a5af777e48122519acfda151708cc32c2eb8c02f6aaff045126e0bd2ac1d164e

Analysis

max time kernel
141s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 21:03

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General

Target

a5af777e48122519acfda151708cc32c2eb8c02f6aaff045126e0bd2ac1d164e.xls
Size

96KB
MD5

f03258d32d6073b71a91c11e5c1b4db2
SHA1

12f6bac9371f39eaf11e1ab00ea1b6c701771f8e
SHA256

a5af777e48122519acfda151708cc32c2eb8c02f6aaff045126e0bd2ac1d164e
SHA512

99139c260fd4307eef25cbd96d5d0b8dfeb0ee6404bc60ba0a530f7caeaf5d00f7e0f9f1a867922badf999228e35c95f4ad7435c87d2d24291acf39f750178a1
SSDEEP

1536:7kKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg4jHuS4hcTO97v7UYdEJm3m:IKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://fisika.mipa.uns.ac.id/reseller/img/nRAvAgoY8Y/

xlm40.dropper

http://greycoconut.com/edm/71qUA/

xlm40.dropper

http://zonainformatica.es/tienda/XCHJmidSYTkE/

xlm40.dropper

http://balletmagazine.ro/wp-content/9VrMPV/

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	1968	1736	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2852	1736	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2548	1736	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2856	1736	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	EXCEL.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
1736	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1736	EXCEL.EXE
1736	EXCEL.EXE
1736	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 1968	1736	EXCEL.EXE	32
PID 1736 wrote to memory of 1968	1736	EXCEL.EXE	32
PID 1736 wrote to memory of 1968	1736	EXCEL.EXE	32
PID 1736 wrote to memory of 1968	1736	EXCEL.EXE	32
PID 1736 wrote to memory of 1968	1736	EXCEL.EXE	32
PID 1736 wrote to memory of 1968	1736	EXCEL.EXE	32
PID 1736 wrote to memory of 1968	1736	EXCEL.EXE	32
PID 1736 wrote to memory of 2852	1736	EXCEL.EXE	33
PID 1736 wrote to memory of 2852	1736	EXCEL.EXE	33
PID 1736 wrote to memory of 2852	1736	EXCEL.EXE	33
PID 1736 wrote to memory of 2852	1736	EXCEL.EXE	33
PID 1736 wrote to memory of 2852	1736	EXCEL.EXE	33
PID 1736 wrote to memory of 2852	1736	EXCEL.EXE	33
PID 1736 wrote to memory of 2852	1736	EXCEL.EXE	33
PID 1736 wrote to memory of 2548	1736	EXCEL.EXE	34
PID 1736 wrote to memory of 2548	1736	EXCEL.EXE	34
PID 1736 wrote to memory of 2548	1736	EXCEL.EXE	34
PID 1736 wrote to memory of 2548	1736	EXCEL.EXE	34
PID 1736 wrote to memory of 2548	1736	EXCEL.EXE	34
PID 1736 wrote to memory of 2548	1736	EXCEL.EXE	34
PID 1736 wrote to memory of 2548	1736	EXCEL.EXE	34
PID 1736 wrote to memory of 2856	1736	EXCEL.EXE	35
PID 1736 wrote to memory of 2856	1736	EXCEL.EXE	35
PID 1736 wrote to memory of 2856	1736	EXCEL.EXE	35
PID 1736 wrote to memory of 2856	1736	EXCEL.EXE	35
PID 1736 wrote to memory of 2856	1736	EXCEL.EXE	35
PID 1736 wrote to memory of 2856	1736	EXCEL.EXE	35
PID 1736 wrote to memory of 2856	1736	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\a5af777e48122519acfda151708cc32c2eb8c02f6aaff045126e0bd2ac1d164e.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:1736
- 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:1968
- 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:2852
- 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:2548
- 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:2856

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\soci2.ocx

Filesize
36KB

MD5
3b79e62476916ff33ddc0668a0898e6d

SHA1
fe4f73a8019a0407cec5e2eb0c344adc4ab73bae

SHA256
418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81

SHA512
3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa

Download Submit
memory/1736-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1736-1-0x000000007295D000-0x0000000072968000-memory.dmp

Filesize
44KB

Download
memory/1736-18-0x000000007295D000-0x0000000072968000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads