78bccdfce650d1b0c3023ed1cf7174625e88af831865a926c927a320c1177e10

General

Target

Account-1579644703.xls
Size

534KB
MD5

65a32f108d3c8a6cc8d7813b9892a952
SHA1

58f1ec7f794a717acfef21f2e1718a80e76d41c5
SHA256

6410cdf429baab84d583828623814316317029059eb46d8eab9a755bf234c612
SHA512

5a9e430794bee2f27dd376f98617a718702600d4ef1a069c16da895c0848c2d3b5372ebf9a7fe5dec5a32427503433bef52bd42349a0b65b995175d80054b84a
SSDEEP

12288:+z7yduBV3IpMiw44f6Mw4ntMe5AofygCuOqPLkH5:mMuBVfQMwe51HCuZPQ

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://194.36.191.30/45666.6096425926.dat

xlm40.dropper

http://23.106.122.40/45666.6096425926.dat

xlm40.dropper

http://94.140.112.52/45666.6096425926.dat

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	4340	3172	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4888	3172	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3524	3172	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3172	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 4340	3172	EXCEL.EXE	94
PID 3172 wrote to memory of 4340	3172	EXCEL.EXE	94
PID 3172 wrote to memory of 4888	3172	EXCEL.EXE	95
PID 3172 wrote to memory of 4888	3172	EXCEL.EXE	95
PID 3172 wrote to memory of 3524	3172	EXCEL.EXE	96
PID 3172 wrote to memory of 3524	3172	EXCEL.EXE	96

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Account-1579644703.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 -silent ..\Celod.wac
  2⤵
  - Process spawned unexpected child process
  PID:4340
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 -silent ..\Celod.wac1
  2⤵
  - Process spawned unexpected child process
  PID:4888
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 -silent ..\Celod.wac2
  2⤵
  - Process spawned unexpected child process
  PID:3524

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
ad0f900981c83f875bf0e0d87a6e08c4

SHA1
5e26bf0e78eb745f0a6dab82bfc47f7d210bea92

SHA256
04ff5356d48d44ab9b971506cddfc18268b053e31160aa3a04233b0e17e58be6

SHA512
062b2842ce4004b764bd0d642958172159a3e25269efa76ece2e33a2cebaea3933badb8bbb906f1ba2848024e973fa478af394bfc2f8179a52ffcb51360f5184

Download Submit
memory/3172-7-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-1-0x00007FF93656D000-0x00007FF93656E000-memory.dmp

Filesize
4KB

Download
memory/3172-8-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-2-0x00007FF8F6550000-0x00007FF8F6560000-memory.dmp

Filesize
64KB

Download
memory/3172-5-0x00007FF8F6550000-0x00007FF8F6560000-memory.dmp

Filesize
64KB

Download
memory/3172-9-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-11-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-12-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-13-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-10-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-14-0x00007FF8F4420000-0x00007FF8F4430000-memory.dmp

Filesize
64KB

Download
memory/3172-15-0x00007FF8F4420000-0x00007FF8F4430000-memory.dmp

Filesize
64KB

Download
memory/3172-4-0x00007FF8F6550000-0x00007FF8F6560000-memory.dmp

Filesize
64KB

Download
memory/3172-3-0x00007FF8F6550000-0x00007FF8F6560000-memory.dmp

Filesize
64KB

Download
memory/3172-37-0x00007FF93656D000-0x00007FF93656E000-memory.dmp

Filesize
4KB

Download
memory/3172-27-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-28-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-25-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-29-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-30-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-36-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-6-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-38-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-39-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-43-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-44-0x00007FF9364D0000-0x00007FF9366C5000-memory.dmp

Filesize
2.0MB

Download
memory/3172-0-0x00007FF8F6550000-0x00007FF8F6560000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads