a002712118a7bccc1ff82f1ea896

SHA512
09e7488c138dead45343a79ad0cb37036c5444606cdfd8aa859ee70227a96964376a17f07e03d0fc353708ca9aaf979abf8bc917e6c2d005a0052575e074f531

Download Submit
C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Exported\{78B08B7F-C362-48F3-8C7D-7207AFDA7AF9}\NT\0\rad7F0FE.tmp.dll

Filesize
561KB

MD5
c901c8089c5e017f8e9b4b15c8ef154f

SHA1
336c2bea43bfa2e8afd27a164dba640f36c0013c

SHA256
fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

SHA512
9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

Download Submit
C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Exported\{78B08B7F-C362-48F3-8C7D-7207AFDA7AF9}\NT\0\rad7F0FE.tmp.dll

Filesize
561KB

MD5
c901c8089c5e017f8e9b4b15c8ef154f

SHA1
336c2bea43bfa2e8afd27a164dba640f36c0013c

SHA256
fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

SHA512
9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

Download Submit
C:\Windows\System32\QzsWnPnhZaIDexqx\cNKlfSr.dll

Filesize
561KB

MD5
c901c8089c5e017f8e9b4b15c8ef154f

SHA1
336c2bea43bfa2e8afd27a164dba640f36c0013c

SHA256
fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

SHA512
9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

Download Submit
memory/3064-137-0x00007FFB9E470000-0x00007FFB9E480000-memory.dmp

Filesize
64KB

Download
memory/3064-140-0x00007FFB9C1A0000-0x00007FFB9C1B0000-memory.dmp

Filesize
64KB

Download
memory/3064-138-0x00007FFB9C1A0000-0x00007FFB9C1B0000-memory.dmp

Filesize
64KB

Download
memory/3064-133-0x00007FFB9E470000-0x00007FFB9E480000-memory.dmp

Filesize
64KB

Download
memory/3064-136-0x00007FFB9E470000-0x00007FFB9E480000-memory.dmp

Filesize
64KB

Download
memory/3064-134-0x00007FFB9E470000-0x00007FFB9E480000-memory.dmp

Filesize
64KB

Download
memory/3064-135-0x00007FFB9E470000-0x00007FFB9E480000-memory.dmp

Filesize
64KB

Download
memory/4516-190-0x0000000002AC0000-0x0000000002AEC000-memory.dmp

Filesize
176KB

Download
memory/4516-193-0x00000000010A0000-0x00000000010A1000-memory.dmp

Filesize
4KB

Download