emotet | 5e885180e31c3690ed6761b181919f985140bd173e35a444ea67450ce587dc15

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/11/2022, 13:41

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General

Target

0311.xls
Size

217KB
MD5

f6895e2267fc5ef1a31fd5dd4495fd5b
SHA1

ea86e973131a134c64150bb2a61440926f6e32a8
SHA256

5e885180e31c3690ed6761b181919f985140bd173e35a444ea67450ce587dc15
SHA512

97fd3bd4dfb31f75a5c4dfdc28dfcb7ed394d1b653153a69f0f73c50aec4aa866721ad48425665081c2cbde28be7014d6619a1ab360db8362545dcedfe153dcf
SSDEEP

6144:OKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgIyY+TAQXTHGUMEyP5p6f5jQmL:bbGUMVWlbL

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	1544	3724	regsvr32.exe	80
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4508	3724	regsvr32.exe	80
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4568	3724	regsvr32.exe	80
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	860	3724	regsvr32.exe	80

Downloads MZ/PE file

Loads dropped DLL 8 IoCs

pid	Process
1544	regsvr32.exe
3768	regsvr32.exe
4508	regsvr32.exe
4456	regsvr32.exe
4568	regsvr32.exe
3248	regsvr32.exe
860	regsvr32.exe
3500	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rTYUgAaJwJtO.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\PfZUD\\rTYUgAaJwJtO.dll\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aSotNhPtFzH.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\XwhDwJ\\aSotNhPtFzH.dll\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WrvjYLUIpUhjzITj.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\JIkmKyfKKkBDI\\WrvjYLUIpUhjzITj.dll\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	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
3724	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
1544	regsvr32.exe
1544	regsvr32.exe
3768	regsvr32.exe
3768	regsvr32.exe
3768	regsvr32.exe
3768	regsvr32.exe
4508	regsvr32.exe
4508	regsvr32.exe
4456	regsvr32.exe
4456	regsvr32.exe
4456	regsvr32.exe
4456	regsvr32.exe
4568	regsvr32.exe
4568	regsvr32.exe
3248	regsvr32.exe
3248	regsvr32.exe
3248	regsvr32.exe
3248	regsvr32.exe
860	regsvr32.exe
860	regsvr32.exe
3500	regsvr32.exe
3500	regsvr32.exe
3500	regsvr32.exe
3500	regsvr32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3724	EXCEL.EXE
3724	EXCEL.EXE
3724	EXCEL.EXE
3724	EXCEL.EXE
3724	EXCEL.EXE
3724	EXCEL.EXE
3724	EXCEL.EXE
3724	EXCEL.EXE
3724	EXCEL.EXE
3724	EXCEL.EXE
3724	EXCEL.EXE
3724	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3724 wrote to memory of 1544	3724	EXCEL.EXE	86
PID 3724 wrote to memory of 1544	3724	EXCEL.EXE	86
PID 1544 wrote to memory of 3768	1544	regsvr32.exe	88
PID 1544 wrote to memory of 3768	1544	regsvr32.exe	88
PID 3724 wrote to memory of 4508	3724	EXCEL.EXE	89
PID 3724 wrote to memory of 4508	3724	EXCEL.EXE	89
PID 4508 wrote to memory of 4456	4508	regsvr32.exe	91
PID 4508 wrote to memory of 4456	4508	regsvr32.exe	91
PID 3724 wrote to memory of 4568	3724	EXCEL.EXE	93
PID 3724 wrote to memory of 4568	3724	EXCEL.EXE	93
PID 4568 wrote to memory of 3248	4568	regsvr32.exe	94
PID 4568 wrote to memory of 3248	4568	regsvr32.exe	94
PID 3724 wrote to memory of 860	3724	EXCEL.EXE	95
PID 3724 wrote to memory of 860	3724	EXCEL.EXE	95
PID 860 wrote to memory of 3500	860	regsvr32.exe	96
PID 860 wrote to memory of 3500	860	regsvr32.exe	96

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0311.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3724
- 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:1544
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\JIkmKyfKKkBDI\WrvjYLUIpUhjzITj.dll"
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:3768
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4508
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\DgDmWVUbYz\UNhFvTWLN.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:4456
- 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:4568
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\PfZUD\rTYUgAaJwJtO.dll"
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:3248
- 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:860
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\XwhDwJ\aSotNhPtFzH.dll"
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:3500

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\oxnv1.ooccxx

Filesize
818KB

MD5
d9fd8f201f796ab318f478fd9c76804c

SHA1
788d4ef141339b72381717c35ef8b6349841dae9

SHA256
5363f23d42383a390bf5dc39e6f34e1f5febdaaa6e8fb1c5a38a7fa03a5ea0a8

SHA512
5e0891c04f0db03d34364c6cbc2703cb18e64e2f52b571458b348c055c6692600422868546d71119a6607f3c9949441a949cde171aa20b732048c4b051b10985

Download Submit
C:\Users\Admin\oxnv1.ooccxx

Filesize
818KB

MD5
d9fd8f201f796ab318f478fd9c76804c

SHA1
788d4ef141339b72381717c35ef8b6349841dae9

SHA256
5363f23d42383a390bf5dc39e6f34e1f5febdaaa6e8fb1c5a38a7fa03a5ea0a8

SHA512
5e0891c04f0db03d34364c6cbc2703cb18e64e2f52b571458b348c055c6692600422868546d71119a6607f3c9949441a949cde171aa20b732048c4b051b10985

Download Submit
C:\Users\Admin\oxnv2.ooccxx

Filesize
818KB

MD5
1e0fbed0c0dec7ce52035d57038b3630

SHA1
1015353dc5d1c0c2f4ce6678131ab087615b2b87

SHA256
eb0da63e432d154ee120b7afb3d8bf83564ad7fc7bf4719cb8d73e3c1b60145a

SHA512
9696c18bfe4763c7d99def3c8f3ca077da11e87663ac345aa790f7f3ae007d77c6b99a119f7f8860e22672ab0015b6fba599c29909990083ceca974db242c3a4

Download Submit
C:\Users\Admin\oxnv2.ooccxx

Filesize
818KB

MD5
1e0fbed0c0dec7ce52035d57038b3630

SHA1
1015353dc5d1c0c2f4ce6678131ab087615b2b87

SHA256
eb0da63e432d154ee120b7afb3d8bf83564ad7fc7bf4719cb8d73e3c1b60145a

SHA512
9696c18bfe4763c7d99def3c8f3ca077da11e87663ac345aa790f7f3ae007d77c6b99a119f7f8860e22672ab0015b6fba599c29909990083ceca974db242c3a4

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

Filesize
818KB

MD5
031911e41da16f6ff2fab0a2611d12e5

SHA1
fc0885a7661041dad5ba76121db972ec3b7cb851

SHA256
f545897f6677b7f0d205c08ff6a38e807e495c89d51f588f6b13d427df90992d

SHA512
04ae8d4cf27c165288ddc4151c8d6649780cd9e5f68b900949325c65a8f9e8f08e7b8d558ebf3b08eaf18af90e1c5b725c48383830c68e082827d24af24f33e0

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

Filesize
818KB

MD5
031911e41da16f6ff2fab0a2611d12e5

SHA1
fc0885a7661041dad5ba76121db972ec3b7cb851

SHA256
f545897f6677b7f0d205c08ff6a38e807e495c89d51f588f6b13d427df90992d

SHA512
04ae8d4cf27c165288ddc4151c8d6649780cd9e5f68b900949325c65a8f9e8f08e7b8d558ebf3b08eaf18af90e1c5b725c48383830c68e082827d24af24f33e0

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

Filesize
818KB

MD5
49b1abbc6a8660d5dcee74f53f9f64b2

SHA1
748cde3a1a4c9df6c1ab06bc1670eae1eaac9268

SHA256
c5a61d7a8b47c419e36d49caad1930fb769dbad81c00dbbb073a1779d6f658ec

SHA512
b6c6546abbb3bf7cd328687b70069df633f603d6a031111ae65385303e61002e4e00543119bef0e450963e775c873beda1a7574bbd7e63c872d261da02d4dbc0

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

Filesize
818KB

MD5
49b1abbc6a8660d5dcee74f53f9f64b2

SHA1
748cde3a1a4c9df6c1ab06bc1670eae1eaac9268

SHA256
c5a61d7a8b47c419e36d49caad1930fb769dbad81c00dbbb073a1779d6f658ec

SHA512
b6c6546abbb3bf7cd328687b70069df633f603d6a031111ae65385303e61002e4e00543119bef0e450963e775c873beda1a7574bbd7e63c872d261da02d4dbc0

Download Submit
C:\Windows\System32\DgDmWVUbYz\UNhFvTWLN.dll

Filesize
818KB

MD5
1e0fbed0c0dec7ce52035d57038b3630

SHA1
1015353dc5d1c0c2f4ce6678131ab087615b2b87

SHA256
eb0da63e432d154ee120b7afb3d8bf83564ad7fc7bf4719cb8d73e3c1b60145a

SHA512
9696c18bfe4763c7d99def3c8f3ca077da11e87663ac345aa790f7f3ae007d77c6b99a119f7f8860e22672ab0015b6fba599c29909990083ceca974db242c3a4

Download Submit
C:\Windows\System32\JIkmKyfKKkBDI\WrvjYLUIpUhjzITj.dll

Filesize
818KB

MD5
d9fd8f201f796ab318f478fd9c76804c

SHA1
788d4ef141339b72381717c35ef8b6349841dae9

SHA256
5363f23d42383a390bf5dc39e6f34e1f5febdaaa6e8fb1c5a38a7fa03a5ea0a8

SHA512
5e0891c04f0db03d34364c6cbc2703cb18e64e2f52b571458b348c055c6692600422868546d71119a6607f3c9949441a949cde171aa20b732048c4b051b10985

Download Submit
C:\Windows\System32\PfZUD\rTYUgAaJwJtO.dll

Filesize
818KB

MD5
031911e41da16f6ff2fab0a2611d12e5

SHA1
fc0885a7661041dad5ba76121db972ec3b7cb851

SHA256
f545897f6677b7f0d205c08ff6a38e807e495c89d51f588f6b13d427df90992d

SHA512
04ae8d4cf27c165288ddc4151c8d6649780cd9e5f68b900949325c65a8f9e8f08e7b8d558ebf3b08eaf18af90e1c5b725c48383830c68e082827d24af24f33e0

Download Submit
C:\Windows\System32\XwhDwJ\aSotNhPtFzH.dll

Filesize
818KB

MD5
49b1abbc6a8660d5dcee74f53f9f64b2

SHA1
748cde3a1a4c9df6c1ab06bc1670eae1eaac9268

SHA256
c5a61d7a8b47c419e36d49caad1930fb769dbad81c00dbbb073a1779d6f658ec

SHA512
b6c6546abbb3bf7cd328687b70069df633f603d6a031111ae65385303e61002e4e00543119bef0e450963e775c873beda1a7574bbd7e63c872d261da02d4dbc0

Download Submit
memory/1544-142-0x0000000180000000-0x0000000180030000-memory.dmp

Filesize
192KB

Download
memory/3724-138-0x00007FFE2F100000-0x00007FFE2F110000-memory.dmp

Filesize
64KB

Download
memory/3724-132-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/3724-137-0x00007FFE2F100000-0x00007FFE2F110000-memory.dmp

Filesize
64KB

Download
memory/3724-136-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/3724-135-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/3724-134-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/3724-133-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download