471f3fb1a953fab38be3081eb835574694bc72b94f239edc400d1ce3d7a8ecb0

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 09:21

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General

Target

76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe
Size

89KB
MD5

0af473977e2b58a3630dc2bd59245127
SHA1

6b1086070e0918c428b4f6688fe2760c9ab9dfea
SHA256

76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2
SHA512

d2f001ed413538368597585483c6745ab1bec058e227ada41937b75435f9456135b876e0ce40249389448b9769a37c3c06233c0d648cfaf9f613e42ad0b92450
SSDEEP

1536:ef/SovFSSZtDgN+DpDkDEFtC+YF8965L+v:I/zv0SZtDgN+Dp+ErYF896W

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer_new.exe"	76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\bjqxqhipzoyaqqp = "C:\\Windows\\pgcmfgtvdutxwsarfipi.exe"	76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bjqxqhipzoyaqqp = "C:\\Windows\\pgcmfgtvdutxwsarfipi.exe"	76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\bjqxqhipzoyaqqp = "C:\\ProgramData\\pgcmfgtvdutxwsarfipi.exe"	76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bjqxqhipzoyaqqp = "C:\\ProgramData\\pgcmfgtvdutxwsarfipi.exe"	76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe

Drops file in Windows directory 3 IoCs

Processes:

76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe

description	ioc	Process
File created	C:\Windows\pgcmfgtvdutxwsarfipi.exe	76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe
File opened for modification	C:\Windows\pgcmfgtvdutxwsarfipi.exe	76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe
File created	C:\Windows\explorer_new.exe	76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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:

76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe

C:\Users\Admin\AppData\Local\Temp\76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe
"C:\Users\Admin\AppData\Local\Temp\76fe72e0ecdc389b5749df5fe406cb70110b1ef8b64e51cf0a96da2fa2ec5eb2_not_packed_maybe_useless.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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

C:\ProgramData\ujvkmgmumwudlbxryzukhjdqxwxbxuus

Filesize
16B

MD5
fd7d277494c568f5b68037afce3aaf3c

SHA1
7d5f6c25c6b61b4f5a931cc79029c087127ea92c

SHA256
900600b3e4a3c1d0ef19366c9c237351be947633429157354aa9d7d5de9ec4ee

SHA512
08b97e5ba49f4f1abd365493d50853e0b043f757fbf005e24899ec44e9bf38c3805983743e115440b22f360c843302929b71c928529776a9dfbf081fa4731713

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