d5fa44d671a53d0d782e5cedddd8f5a2f4026ef022b4259c45b8f4fd36770767

Analysis

max time kernel
119s
max time network
127s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 05:10

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General

Target

d5fa44d671a53d0d782e5cedddd8f5a2f4026ef022b4259c45b8f4fd36770767.xls
Size

91KB
MD5

0572c2c8b87e26442b1f4f556a085850
SHA1

0e454bc800c10cda1798d0f2862e85b816f73d30
SHA256

d5fa44d671a53d0d782e5cedddd8f5a2f4026ef022b4259c45b8f4fd36770767
SHA512

304d0d586ed0a95a0a3e0812c69f57e19510181109be7942bcf0b4164bfa5eeb5ed03b87c1bc60055593be1329e11f2237f20e142d5d905a0c1c0d78ea2d0b47
SSDEEP

1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgqbCXuZH4gb4CEn9J4Z3z3:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgG

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.conceptagency.net/css/b8eaKN/

xlm40.dropper

https://bencevendeghaz.hu/2zjoi/cwfKJOzA/

xlm40.dropper

http://45.32.114.141/xilte/Uqm6Eysf3Hkjwh/

xlm40.dropper

http://ruitaiwz.com/wp-admin/MXlp5IsUKwT1k0DtzT/

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	2648	2436	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2976	2436	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	572	2436	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2564	2436	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	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
2436	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2648	2436	EXCEL.EXE	32
PID 2436 wrote to memory of 2648	2436	EXCEL.EXE	32
PID 2436 wrote to memory of 2648	2436	EXCEL.EXE	32
PID 2436 wrote to memory of 2648	2436	EXCEL.EXE	32
PID 2436 wrote to memory of 2648	2436	EXCEL.EXE	32
PID 2436 wrote to memory of 2648	2436	EXCEL.EXE	32
PID 2436 wrote to memory of 2648	2436	EXCEL.EXE	32
PID 2436 wrote to memory of 2976	2436	EXCEL.EXE	33
PID 2436 wrote to memory of 2976	2436	EXCEL.EXE	33
PID 2436 wrote to memory of 2976	2436	EXCEL.EXE	33
PID 2436 wrote to memory of 2976	2436	EXCEL.EXE	33
PID 2436 wrote to memory of 2976	2436	EXCEL.EXE	33
PID 2436 wrote to memory of 2976	2436	EXCEL.EXE	33
PID 2436 wrote to memory of 2976	2436	EXCEL.EXE	33
PID 2436 wrote to memory of 572	2436	EXCEL.EXE	34
PID 2436 wrote to memory of 572	2436	EXCEL.EXE	34
PID 2436 wrote to memory of 572	2436	EXCEL.EXE	34
PID 2436 wrote to memory of 572	2436	EXCEL.EXE	34
PID 2436 wrote to memory of 572	2436	EXCEL.EXE	34
PID 2436 wrote to memory of 572	2436	EXCEL.EXE	34
PID 2436 wrote to memory of 572	2436	EXCEL.EXE	34
PID 2436 wrote to memory of 2564	2436	EXCEL.EXE	35
PID 2436 wrote to memory of 2564	2436	EXCEL.EXE	35
PID 2436 wrote to memory of 2564	2436	EXCEL.EXE	35
PID 2436 wrote to memory of 2564	2436	EXCEL.EXE	35
PID 2436 wrote to memory of 2564	2436	EXCEL.EXE	35
PID 2436 wrote to memory of 2564	2436	EXCEL.EXE	35
PID 2436 wrote to memory of 2564	2436	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\d5fa44d671a53d0d782e5cedddd8f5a2f4026ef022b4259c45b8f4fd36770767.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:2436
- 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:2648
- 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:2976
- 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:572
- 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:2564

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\AppData\Local\Temp\CabF589.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarF731.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\elv2.ooocccxxx

Filesize
26B

MD5
a413a6b0b4dd25a2a341cf13becce672

SHA1
5c18a31678ccb7d09ada7242a6d4ed6164b2ebac

SHA256
2e2f8ccc18ba3718965719e20d1f561c7a872a1ea50214ad3ba0ed0fe5fd19e3

SHA512
aa70031875406f0f167f995097ca6116ffeaea941aeabc88a2e136f22d81402b7aea510bcd0846d0b3bae949830210c8f731cc98d8d4b0cdb12be7eaa01b81e9

Download Submit
C:\Users\Admin\elv4.ooocccxxx

Filesize
1KB

MD5
da2db6ebaff9ef9c86ed950bda86ec9a

SHA1
311eadfc5527f133fbc6579da74c9214588c0851

SHA256
60bc9ccaac5f5c75ce2f9129324e753846b91767a5d1d6e578a968757a27d8ae

SHA512
d9c2eeb2089ceafbef24d5508cff8d300396215f59ad1aa33a234ecf50a2fe3d95a0aeb41b0cd9deff2206b27501228fb2a775b25563adcacd2caf499eab2036

Download Submit
memory/2436-1-0x0000000072D4D000-0x0000000072D58000-memory.dmp

Filesize
44KB

Download
memory/2436-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2436-58-0x0000000072D4D000-0x0000000072D58000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads