emotet | 71c7536a10c7233f2b7854681f1a1d6a8d90b8bbd53a564981be8b584b700ec0

General

Target

71c7536a10c7233f2b7854681f1a1d6a8d90b8bbd53a564981be8b584b700ec0.xls
Size

217KB
MD5

3745f6ea8f881e0324d8ddb316ab750e
SHA1

1d1ae8ddfee01d5351cc425225e8cd98c68aeb2d
SHA256

71c7536a10c7233f2b7854681f1a1d6a8d90b8bbd53a564981be8b584b700ec0
SHA512

d5e6995df157063c986db6d6a3700a834774695b41d062ef9f1d62fa41e350438a0eaf30cae3f801dd5708e02ffd19151407aff8262d6d636d68a85641f55cfd
SSDEEP

6144:OKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgIyY+TAQXTHGUMEyP5p6f5jQmH:bbGUMVWlbH

Score

10^/10

emotet banker persistence trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://aprendeconmireia.com/images/wBu/

xlm40.dropper

http://updailymail.com/cgi-bin/gBYmfqRi2utIS2n/

xlm40.dropper

https://akuntansi.itny.ac.id/asset/9aVFvYeaSKOhGBSLx/

xlm40.dropper

http://swiftwebbox.com/cgi-bin/vNqoMtQilpysJYRwtGu/

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Process spawned unexpected child process 4 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4792	5104	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	872	5104	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	656	5104	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1452	5104	regsvr32.exe	65

Downloads MZ/PE file

Loads dropped DLL 3 IoCs

pid	Process
4792	regsvr32.exe
656	regsvr32.exe
1452	regsvr32.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cDssxOswGTcAUUcD.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\Xfwgqg\\cDssxOswGTcAUUcD.dll\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yudrrcvDiWoodxn.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\FTdSldPYD\\yudrrcvDiWoodxn.dll\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cNXoVFdmzjS.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\WxaZYMXCVoHrH\\cNXoVFdmzjS.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

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
5104	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
4792	regsvr32.exe
4792	regsvr32.exe
4452	regsvr32.exe
4452	regsvr32.exe
4452	regsvr32.exe
4452	regsvr32.exe
656	regsvr32.exe
656	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1968	regsvr32.exe
1452	regsvr32.exe
1452	regsvr32.exe
604	regsvr32.exe
604	regsvr32.exe
604	regsvr32.exe
604	regsvr32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5104	EXCEL.EXE
5104	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 4792	5104	EXCEL.EXE	68
PID 5104 wrote to memory of 4792	5104	EXCEL.EXE	68
PID 4792 wrote to memory of 4452	4792	regsvr32.exe	71
PID 4792 wrote to memory of 4452	4792	regsvr32.exe	71
PID 5104 wrote to memory of 872	5104	EXCEL.EXE	76
PID 5104 wrote to memory of 872	5104	EXCEL.EXE	76
PID 5104 wrote to memory of 656	5104	EXCEL.EXE	77
PID 5104 wrote to memory of 656	5104	EXCEL.EXE	77
PID 656 wrote to memory of 1968	656	regsvr32.exe	78
PID 656 wrote to memory of 1968	656	regsvr32.exe	78
PID 5104 wrote to memory of 1452	5104	EXCEL.EXE	79
PID 5104 wrote to memory of 1452	5104	EXCEL.EXE	79
PID 1452 wrote to memory of 604	1452	regsvr32.exe	80
PID 1452 wrote to memory of 604	1452	regsvr32.exe	80

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\71c7536a10c7233f2b7854681f1a1d6a8d90b8bbd53a564981be8b584b700ec0.xls"
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:5104
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4792
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FTdSldPYD\yudrrcvDiWoodxn.dll"
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:4452
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:872
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:656
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\WxaZYMXCVoHrH\cNXoVFdmzjS.dll"
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:1968
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1452
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\Xfwgqg\cDssxOswGTcAUUcD.dll"
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:604

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\oxnv1.ooccxx

Filesize
712KB

MD5
44a954e4ec00eef0b611eebed4fcb4a4

SHA1
504772fc32d2d6ec4406e98edf45ab47eef87fbd

SHA256
9cebe2b60610d00aeaa6b31a43a3fa14dfd82d3b22344787aa247b53afe52d1c

SHA512
361ad021e144c881e325e7af589d5471f0ce798bb4e4747b4b3d5d10ef6630b1474cf6d3695c710840cc96859e16d6e1cba2be5b6abc0669935285f7448dc2bf

Download Submit
C:\Users\Admin\oxnv3.ooccxx

Filesize
712KB

MD5
ed12596703a5447597bf812338ac231a

SHA1
fbb2e861564f9ce33488f6f71b86346a4a1bc396

SHA256
8800a24cc74174af7e1e95606a870cd7b19a74a4937a60a25829eaa3fff8df89

SHA512
22ad8f1edf24829835b75f79e7b791e0f76921ad768e2352b433b10915f66579921f42c59dbf33e52c26a9878328e8e70f31d4ddcc49d4bd6ab63ca4e19e7ae6

Download Submit
C:\Users\Admin\oxnv4.ooccxx

Filesize
712KB

MD5
13356f3f82985fa3fdf1bb331edae854

SHA1
776a411af8988b75acea1002599fe197ab1460e7

SHA256
8eaab8fa84a95b9821bcf5d542115e51b009ab235c72a405e0c6a39ef3e7d795

SHA512
ee9bbb88953774e1012e3d2ae927e9babaf0a51f3d1696ec02a2cdf21ec5114a5b94e94d0015df26dbec33be5ca742b8bd09b72af7a37fc10497255e07f4ac90

Download Submit
\Users\Admin\oxnv1.ooccxx

Filesize
712KB

MD5
44a954e4ec00eef0b611eebed4fcb4a4

SHA1
504772fc32d2d6ec4406e98edf45ab47eef87fbd

SHA256
9cebe2b60610d00aeaa6b31a43a3fa14dfd82d3b22344787aa247b53afe52d1c

SHA512
361ad021e144c881e325e7af589d5471f0ce798bb4e4747b4b3d5d10ef6630b1474cf6d3695c710840cc96859e16d6e1cba2be5b6abc0669935285f7448dc2bf

Download Submit
\Users\Admin\oxnv3.ooccxx

Filesize
712KB

MD5
ed12596703a5447597bf812338ac231a

SHA1
fbb2e861564f9ce33488f6f71b86346a4a1bc396

SHA256
8800a24cc74174af7e1e95606a870cd7b19a74a4937a60a25829eaa3fff8df89

SHA512
22ad8f1edf24829835b75f79e7b791e0f76921ad768e2352b433b10915f66579921f42c59dbf33e52c26a9878328e8e70f31d4ddcc49d4bd6ab63ca4e19e7ae6

Download Submit
\Users\Admin\oxnv4.ooccxx

Filesize
712KB

MD5
13356f3f82985fa3fdf1bb331edae854

SHA1
776a411af8988b75acea1002599fe197ab1460e7

SHA256
8eaab8fa84a95b9821bcf5d542115e51b009ab235c72a405e0c6a39ef3e7d795

SHA512
ee9bbb88953774e1012e3d2ae927e9babaf0a51f3d1696ec02a2cdf21ec5114a5b94e94d0015df26dbec33be5ca742b8bd09b72af7a37fc10497255e07f4ac90

Download Submit
memory/4792-254-0x0000000180000000-0x0000000180030000-memory.dmp

Filesize
192KB

Download
memory/5104-115-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

Filesize
64KB

Download
memory/5104-127-0x00007FFC722E0000-0x00007FFC722F0000-memory.dmp

Filesize
64KB

Download
memory/5104-128-0x00007FFC722E0000-0x00007FFC722F0000-memory.dmp

Filesize
64KB

Download
memory/5104-118-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

Filesize
64KB

Download
memory/5104-117-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

Filesize
64KB

Download
memory/5104-116-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

Filesize
64KB

Download
memory/5104-324-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

Filesize
64KB

Download
memory/5104-325-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

Filesize
64KB

Download
memory/5104-326-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

Filesize
64KB

Download
memory/5104-327-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads