cf54c3be9d27fb9863049cca6ef546f56e671c82f71c3e1e43c231fe3bb34065

Analysis

max time kernel
151s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 19:18

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General

Target

8ff1de8c63d0371effcb63acefc36146.exe
Size

399KB
MD5

8ff1de8c63d0371effcb63acefc36146
SHA1

488cc3faf9d479d27bba20464781e24301a850fd
SHA256

cf54c3be9d27fb9863049cca6ef546f56e671c82f71c3e1e43c231fe3bb34065
SHA512

af94f9b9144f617b06f03af39d045346f3b45d6b39c2906d5e96647f5d3fcf5fea7f79c2b36d44501d80edef384229235de40f15f5428bcd717cb68c51968cc9
SSDEEP

12288:NPRkqdnxXhyJbwymTZbeGxlyibmB0HXYniWb:LHXhyJMbbeGCi6B03Yn

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2032	Fminoa.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1596-0-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral2/files/0x0006000000023122-9.dat	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	8ff1de8c63d0371effcb63acefc36146.exe
File created	C:\Windows\Fminoa.exe	8ff1de8c63d0371effcb63acefc36146.exe
File opened for modification	C:\Windows\Fminoa.exe	8ff1de8c63d0371effcb63acefc36146.exe
File created	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	Fminoa.exe
File opened for modification	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	Fminoa.exe
File created	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	8ff1de8c63d0371effcb63acefc36146.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main	Fminoa.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe
2032	Fminoa.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 2032	1596	8ff1de8c63d0371effcb63acefc36146.exe	85
PID 1596 wrote to memory of 2032	1596	8ff1de8c63d0371effcb63acefc36146.exe	85
PID 1596 wrote to memory of 2032	1596	8ff1de8c63d0371effcb63acefc36146.exe	85

C:\Users\Admin\AppData\Local\Temp\8ff1de8c63d0371effcb63acefc36146.exe
"C:\Users\Admin\AppData\Local\Temp\8ff1de8c63d0371effcb63acefc36146.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\Fminoa.exe
  C:\Windows\Fminoa.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:2032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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\Fminoa.exe

Filesize
399KB

MD5
8ff1de8c63d0371effcb63acefc36146

SHA1
488cc3faf9d479d27bba20464781e24301a850fd

SHA256
cf54c3be9d27fb9863049cca6ef546f56e671c82f71c3e1e43c231fe3bb34065

SHA512
af94f9b9144f617b06f03af39d045346f3b45d6b39c2906d5e96647f5d3fcf5fea7f79c2b36d44501d80edef384229235de40f15f5428bcd717cb68c51968cc9

Download Submit
C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job

Filesize
362B

MD5
191f7c24650a7c7bf228d65645dd086d

SHA1
75392067b6023e3dbfe46525082f2569e1ff589c

SHA256
db6841059461d9eaf572ac020235bf4ae576ab0ff7848e46bebdc4b3e840c5ce

SHA512
f72d540900cd9e72dd439f25a1de578e81c3447811c9ca6b989896d460c3b8dad494a2ac6f88c6194612fca33bb220355fc6f6515e20c2bda4a86612eb843de6

Download Submit
memory/1596-0-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1596-1-0x00000000021B0000-0x00000000021B1000-memory.dmp

Filesize
4KB

Download
memory/1596-4-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1596-3586-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1596-3871-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2032-19-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download