725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
01-09-2023 02:41

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General

Target

725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe
Size

1.5MB
MD5

45b0e1999f99256eb1932dd8a8b567b0
SHA1

603f05e6f3228459a55912174349ac56cdc80826
SHA256

725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149
SHA512

05c43a22c105b74d0cac0d0ff7de0134b75859efff97c97d62ec5cd98446f766de36fc758328a750457f2998df214311458f72c8ebce8d9f91d72b9615178373
SSDEEP

24576:OFehbMLd183OLsdTcQnKi9chWQFZVtqne3PzRBV29s937FHokBcM2lE4ZEbL0HzG:OmbtcU12296FIplEmSkfdkj

Score

6^/10

bootkit persistence

Malware Config

Signatures

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Main	725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl	725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe = "11000"	725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2324	725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe
2324	725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2324	725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe
2324	725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe
2324	725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe
2324	725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe
2324	725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe

C:\Users\Admin\AppData\Local\Temp\725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe
"C:\Users\Admin\AppData\Local\Temp\725977e1e8b0c24496a133ed065f07e3fba51ef9ab13c44286dba9dd920b9149.exe"
1⤵
- Drops desktop.ini file(s)
- Writes to the Master Boot Record (MBR)
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Desktop\desktop.ini

Filesize
282B

MD5
9e36cc3537ee9ee1e3b10fa4e761045b

SHA1
7726f55012e1e26cc762c9982e7c6c54ca7bb303

SHA256
4b9d687ac625690fd026ed4b236dad1cac90ef69e7ad256cc42766a065b50026

SHA512
5f92493c533d3add10b4ce2a364624817ebd10e32daa45ee16593e913073602db5e339430a3f7d2c44abf250e96ca4e679f1f09f8ca807d58a47cf3d5c9c3790

Download Submit
memory/2324-0-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2324-47-0x0000000000400000-0x0000000000594000-memory.dmp

Filesize
1.6MB

Download