0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7

Analysis

max time kernel
168s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 19:00

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General

Target

0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7.exe
Size

240KB
MD5

5b3eae8a72946d30f6fd46514dfb92e1
SHA1

b60fae45612d8c8c4430f0e1a51551ad76c637b8
SHA256

0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7
SHA512

839218c8695165a009e09336edea9cfb61525aaa66d8b215264bd0d45c0d8167e2959331a33cfcd0a112819c2415accdcbb159b43185d3b9d043a668c202d4d0
SSDEEP

1536:jd3CHn9a9kcUWWmJoW/OeaxVdYOUqB4Y7hkFP54vTgzQ9diomhFKN:Bq9TXmWW/8dY0vghdz6ioA2

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

schedl.exe

pid process

3336 schedl.exe

pid	process
3336	schedl.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

schedl.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\schedl = "C:\\Windows\\Help\\schedl.exe"	schedl.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\MICROSOFT\WINDOWS\CURRENTVERSION\RUN	schedl.exe

Drops file in Program Files directory 4 IoCs

Processes:

schedl.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Program Files (x86).exe	schedl.exe
File created	C:\Program Files\Program Files.exe	schedl.exe
File opened for modification	C:\Program Files\Program Files.exe	schedl.exe
File created	C:\Program Files (x86)\Program Files (x86).exe	schedl.exe

Drops file in Windows directory 4 IoCs

Processes:

schedl.exe0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7.exe

description	ioc	process
File created	C:\Windows\Windows.exe	schedl.exe
File opened for modification	C:\Windows\Windows.exe	schedl.exe
File created	C:\Windows\Help\schedl.exe	0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7.exe
File opened for modification	C:\Windows\Help\schedl.exe	0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7.exeschedl.exe

pid process

4328 0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7.exe
3336 schedl.exe

pid	process
4328	0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7.exe
3336	schedl.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7.exe

description	pid	process	target process
PID 4328 wrote to memory of 3336	4328	0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7.exe	schedl.exe
PID 4328 wrote to memory of 3336	4328	0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7.exe	schedl.exe
PID 4328 wrote to memory of 3336	4328	0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7.exe	schedl.exe

C:\Users\Admin\AppData\Local\Temp\0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7.exe
"C:\Users\Admin\AppData\Local\Temp\0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4328

C:\Windows\Help\schedl.exe
C:\Windows\Help\schedl.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:3336

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Help\schedl.exe

Filesize
240KB

MD5
5b3eae8a72946d30f6fd46514dfb92e1

SHA1
b60fae45612d8c8c4430f0e1a51551ad76c637b8

SHA256
0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7

SHA512
839218c8695165a009e09336edea9cfb61525aaa66d8b215264bd0d45c0d8167e2959331a33cfcd0a112819c2415accdcbb159b43185d3b9d043a668c202d4d0

Download Submit
C:\Windows\Help\schedl.exe

Filesize
240KB

MD5
5b3eae8a72946d30f6fd46514dfb92e1

SHA1
b60fae45612d8c8c4430f0e1a51551ad76c637b8

SHA256
0fb5144d27e6e7b516253a5c4423fbb92de45ce19df8ce2f5e4d81410933abb7

SHA512
839218c8695165a009e09336edea9cfb61525aaa66d8b215264bd0d45c0d8167e2959331a33cfcd0a112819c2415accdcbb159b43185d3b9d043a668c202d4d0

Download Submit
memory/3336-135-0x0000000000000000-mapping.dmp

Download
memory/3336-140-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4328-133-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4328-141-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download