fd1b54bbb4f13d431804241df3a6530ce034998776ed94e2a6e35ddb5183c7f6

Analysis

max time kernel
142s
max time network
146s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 05:20

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General

Target

fd1b54bbb4f13d431804241df3a6530ce034998776ed94e2a6e35ddb5183c7f6.xls
Size

67KB
MD5

42c7f22cb69f30a590c3def5bd4fd5b7
SHA1

e75f18ef1d47c6d8051576a10d533487b72a75c0
SHA256

fd1b54bbb4f13d431804241df3a6530ce034998776ed94e2a6e35ddb5183c7f6
SHA512

b0ec483f2f9c51cfa1ba4c536b8cc4536a6fe66408898a5777288009f10f341388564510369ccc4c36f3524169b17a5ac9d754583696c9ee07503333c7dfd2f1
SSDEEP

1536:5VKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+y9s1a6YG2jzQ0viPvDNHh9ey:fKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMw

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://learnviaonline.com/wp-admin/qGb/

xlm40.dropper

http://kolejleri.com/wp-admin/REvup/

xlm40.dropper

http://stainedglassexpress.com/classes/05SkiiW9y4DDGvb6/

xlm40.dropper

http://milanstaffing.com/images/D4TRnDubF/

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	2872	2220	regsvr32.exe	28
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2072	2220	regsvr32.exe	28
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2572	2220	regsvr32.exe	28
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2560	2220	regsvr32.exe	28

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	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

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
2220	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2220	EXCEL.EXE
2220	EXCEL.EXE
2220	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2872	2220	EXCEL.EXE	29
PID 2220 wrote to memory of 2872	2220	EXCEL.EXE	29
PID 2220 wrote to memory of 2872	2220	EXCEL.EXE	29
PID 2220 wrote to memory of 2872	2220	EXCEL.EXE	29
PID 2220 wrote to memory of 2872	2220	EXCEL.EXE	29
PID 2220 wrote to memory of 2872	2220	EXCEL.EXE	29
PID 2220 wrote to memory of 2872	2220	EXCEL.EXE	29
PID 2220 wrote to memory of 2072	2220	EXCEL.EXE	30
PID 2220 wrote to memory of 2072	2220	EXCEL.EXE	30
PID 2220 wrote to memory of 2072	2220	EXCEL.EXE	30
PID 2220 wrote to memory of 2072	2220	EXCEL.EXE	30
PID 2220 wrote to memory of 2072	2220	EXCEL.EXE	30
PID 2220 wrote to memory of 2072	2220	EXCEL.EXE	30
PID 2220 wrote to memory of 2072	2220	EXCEL.EXE	30
PID 2220 wrote to memory of 2572	2220	EXCEL.EXE	32
PID 2220 wrote to memory of 2572	2220	EXCEL.EXE	32
PID 2220 wrote to memory of 2572	2220	EXCEL.EXE	32
PID 2220 wrote to memory of 2572	2220	EXCEL.EXE	32
PID 2220 wrote to memory of 2572	2220	EXCEL.EXE	32
PID 2220 wrote to memory of 2572	2220	EXCEL.EXE	32
PID 2220 wrote to memory of 2572	2220	EXCEL.EXE	32
PID 2220 wrote to memory of 2560	2220	EXCEL.EXE	33
PID 2220 wrote to memory of 2560	2220	EXCEL.EXE	33
PID 2220 wrote to memory of 2560	2220	EXCEL.EXE	33
PID 2220 wrote to memory of 2560	2220	EXCEL.EXE	33
PID 2220 wrote to memory of 2560	2220	EXCEL.EXE	33
PID 2220 wrote to memory of 2560	2220	EXCEL.EXE	33
PID 2220 wrote to memory of 2560	2220	EXCEL.EXE	33

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\fd1b54bbb4f13d431804241df3a6530ce034998776ed94e2a6e35ddb5183c7f6.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:2220
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2872
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr2.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2072
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr3.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2572
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr4.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2560

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\uxevr2.ocx

Filesize
24KB

MD5
696b37e5f65f42150e9ce7d2fa9649c4

SHA1
b3ec9f88acdfefa8fa31bf9b3693ce1af7b3456b

SHA256
add4f11a097ff166abe02104707e80f4394fc2ef39b32e7824376ded9fbf57fa

SHA512
01e0ca392973335c07b8af182a7cc565de00b6174b3d21f527cad180be14e7ee896b89f0a1027f37fc232a2d6365d67bb7fbcbcad3b9ac323375872524f5e25f

Download Submit
memory/2220-1-0x000000007241D000-0x0000000072428000-memory.dmp

Filesize
44KB

Download
memory/2220-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2220-27-0x000000007241D000-0x0000000072428000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads