8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715

Analysis

max time kernel
87s
max time network
35s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 10:52

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General

Target

8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe
Size

15.6MB
MD5

13f7f8fd20964793d809f70da584a7ee
SHA1

4b3012895fe3e3e9a0bc55b2fa7bd217b2135f7c
SHA256

8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715
SHA512

408506ad2f5d7d43b74f39add69c017f6376703325ff4acf497986c394a6f6707b93cf82c2bf7e73c74d6624d0e70b926e364b8bcbe03e47a02d3378d613e17a
SSDEEP

393216:cAsuimdhqnkbKT6tEs0XaAlKBePqa43rUiuzegP:cA7imdhqkeN0NBeIAD6A

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000900000001234f-60.dat	acprotect

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000900000001234f-60.dat	upx
behavioral1/memory/1408-61-0x00000000077D0000-0x000000000782B000-memory.dmp	upx
behavioral1/memory/1408-63-0x00000000077D0000-0x000000000782B000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1408	8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 1408	1628	8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe	28

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1408	8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe
1408	8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe
1408	8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 1408	1628	8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe	28
PID 1628 wrote to memory of 1408	1628	8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe	28
PID 1628 wrote to memory of 1408	1628	8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe	28
PID 1628 wrote to memory of 1408	1628	8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe	28
PID 1628 wrote to memory of 1408	1628	8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe	28
PID 1628 wrote to memory of 1408	1628	8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe	28

C:\Users\Admin\AppData\Local\Temp\8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe
"C:\Users\Admin\AppData\Local\Temp\8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Users\Admin\AppData\Local\Temp\8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe
  "C:\Users\Admin\AppData\Local\Temp\8feb9f8a96f4b762f57a909d49b89a91272fe2633700b3d2721cae33f1882715.exe"
  2⤵
  - Loads dropped DLL
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1408

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\{CC90392A-3950-4FBF-9D9E-91207F69C816}.dll

Filesize
120KB

MD5
c9f333d1ff898672a34805f94a265329

SHA1
2deaac66698fb2e9b3868d23034c3211c508b739

SHA256
07e546811635574c77edfda126b0e5f5292b4ea13f35158eddedcfc3cbf74b6b

SHA512
048c71e48e2def0bfc69ebfb69b834d650a9377082782333f50728fdfd6675df8093d0c87e606022e55d09f81549d4ca3b640bcdd33b9ddc9aace03ee1466add

Download Submit
memory/1408-54-0x0000000000400000-0x00000000005A3000-memory.dmp

Filesize
1.6MB

Download
memory/1408-56-0x0000000000400000-0x00000000005A3000-memory.dmp

Filesize
1.6MB

Download
memory/1408-57-0x0000000000400000-0x00000000005A3000-memory.dmp

Filesize
1.6MB

Download
memory/1408-58-0x0000000000400000-0x00000000005A3000-memory.dmp

Filesize
1.6MB

Download
memory/1408-59-0x0000000075BE1000-0x0000000075BE3000-memory.dmp

Filesize
8KB

Download
memory/1408-61-0x00000000077D0000-0x000000000782B000-memory.dmp

Filesize
364KB

Download
memory/1408-62-0x0000000000400000-0x00000000005A3000-memory.dmp

Filesize
1.6MB

Download
memory/1408-63-0x00000000077D0000-0x000000000782B000-memory.dmp

Filesize
364KB

Download