45e8e29839193164d1246611825060f46fdedfd515a8cb52e8dbf1a2dbb54d1c

Analysis

max time kernel
141s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 10:34

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General

Target

45e8e29839193164d1246611825060f46fdedfd515a8cb52e8dbf1a2dbb54d1c.xls
Size

74KB
MD5

95cf4e0fa3165096aa664aa251e4d4bc
SHA1

a90284ee8bfb991ae3b24a43c55e10a3d258825c
SHA256

45e8e29839193164d1246611825060f46fdedfd515a8cb52e8dbf1a2dbb54d1c
SHA512

509b7ff79f030bd19ca1587c0a4f45c82b87b2c2ed80563607067d99f7955e7dd1ef667b427cd111036327dae7724a83b7bd796831d8f0c16fd539b9d66c0ffd
SSDEEP

1536:VTOKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgTKHuS4NcTO9/z7UYdEJBo:VaKpb8rGYrMPe3q7Q0XV5xtezEsi8/dw

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://bdtin.com/cache/4G8pl/

xlm40.dropper

http://bascoysonido.com.ar/cgi-bin/AmUUPhWK6oTKLzHpl7zm/

xlm40.dropper

http://basnetbd.com/ckfinder/K0a/

Signatures

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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2904	2096	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2164	2096	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2688	2096	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1584	2096	regsvr32.exe	29

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2096	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2096	EXCEL.EXE
2096	EXCEL.EXE
2096	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2904	2096	EXCEL.EXE	32
PID 2096 wrote to memory of 2904	2096	EXCEL.EXE	32
PID 2096 wrote to memory of 2904	2096	EXCEL.EXE	32
PID 2096 wrote to memory of 2904	2096	EXCEL.EXE	32
PID 2096 wrote to memory of 2904	2096	EXCEL.EXE	32
PID 2096 wrote to memory of 2904	2096	EXCEL.EXE	32
PID 2096 wrote to memory of 2904	2096	EXCEL.EXE	32
PID 2096 wrote to memory of 2164	2096	EXCEL.EXE	33
PID 2096 wrote to memory of 2164	2096	EXCEL.EXE	33
PID 2096 wrote to memory of 2164	2096	EXCEL.EXE	33
PID 2096 wrote to memory of 2164	2096	EXCEL.EXE	33
PID 2096 wrote to memory of 2164	2096	EXCEL.EXE	33
PID 2096 wrote to memory of 2164	2096	EXCEL.EXE	33
PID 2096 wrote to memory of 2164	2096	EXCEL.EXE	33
PID 2096 wrote to memory of 2688	2096	EXCEL.EXE	34
PID 2096 wrote to memory of 2688	2096	EXCEL.EXE	34
PID 2096 wrote to memory of 2688	2096	EXCEL.EXE	34
PID 2096 wrote to memory of 2688	2096	EXCEL.EXE	34
PID 2096 wrote to memory of 2688	2096	EXCEL.EXE	34
PID 2096 wrote to memory of 2688	2096	EXCEL.EXE	34
PID 2096 wrote to memory of 2688	2096	EXCEL.EXE	34
PID 2096 wrote to memory of 1584	2096	EXCEL.EXE	35
PID 2096 wrote to memory of 1584	2096	EXCEL.EXE	35
PID 2096 wrote to memory of 1584	2096	EXCEL.EXE	35
PID 2096 wrote to memory of 1584	2096	EXCEL.EXE	35
PID 2096 wrote to memory of 1584	2096	EXCEL.EXE	35
PID 2096 wrote to memory of 1584	2096	EXCEL.EXE	35
PID 2096 wrote to memory of 1584	2096	EXCEL.EXE	35

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\45e8e29839193164d1246611825060f46fdedfd515a8cb52e8dbf1a2dbb54d1c.xls
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cui1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2904
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cui2.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2164
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cui3.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cui4.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:1584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabDA8A.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarDABB.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\cui2.ocx

Filesize
1KB

MD5
1326c16a18441423830933fbb3a6a290

SHA1
d62b5f0ec9ae7a82209938c347311519b9fc1084

SHA256
3bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf

SHA512
2b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528

Download Submit
memory/2096-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2096-1-0x000000007223D000-0x0000000072248000-memory.dmp

Filesize
44KB

Download
memory/2096-59-0x000000007223D000-0x0000000072248000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads