43ad1f8394fc6dde60e7e595e228ca5ac2187e60837d3bb3571bf7ea733704ea

Analysis

max time kernel
137s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 21:35

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General

Target

43ad1f8394fc6dde60e7e595e228ca5ac2187e60837d3bb3571bf7ea733704ea.xls
Size

95KB
MD5

411e43bb13d70066ad47e8ecbfb7f441
SHA1

20201000116c31252a0c6ae36877ddedf05fe5d6
SHA256

43ad1f8394fc6dde60e7e595e228ca5ac2187e60837d3bb3571bf7ea733704ea
SHA512

42c438a04078a6a443e887fb19a16d5eee70cda3e2c20cde6277cf98bea0a017d755f484eb61d1172df4d2064491f5dc674372185bffbe658330df7f3536de45
SSDEEP

1536:UkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg4HuS4hcTO97v7UYdEJmc:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgq

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://cointrade.world/receipts/0LjXVwpQrhw/

xlm40.dropper

http://www.garantihaliyikama.com/wp-admin/jp64lssPHEe2ii/

xlm40.dropper

http://haircutbar.com/cgi-bin/BC3WAQ8zJY4ALXA4/

xlm40.dropper

http://airhobi.com/system/WLvH1ygkOYQO/

Signatures

Process spawned unexpected child process 4 IoCs

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

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2852	2520	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2880	2520	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2884	2520	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2928	2520	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

Processes:

EXCEL.EXEregsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

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

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
2520	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid	Process
2520	EXCEL.EXE
2520	EXCEL.EXE
2520	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

EXCEL.EXE

description	pid	Process	procid_target
PID 2520 wrote to memory of 2852	2520	EXCEL.EXE	32
PID 2520 wrote to memory of 2852	2520	EXCEL.EXE	32
PID 2520 wrote to memory of 2852	2520	EXCEL.EXE	32
PID 2520 wrote to memory of 2852	2520	EXCEL.EXE	32
PID 2520 wrote to memory of 2852	2520	EXCEL.EXE	32
PID 2520 wrote to memory of 2852	2520	EXCEL.EXE	32
PID 2520 wrote to memory of 2852	2520	EXCEL.EXE	32
PID 2520 wrote to memory of 2880	2520	EXCEL.EXE	33
PID 2520 wrote to memory of 2880	2520	EXCEL.EXE	33
PID 2520 wrote to memory of 2880	2520	EXCEL.EXE	33
PID 2520 wrote to memory of 2880	2520	EXCEL.EXE	33
PID 2520 wrote to memory of 2880	2520	EXCEL.EXE	33
PID 2520 wrote to memory of 2880	2520	EXCEL.EXE	33
PID 2520 wrote to memory of 2880	2520	EXCEL.EXE	33
PID 2520 wrote to memory of 2884	2520	EXCEL.EXE	34
PID 2520 wrote to memory of 2884	2520	EXCEL.EXE	34
PID 2520 wrote to memory of 2884	2520	EXCEL.EXE	34
PID 2520 wrote to memory of 2884	2520	EXCEL.EXE	34
PID 2520 wrote to memory of 2884	2520	EXCEL.EXE	34
PID 2520 wrote to memory of 2884	2520	EXCEL.EXE	34
PID 2520 wrote to memory of 2884	2520	EXCEL.EXE	34
PID 2520 wrote to memory of 2928	2520	EXCEL.EXE	35
PID 2520 wrote to memory of 2928	2520	EXCEL.EXE	35
PID 2520 wrote to memory of 2928	2520	EXCEL.EXE	35
PID 2520 wrote to memory of 2928	2520	EXCEL.EXE	35
PID 2520 wrote to memory of 2928	2520	EXCEL.EXE	35
PID 2520 wrote to memory of 2928	2520	EXCEL.EXE	35
PID 2520 wrote to memory of 2928	2520	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\43ad1f8394fc6dde60e7e595e228ca5ac2187e60837d3bb3571bf7ea733704ea.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:2520
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2884
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2928

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6D19C029B37C61177ECC4D41045082DE

Filesize
5B

MD5
5bfa51f3a417b98e7443eca90fc94703

SHA1
8c015d80b8a23f780bdd215dc842b0f5551f63bd

SHA256
bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128

SHA512
4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabD76E.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD7FD.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2520-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2520-1-0x00000000729AD000-0x00000000729B8000-memory.dmp

Filesize
44KB

Download
memory/2520-123-0x00000000729AD000-0x00000000729B8000-memory.dmp

Filesize
44KB

Download