3a8aa30d14f6aa4b7830f6b8272f0d28d8c90be2ed57b0185cb9abb4ad276ade

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 09:41

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General

Target

3a8aa30d14f6aa4b7830f6b8272f0d28d8c90be2ed57b0185cb9abb4ad276ade.xls
Size

91KB
MD5

c5649a1c0d131de23cfc2fc50d7117b1
SHA1

ed22096d302f8401ec159dcfbcf8d0372c2ff523
SHA256

3a8aa30d14f6aa4b7830f6b8272f0d28d8c90be2ed57b0185cb9abb4ad276ade
SHA512

a44521ac85a0425d56056da806dd0f55709e6f14bf52acb6fb2961bf8c23ea3e54db7d591617dcc47c1e37764746ad5190bf498cc11162774cf97ed7c90e0336
SSDEEP

1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2bCXuZH4gb4CEn9J4Zqcvp:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgi

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://bundlefilm.com/headers/lkfBH3Czw9CjEW07P2/

xlm40.dropper

http://camsanparke.net/wp-content/h2Ja5bwB03hnyfCb/

xlm40.dropper

http://royreid.co.uk/wp-content/dCwG/

xlm40.dropper

https://cs.com.sg/admin/a1lR5wu/

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	2236	1800	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2696	1800	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2800	1800	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2784	1800	regsvr32.exe	30

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	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
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
1800	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1800	EXCEL.EXE
1800	EXCEL.EXE
1800	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2236	1800	EXCEL.EXE	32
PID 1800 wrote to memory of 2236	1800	EXCEL.EXE	32
PID 1800 wrote to memory of 2236	1800	EXCEL.EXE	32
PID 1800 wrote to memory of 2236	1800	EXCEL.EXE	32
PID 1800 wrote to memory of 2236	1800	EXCEL.EXE	32
PID 1800 wrote to memory of 2236	1800	EXCEL.EXE	32
PID 1800 wrote to memory of 2236	1800	EXCEL.EXE	32
PID 1800 wrote to memory of 2696	1800	EXCEL.EXE	33
PID 1800 wrote to memory of 2696	1800	EXCEL.EXE	33
PID 1800 wrote to memory of 2696	1800	EXCEL.EXE	33
PID 1800 wrote to memory of 2696	1800	EXCEL.EXE	33
PID 1800 wrote to memory of 2696	1800	EXCEL.EXE	33
PID 1800 wrote to memory of 2696	1800	EXCEL.EXE	33
PID 1800 wrote to memory of 2696	1800	EXCEL.EXE	33
PID 1800 wrote to memory of 2800	1800	EXCEL.EXE	34
PID 1800 wrote to memory of 2800	1800	EXCEL.EXE	34
PID 1800 wrote to memory of 2800	1800	EXCEL.EXE	34
PID 1800 wrote to memory of 2800	1800	EXCEL.EXE	34
PID 1800 wrote to memory of 2800	1800	EXCEL.EXE	34
PID 1800 wrote to memory of 2800	1800	EXCEL.EXE	34
PID 1800 wrote to memory of 2800	1800	EXCEL.EXE	34
PID 1800 wrote to memory of 2784	1800	EXCEL.EXE	35
PID 1800 wrote to memory of 2784	1800	EXCEL.EXE	35
PID 1800 wrote to memory of 2784	1800	EXCEL.EXE	35
PID 1800 wrote to memory of 2784	1800	EXCEL.EXE	35
PID 1800 wrote to memory of 2784	1800	EXCEL.EXE	35
PID 1800 wrote to memory of 2784	1800	EXCEL.EXE	35
PID 1800 wrote to memory of 2784	1800	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\3a8aa30d14f6aa4b7830f6b8272f0d28d8c90be2ed57b0185cb9abb4ad276ade.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:1800
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2236
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2696
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2784

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

memory/1800-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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memory/1800-1-0x000000007371D000-0x0000000073728000-memory.dmp

Filesize
44KB

Download
memory/1800-2-0x000000007371D000-0x0000000073728000-memory.dmp

Filesize
44KB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads