471f3fb1a953fab38be3081eb835574694bc72b94f239edc400d1ce3d7a8ecb0

Analysis

max time kernel
92s
max time network
140s
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

78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_Dumped_TDS=4F9911B3.exe
Size

116KB
MD5

5a580ab3f5b3806da853459e9ef7b368
SHA1

df93c0f0dd694ab49646b539418b67d83eafccb5
SHA256

5f60eed8e27867c843387fe7fece3af688586a40c8d3dd2c27647b23cc200fdc
SHA512

91ecd8f00f4cd6c7d199eb365cb7cfa414bcab41b144fe7a5f43529e560201a81284cdb3a3d18d252e2eb4429a67f2db5718eacc8bf1eeb072958c0a4be20a3b
SSDEEP

1536:tf/YvFSSZtDgN+DrDkDEFtCwbfF89lGL+vpCYC:Z/Yv0SZtDgN+Dr+ErbfF89llpTC

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:

78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_Dumped_TDS=4F9911B3.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer_new.exe"	78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_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:

78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_Dumped_TDS=4F9911B3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_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:

78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_Dumped_TDS=4F9911B3.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\kvquyerdkqfwkzu = "C:\\Windows\\fcebvcgwuhsbzbcwbkmb.exe"	78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_Dumped_TDS=4F9911B3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kvquyerdkqfwkzu = "C:\\Windows\\fcebvcgwuhsbzbcwbkmb.exe"	78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_Dumped_TDS=4F9911B3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\kvquyerdkqfwkzu = "C:\\ProgramData\\fcebvcgwuhsbzbcwbkmb.exe"	78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_Dumped_TDS=4F9911B3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kvquyerdkqfwkzu = "C:\\ProgramData\\fcebvcgwuhsbzbcwbkmb.exe"	78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_Dumped_TDS=4F9911B3.exe

Drops file in Windows directory 3 IoCs

Processes:

78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_Dumped_TDS=4F9911B3.exe

description	ioc	process
File created	C:\Windows\fcebvcgwuhsbzbcwbkmb.exe	78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_Dumped_TDS=4F9911B3.exe
File opened for modification	C:\Windows\fcebvcgwuhsbzbcwbkmb.exe	78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_Dumped_TDS=4F9911B3.exe
File created	C:\Windows\explorer_new.exe	78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_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:

78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_Dumped_TDS=4F9911B3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_Dumped_TDS=4F9911B3.exe

C:\Users\Admin\AppData\Local\Temp\78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_Dumped_TDS=4F9911B3.exe
"C:\Users\Admin\AppData\Local\Temp\78d4cf8df6fe5717a0f4bad6cbfce6546fb59a45ee0ac3797b264b28e24ddc0b_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:4832

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

Replay Monitor

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Downloads

C:\ProgramData\cfhtkanxbnrviihkmvxvimnqoaabvrxi

Filesize
16B

MD5
01eabacfcd18f70a5eb14aa2b5b5af2f

SHA1
0ed7b1142105ae8e4a4f5a6ac752cffbae7a31aa

SHA256
0b5cf8452fb3fe4ffc833e1e958c6d49e0b8afbc48e5ad5cc2570f99ce0d10e0

SHA512
f8135edb8e496cbdd9f30e0d4b4529132e893ef4ad98400ca4ae5ddab93e9b07ffe394e0a80ee870f65c1d7ae3eec7455fa0defff3cf504c04029c6c0a943590

Download Submit
memory/4832-0-0x0000000000FC0000-0x0000000000FDD000-memory.dmp

Filesize
116KB

Download
memory/4832-14-0x0000000000FC0000-0x0000000000FDD000-memory.dmp

Filesize
116KB

Download