9c733d050455dd447c943be4db2a5d777b5feba01fea6a8bb4411eed1146e7eb

General

Target

9c733d050455dd447c943be4db2a5d777b5feba01fea6a8bb4411eed1146e7eb.xls
Size

96KB
MD5

b278f81a09caeaa8d8ed6e877fd548cd
SHA1

04dc8560817a6b5e18c98ff67dbbc34e9f379b05
SHA256

9c733d050455dd447c943be4db2a5d777b5feba01fea6a8bb4411eed1146e7eb
SHA512

842eb1804b61b5f35614c07a5d97c7f0398b008b7d39d29d736ee3027256d8c29412f663e8624815e01f2929df4dc31c63413c7bc296f8d67025b0e00d71ab3f
SSDEEP

1536:7kKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2HuS4hcTO97v7UYdEJmE:IKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgA

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://atperson.com/campusvirtual/EOgFGo17w/

xlm40.dropper

https://eliteturismo.com/phpmailer-old/dafdBxQONtk5Uf9dxll/

xlm40.dropper

http://atici.net/c/JDFDBMIz/

xlm40.dropper

http://domesticuif.co.za/libraries/nbnH9dpd/

Signatures

Process spawned unexpected child process 4 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2720	1632	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2996	1632	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2968	1632	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1860	1632	regsvr32.exe	EXCEL.EXE

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

Processes:

EXCEL.EXEregsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

description	ioc	process
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
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

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1632 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1632 EXCEL.EXE
1632 EXCEL.EXE
1632 EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

pid	process
1632	EXCEL.EXE

pid	process
1632	EXCEL.EXE
1632	EXCEL.EXE
1632	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1632 wrote to memory of 2720	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2720	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2720	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2720	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2720	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2720	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2720	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2996	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2996	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2996	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2996	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2996	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2996	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2996	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2968	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2968	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2968	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2968	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2968	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2968	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 2968	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 1860	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 1860	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 1860	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 1860	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 1860	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 1860	1632	EXCEL.EXE	regsvr32.exe
PID 1632 wrote to memory of 1860	1632	EXCEL.EXE	regsvr32.exe

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\9c733d050455dd447c943be4db2a5d777b5feba01fea6a8bb4411eed1146e7eb.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:1632
- 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:2720
- 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:2996
- 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:2968
- 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:1860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabF25D.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarF270.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1632-1-0x000000007263D000-0x0000000072648000-memory.dmp

Filesize
44KB

Download
memory/1632-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1632-125-0x000000007263D000-0x0000000072648000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads