90fde9ca83ac86a83f715e4f669a343ec0d4f2b10afe3d0c311a23646d483e10

General

Target

90fde9ca83ac86a83f715e4f669a343ec0d4f2b10afe3d0c311a23646d483e10.xls
Size

70KB
MD5

daf8bdfc3904cb064f5cab8f1ffd223d
SHA1

ae4155d6d34dd126647ed6735b223b15ccf1c277
SHA256

90fde9ca83ac86a83f715e4f669a343ec0d4f2b10afe3d0c311a23646d483e10
SHA512

f9cf93eeeb78189aae50b614793b9841f7d27ee10beadda20be9837a4ad26947e5499f87580ba57879a478bd661e3f5280623dc4d0cbc16290f9030ed130a05c
SSDEEP

1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+e+hDcnTLiQrRTZws8Egk:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMx

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://strachanclark.com/images/3gc4qCpSFYbBMDEC/

xlm40.dropper

https://synapse-archive.com/images/bKaMr/

xlm40.dropper

https://sumuvesa.com/wp-includes/rgL/

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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2816	2116	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	264	2116	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1132	2116	regsvr32.exe	29

System Location Discovery: System Language Discovery 1 TTPs 4 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	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
2116	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2116	EXCEL.EXE
2116	EXCEL.EXE
2116	EXCEL.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2816	2116	EXCEL.EXE	30
PID 2116 wrote to memory of 2816	2116	EXCEL.EXE	30
PID 2116 wrote to memory of 2816	2116	EXCEL.EXE	30
PID 2116 wrote to memory of 2816	2116	EXCEL.EXE	30
PID 2116 wrote to memory of 2816	2116	EXCEL.EXE	30
PID 2116 wrote to memory of 2816	2116	EXCEL.EXE	30
PID 2116 wrote to memory of 2816	2116	EXCEL.EXE	30
PID 2116 wrote to memory of 264	2116	EXCEL.EXE	32
PID 2116 wrote to memory of 264	2116	EXCEL.EXE	32
PID 2116 wrote to memory of 264	2116	EXCEL.EXE	32
PID 2116 wrote to memory of 264	2116	EXCEL.EXE	32
PID 2116 wrote to memory of 264	2116	EXCEL.EXE	32
PID 2116 wrote to memory of 264	2116	EXCEL.EXE	32
PID 2116 wrote to memory of 264	2116	EXCEL.EXE	32
PID 2116 wrote to memory of 1132	2116	EXCEL.EXE	33
PID 2116 wrote to memory of 1132	2116	EXCEL.EXE	33
PID 2116 wrote to memory of 1132	2116	EXCEL.EXE	33
PID 2116 wrote to memory of 1132	2116	EXCEL.EXE	33
PID 2116 wrote to memory of 1132	2116	EXCEL.EXE	33
PID 2116 wrote to memory of 1132	2116	EXCEL.EXE	33
PID 2116 wrote to memory of 1132	2116	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\90fde9ca83ac86a83f715e4f669a343ec0d4f2b10afe3d0c311a23646d483e10.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:2116
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:264
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:1132

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\CabA7D6.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA8F2.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2116-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2116-1-0x0000000072C3D000-0x0000000072C48000-memory.dmp

Filesize
44KB

Download
memory/2116-65-0x0000000072C3D000-0x0000000072C48000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads