595ed23465651a271ccc807e5526a4f43f09defb6c85f1c930ae4061c0498903

Analysis

max time kernel
141s
max time network
144s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 22:09

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General

Target

595ed23465651a271ccc807e5526a4f43f09defb6c85f1c930ae4061c0498903.xls
Size

51KB
MD5

d1bf28ef721b854cf58ed7378092bbd2
SHA1

28df89fe14a0a7bd02b46cc220bc4b14e4d08541
SHA256

595ed23465651a271ccc807e5526a4f43f09defb6c85f1c930ae4061c0498903
SHA512

de7ade732083f5ecb695e8958d7f23ecd079c0a6627668cb2c791d4dd6663fc580c94a6e6c0b860335c01455af745a7842ad1b40465f0dfc5c3c57dec3a85277
SSDEEP

1536:ORKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+/43SaT3h86rdKRFvE:UKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMt

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://bsprabodhini.org/content/BwV8Kq1EUUT5mlon5MD/

xlm40.dropper

https://bb2play.com/wzzx/VcaXG4LsR7mOWebAI/

xlm40.dropper

http://futaba.youchien.net/wp-content/AJ0vdv/

xlm40.dropper

http://www.crazy97.com/wp-includes/VRppRwDg2dBW2NcQASF/

xlm40.dropper

http://46.4.78.202/wp-content/xOvCgoYFAIVjwy6I/

xlm40.dropper

http://britainsolicitors.com/wp-admin/2ysGFKDbYP5sJB0Xg/

Signatures

Process spawned unexpected child process 1 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	2944	2064	regsvr32.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.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
2064	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2064	EXCEL.EXE
2064	EXCEL.EXE
2064	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2944	2064	EXCEL.EXE	32
PID 2064 wrote to memory of 2944	2064	EXCEL.EXE	32
PID 2064 wrote to memory of 2944	2064	EXCEL.EXE	32
PID 2064 wrote to memory of 2944	2064	EXCEL.EXE	32
PID 2064 wrote to memory of 2944	2064	EXCEL.EXE	32
PID 2064 wrote to memory of 2944	2064	EXCEL.EXE	32
PID 2064 wrote to memory of 2944	2064	EXCEL.EXE	32

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\595ed23465651a271ccc807e5526a4f43f09defb6c85f1c930ae4061c0498903.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:2064
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\xewn.dll
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2944

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\xewn.dll

Filesize
114B

MD5
e89f75f918dbdcee28604d4e09dd71d7

SHA1
f9d9055e9878723a12063b47d4a1a5f58c3eb1e9

SHA256
6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023

SHA512
8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0

Download Submit
memory/2064-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2064-1-0x000000007209D000-0x00000000720A8000-memory.dmp

Filesize
44KB

Download
memory/2064-15-0x000000007209D000-0x00000000720A8000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads