c41899315b2f3dad512ed1f58746e59fdb2f9717badcf7b2c861c1248d945991

Analysis

max time kernel
150s
max time network
154s
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 03:41

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General

Target

ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe
Size

112KB
MD5

c1fa82712918b9907168593ce4497295
SHA1

dbd20b8fb720fa9735c9b4edce20f819f26f3f15
SHA256

ffdc8e2813a270f45ebd2540e0b0d8730443b6ab444c2d8ac4d1b4dbbd1e7854
SHA512

3ddc30baca3c92566e68d2148912fdd72d470404793edd7448464ec9c5a092e336e0176ea4f55dedabc6f95bd7ad974507324177cb191d26a1f208dfb9b1db4c
SSDEEP

1536:mf/YvFSSZtDgN+DrDkDEFtCofF89lGL+v:Q/Yv0SZtDgN+Dr+EpfF89ll

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:

ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer_new.exe"	ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.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:

ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\bjqxqhipzoyaqqp = "C:\\Windows\\pgcmfgtvdutxwsarfipi.exe"	ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bjqxqhipzoyaqqp = "C:\\Windows\\pgcmfgtvdutxwsarfipi.exe"	ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\bjqxqhipzoyaqqp = "C:\\ProgramData\\pgcmfgtvdutxwsarfipi.exe"	ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bjqxqhipzoyaqqp = "C:\\ProgramData\\pgcmfgtvdutxwsarfipi.exe"	ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe

Drops file in Windows directory 3 IoCs

Processes:

ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe

description	ioc	Process
File created	C:\Windows\pgcmfgtvdutxwsarfipi.exe	ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe
File opened for modification	C:\Windows\pgcmfgtvdutxwsarfipi.exe	ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe
File created	C:\Windows\explorer_new.exe	ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.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:

ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe

C:\Users\Admin\AppData\Local\Temp\ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.exe
"C:\Users\Admin\AppData\Local\Temp\ccc71c83c8d9895ef0b375273f9f185dfac63ecd01775e2dc705afe4d48c95e2_Dumped_TDS=4F9911B3.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:1888

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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