13af3ad92eb86c2c95c816ac526b97c78e0aaed46535c61bf363d768bb2cb0c9

Analysis

max time kernel
95s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 20:05

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General

Target
Factura_855.pdf.exe
Size 214KB
Sample241121-yvb7da1jdp
SHA256 498cbaa02846904c60c9a349f49bc72a046d1cd686d858286f33cfcf39716215
MD5 fbcc50e49a03f6b2469352851fcc0800
SHA1 63f99919354e58010819251556f5ace361b7c390
SHA512 d7080f1d75a1f88d56d24da1f8d132625236a6057f5d0571bcac387afa27c2a294983d3df952bea8592812415d4210f4136f5a367b4cf81883e3d487c580b7f7
SSDEEP 6144:HNeZmOQDVfP9e6oAzSI/2Cou2L2YlOPrYbihN:HNlOQZP9e6RzS5c2LZcUU
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
808	qfmjhb.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4836	808	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	Factura_855.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qfmjhb.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 808	3300	Factura_855.pdf.exe	82
PID 3300 wrote to memory of 808	3300	Factura_855.pdf.exe	82
PID 3300 wrote to memory of 808	3300	Factura_855.pdf.exe	82
PID 808 wrote to memory of 1528	808	qfmjhb.exe	84
PID 808 wrote to memory of 1528	808	qfmjhb.exe	84
PID 808 wrote to memory of 1528	808	qfmjhb.exe	84

C:\Users\Admin\AppData\Local\Temp\Factura_855.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Factura_855.pdf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3300
- C:\Users\Admin\AppData\Local\Temp\qfmjhb.exe
  C:\Users\Admin\AppData\Local\Temp\qfmjhb.exe C:\Users\Admin\AppData\Local\Temp\yqmxitinks
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:808
- - C:\Users\Admin\AppData\Local\Temp\qfmjhb.exe
    C:\Users\Admin\AppData\Local\Temp\qfmjhb.exe C:\Users\Admin\AppData\Local\Temp\yqmxitinks
    3⤵
    PID:1528
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 808 -s 584
    3⤵
    - Program crash
    PID:4836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 808 -ip 808
1⤵
PID:2188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

ncbe92xxyz7k26e4s88j

Path C:\Users\Admin\AppData\Local\Temp\ncbe92xxyz7k26e4s88j
Size 184KB
SHA256 d9f4d5de73452115d9acdccda02398bc5c5a2b4b99d6dc5d8feea4584856cf53
MD5 d55278f3c9ddd6df247d043d0f4d334e
SHA1 2aa2b417aa8897935f5cc77ab8a7617ef8d75861
SHA512 1bf4175795d93a4d0c6dc7a7acefb15204558087d9f918ddb3de2caaf2d67fd63785bee2f7a6f3aafa025f7ccafeb4043403dc18728633fd1abab27b6820e732
SSDEEP 3072:3z8P0vYg6rphMwKvrkloD/HDwvmsid7D/rs9dxynKGVTfVPXOG4YOFxjJcASfMYk:j1QJ3MwKv+oTH0vRid7D/rqITfgpj7a6
MD5 SHA1 SHA512 SSDEEP

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qfmjhb.exe

Path C:\Users\Admin\AppData\Local\Temp\qfmjhb.exe
Size 5KB
SHA256 0487ed5d2a046ee552e410b5c9b3cf27eb0c3b369fecff3132c58e57eb1c0ad8
MD5 d93c0902c13f3f17012c2778fd24b009
SHA1 7ad3d53210ce587d2195545115c9086457a14623
SHA512 4cb2d5beb7ed5532819bd96c92000c9e12f145d37cdd2ad4dec3f67ce74107c4a00fb850700015168ef6c2620277c237de3a2c279a99150ed46a3d0b5905fc3a
SSDEEP 96:jYRTsfPD1niVZnEQ1TfHP97HzJcpLLWPOoyn:jYRIPDwVF15fV79qLSPOoyn
MD5 SHA1 SHA512 SSDEEP

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yqmxitinks

Path C:\Users\Admin\AppData\Local\Temp\yqmxitinks
Size 5KB
SHA256 dd31e7b319d3acfe238866035e0dfe514fc55efe7343e1e13421dd32d20b8f80
MD5 7c7487f9e5f0a2b42c974896825d06e5
SHA1 d29382ebaae67bf9de891ad00adb795963ef8967
SHA512 913039ce08f36b0664657bcf70b77238656810e96154f890f42daeff7b60cc304751a457b98cf2adacbe701eee27e358487a7be6c4d723c7e39d51bc43fdae9f
SSDEEP 96:DBM9Lx1Q3JXlQNnG74CE7t1jSFEGCxQBvfq0bDGmDHErH:1M1xW5SGcp1mNQQ9jfGmYj
MD5 SHA1 SHA512 SSDEEP

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memory/808-8-0x0000000002020000-0x0000000002022000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads