9eff10d5c6a4155245c97f614364b1f3e96a3ed065c1762a0b9a7802058128a1

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 07:15

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General

Target

5a9cdd82d1e927f26fe0052779c9c533.exe
Size

368KB
MD5

5a9cdd82d1e927f26fe0052779c9c533
SHA1

9eebf20c1a6e5f6a5f9efc9a724f41d67927b31f
SHA256

9eff10d5c6a4155245c97f614364b1f3e96a3ed065c1762a0b9a7802058128a1
SHA512

839a657fbeaef21ca5a3339fc2fbea92bf5c2b03c25459cae68427f04cc25f1dd0b001d50604ce5f354cffb6627fe6f132e2485f16ac07abcbf73f28b917269e
SSDEEP

6144:QSUllTpHeeh2jlBJsaRgGikFjXXtYt9+ZE2QYBVFsT5caPmNTmvAmAHkD:ILalBJj5jnetMnjj8maAmo0

Score

8^/10

upx

Malware Config

Signatures

Manipulates Digital Signatures 1 TTPs 1 IoCs

Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\State = "146944"	c20dk0ulzOt8uFk2.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/8-2-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/8-6-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/732-8-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/732-7-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/732-9-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/732-14-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/732-15-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/732-19-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/732-20-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/732-21-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/732-24-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/732-25-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/732-26-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/732-29-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/732-30-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/732-33-0x0000000000400000-0x00000000004A5000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\c20dk0ulzOt8uFk2	c20dk0ulzOt8uFk2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 33 IoCs

pid	pid_target	Process	procid_target
4904	732	WerFault.exe	51
4032	732	WerFault.exe	51
3816	732	WerFault.exe	51
4488	732	WerFault.exe	51
3608	732	WerFault.exe	51
1400	732	WerFault.exe	51
4984	732	WerFault.exe	51
904	732	WerFault.exe	51
4388	732	WerFault.exe	51
208	732	WerFault.exe	51
4536	732	WerFault.exe	51
4548	732	WerFault.exe	51
4660	732	WerFault.exe	51
2632	732	WerFault.exe	51
504	732	WerFault.exe	51
3668	732	WerFault.exe	51
656	732	WerFault.exe	51
1280	732	WerFault.exe	51
2160	732	WerFault.exe	51
3644	732	WerFault.exe	51
3596	732	WerFault.exe	51
2284	732	WerFault.exe	51
992	732	WerFault.exe	51
4464	732	WerFault.exe	51
4484	732	WerFault.exe	51
3392	732	WerFault.exe	51
5048	732	WerFault.exe	51
4604	732	WerFault.exe	51
4220	732	WerFault.exe	51
4228	732	WerFault.exe	51
4916	732	WerFault.exe	51
904	732	WerFault.exe	51
4924	732	WerFault.exe	51

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	c20dk0ulzOt8uFk2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	c20dk0ulzOt8uFk2.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Use FormSuggest = "Yes"	c20dk0ulzOt8uFk2.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main	c20dk0ulzOt8uFk2.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
8	5a9cdd82d1e927f26fe0052779c9c533.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
732	c20dk0ulzOt8uFk2.exe
732	c20dk0ulzOt8uFk2.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
732	c20dk0ulzOt8uFk2.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
8	5a9cdd82d1e927f26fe0052779c9c533.exe
732	c20dk0ulzOt8uFk2.exe
732	c20dk0ulzOt8uFk2.exe
732	c20dk0ulzOt8uFk2.exe
732	c20dk0ulzOt8uFk2.exe
732	c20dk0ulzOt8uFk2.exe
732	c20dk0ulzOt8uFk2.exe
732	c20dk0ulzOt8uFk2.exe
732	c20dk0ulzOt8uFk2.exe
732	c20dk0ulzOt8uFk2.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 8 wrote to memory of 732	8	5a9cdd82d1e927f26fe0052779c9c533.exe	51
PID 8 wrote to memory of 732	8	5a9cdd82d1e927f26fe0052779c9c533.exe	51
PID 8 wrote to memory of 732	8	5a9cdd82d1e927f26fe0052779c9c533.exe	51

C:\Users\Admin\AppData\Local\Temp\5a9cdd82d1e927f26fe0052779c9c533.exe
"C:\Users\Admin\AppData\Local\Temp\5a9cdd82d1e927f26fe0052779c9c533.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:8
- C:\PROGRA~3\c20dk0ulzOt8uFk2.exe
  C:\PROGRA~3\c20dk0ulzOt8uFk2.exe
  2⤵
  - Manipulates Digital Signatures
  - Drops file in Program Files directory
  - Checks processor information in registry
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 648
    3⤵
    - Program crash
    PID:4904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1028
    3⤵
    - Program crash
    PID:4032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1080
    3⤵
    - Program crash
    PID:3816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1116
    3⤵
    - Program crash
    PID:4488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1120
    3⤵
    - Program crash
    PID:3608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1120
    3⤵
    - Program crash
    PID:1400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1252
    3⤵
    - Program crash
    PID:4984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1272
    3⤵
    - Program crash
    PID:904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1256
    3⤵
    - Program crash
    PID:4388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1188
    3⤵
    - Program crash
    PID:208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1180
    3⤵
    - Program crash
    PID:4536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1348
    3⤵
    - Program crash
    PID:4548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1348
    3⤵
    - Program crash
    PID:4660
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1568
    3⤵
    - Program crash
    PID:2632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1580
    3⤵
    - Program crash
    PID:504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1876
    3⤵
    - Program crash
    PID:3668
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1944
    3⤵
    - Program crash
    PID:656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1984
    3⤵
    - Program crash
    PID:1280
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1544
    3⤵
    - Program crash
    PID:2160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1596
    3⤵
    - Program crash
    PID:3644
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1968
    3⤵
    - Program crash
    PID:3596
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1880
    3⤵
    - Program crash
    PID:2284
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1880
    3⤵
    - Program crash
    PID:992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 2016
    3⤵
    - Program crash
    PID:4464
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 2008
    3⤵
    - Program crash
    PID:4484
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 2040
    3⤵
    - Program crash
    PID:3392
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 2036
    3⤵
    - Program crash
    PID:5048
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1972
    3⤵
    - Program crash
    PID:4604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1652
    3⤵
    - Program crash
    PID:4220
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1948
    3⤵
    - Program crash
    PID:4228
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1940
    3⤵
    - Program crash
    PID:4916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1876
    3⤵
    - Program crash
    PID:904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 1248
    3⤵
    - Program crash
    PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 732 -ip 732
1⤵
PID:976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 732 -ip 732
1⤵
PID:3528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 732 -ip 732
1⤵
PID:568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 732 -ip 732
1⤵
PID:2972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 732 -ip 732
1⤵
PID:2572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 732 -ip 732
1⤵
PID:4860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 732 -ip 732
1⤵
PID:4720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 732 -ip 732
1⤵
PID:2456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 732 -ip 732
1⤵
PID:2756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 732 -ip 732
1⤵
PID:3428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 732 -ip 732
1⤵
PID:216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 732 -ip 732
1⤵
PID:4068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 732 -ip 732
1⤵
PID:2428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 732 -ip 732
1⤵
PID:4216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 612 -p 732 -ip 732
1⤵
PID:4752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 732 -ip 732
1⤵
PID:856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 732 -ip 732
1⤵
PID:4916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 732 -ip 732
1⤵
PID:3392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 628 -p 732 -ip 732
1⤵
PID:2768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 732 -ip 732
1⤵
PID:760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 652 -p 732 -ip 732
1⤵
PID:2428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 612 -p 732 -ip 732
1⤵
PID:2944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 656 -p 732 -ip 732
1⤵
PID:4220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 656 -p 732 -ip 732
1⤵
PID:996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 732 -ip 732
1⤵
PID:1536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 656 -p 732 -ip 732
1⤵
PID:4896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 668 -p 732 -ip 732
1⤵
PID:4388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 632 -p 732 -ip 732
1⤵
PID:4592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 688 -p 732 -ip 732
1⤵
PID:3304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 664 -p 732 -ip 732
1⤵
PID:5060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 732 -ip 732
1⤵
PID:1400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 732 -ip 732
1⤵
PID:4780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 648 -p 732 -ip 732
1⤵
PID:1260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

SIP and Trust Provider Hijacking

T1553.003

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/8-3-0x0000000000940000-0x0000000000983000-memory.dmp

Filesize
268KB

Download
memory/8-1-0x0000000000940000-0x0000000000983000-memory.dmp

Filesize
268KB

Download
memory/8-2-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/8-6-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/8-0-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/732-15-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/732-19-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/732-7-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/732-9-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/732-14-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/732-8-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/732-16-0x0000000004810000-0x0000000004856000-memory.dmp

Filesize
280KB

Download
memory/732-17-0x00000000076B0000-0x0000000007AE3000-memory.dmp

Filesize
4.2MB

Download
memory/732-18-0x0000000000950000-0x0000000000993000-memory.dmp

Filesize
268KB

Download
memory/732-5-0x0000000000950000-0x0000000000993000-memory.dmp

Filesize
268KB

Download
memory/732-20-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/732-21-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/732-24-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/732-25-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/732-26-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/732-29-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/732-30-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/732-33-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download