07b7604fcf0c4c8e048338fa4c582908512a4873656e341d115b4a711f865382

General

Target

07b7604fcf0c4c8e048338fa4c582908512a4873656e341d115b4a711f865382.xls
Size

94KB
MD5

c724ab3610b9976007d8767a8bd40db2
SHA1

c7be66c40f06601ec89a3f7efe25f37792eae492
SHA256

07b7604fcf0c4c8e048338fa4c582908512a4873656e341d115b4a711f865382
SHA512

76985314499152107c816ba78f9d62f22d1bc988c810d8bce78a2b2a1a34a460e83578b7d740f675dc4aedcc526419bec7e1cfaea9a6eef7cd8c2972a329f372
SSDEEP

1536:JsKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgSUZx6FyxC3YGbl7BgWDFsqtNhWmDJdWB:6Kpb8rGYrMPe3q7Q0XV5xtezEsi8/dg5

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://bosny.com/aspnet_client/NGTx1FUzq/

xlm40.dropper

https://www.berekethaber.com/hatax/c7crGdejW4380ORuxqR/

xlm40.dropper

https://bulldogironworksllc.com/temp/BBh5HHpei/

Signatures

Process spawned unexpected child process 3 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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4128	1448	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1396	1448	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1652	1448	regsvr32.exe	81

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1448	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1448	EXCEL.EXE
1448	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
1448	EXCEL.EXE
1448	EXCEL.EXE
1448	EXCEL.EXE
1448	EXCEL.EXE
1448	EXCEL.EXE
1448	EXCEL.EXE
1448	EXCEL.EXE
1448	EXCEL.EXE
1448	EXCEL.EXE
1448	EXCEL.EXE
1448	EXCEL.EXE
1448	EXCEL.EXE
1448	EXCEL.EXE
1448	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 4128	1448	EXCEL.EXE	90
PID 1448 wrote to memory of 4128	1448	EXCEL.EXE	90
PID 1448 wrote to memory of 1396	1448	EXCEL.EXE	91
PID 1448 wrote to memory of 1396	1448	EXCEL.EXE	91
PID 1448 wrote to memory of 1652	1448	EXCEL.EXE	92
PID 1448 wrote to memory of 1652	1448	EXCEL.EXE	92

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\07b7604fcf0c4c8e048338fa4c582908512a4873656e341d115b4a711f865382.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 C:\Uduw\soam1.OCX
  2⤵
  - Process spawned unexpected child process
  PID:4128
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 C:\Uduw\soam2.OCX
  2⤵
  - Process spawned unexpected child process
  PID:1396
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 C:\Uduw\soam3.OCX
  2⤵
  - Process spawned unexpected child process
  PID:1652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1448-1-0x00007FFF26690000-0x00007FFF266A0000-memory.dmp

Filesize
64KB

Download
memory/1448-0-0x00007FFF26690000-0x00007FFF266A0000-memory.dmp

Filesize
64KB

Download
memory/1448-3-0x00007FFF666AD000-0x00007FFF666AE000-memory.dmp

Filesize
4KB

Download
memory/1448-2-0x00007FFF26690000-0x00007FFF266A0000-memory.dmp

Filesize
64KB

Download
memory/1448-5-0x00007FFF66610000-0x00007FFF66805000-memory.dmp

Filesize
2.0MB

Download
memory/1448-7-0x00007FFF26690000-0x00007FFF266A0000-memory.dmp

Filesize
64KB

Download
memory/1448-4-0x00007FFF26690000-0x00007FFF266A0000-memory.dmp

Filesize
64KB

Download
memory/1448-6-0x00007FFF66610000-0x00007FFF66805000-memory.dmp

Filesize
2.0MB

Download
memory/1448-11-0x00007FFF66610000-0x00007FFF66805000-memory.dmp

Filesize
2.0MB

Download
memory/1448-10-0x00007FFF66610000-0x00007FFF66805000-memory.dmp

Filesize
2.0MB

Download
memory/1448-12-0x00007FFF66610000-0x00007FFF66805000-memory.dmp

Filesize
2.0MB

Download
memory/1448-9-0x00007FFF66610000-0x00007FFF66805000-memory.dmp

Filesize
2.0MB

Download
memory/1448-8-0x00007FFF66610000-0x00007FFF66805000-memory.dmp

Filesize
2.0MB

Download
memory/1448-13-0x00007FFF23D30000-0x00007FFF23D40000-memory.dmp

Filesize
64KB

Download
memory/1448-16-0x00007FFF66610000-0x00007FFF66805000-memory.dmp

Filesize
2.0MB

Download
memory/1448-15-0x00007FFF66610000-0x00007FFF66805000-memory.dmp

Filesize
2.0MB

Download
memory/1448-14-0x00007FFF66610000-0x00007FFF66805000-memory.dmp

Filesize
2.0MB

Download
memory/1448-17-0x00007FFF23D30000-0x00007FFF23D40000-memory.dmp

Filesize
64KB

Download
memory/1448-39-0x00007FFF66610000-0x00007FFF66805000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads