3b2776d93feca48f02f530dff6a3d4d918d94ce4e61c249b9f51f24d1d090d74

Analysis

max time kernel
79s
max time network
83s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
28/11/2023, 10:52

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General

Target

Phone Number Verification Bypass‮nls..scr
Size

571KB
MD5

f1bc7841474849a77e8e0b2e507f2ac7
SHA1

eea072584a9227f763d15d784eb52c64453c9505
SHA256

3b2776d93feca48f02f530dff6a3d4d918d94ce4e61c249b9f51f24d1d090d74
SHA512

e9d342ea6620fc1b69868d5b503363a685a50e7184ba28c310f9648b85ebbb3684eb5be08ff5dd678e1026499fe2c562eb45b0c28228e96b7746553f6a1d12b7
SSDEEP

12288:C7oVrmFrSStI0kPUjGn61DfVwZ3pSOPXb2c1wxC3Si+hjTO6HH:3i/i4Jt9wZ3/bTwxQgVTOOH

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4460-0-0x00007FF777040000-0x00007FF7771A4000-memory.dmp	upx
behavioral2/memory/4460-4-0x00007FF777040000-0x00007FF7771A4000-memory.dmp	upx

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
992	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 4428	4460	Phone Number Verification Bypass‮nls..scr	86
PID 4460 wrote to memory of 4428	4460	Phone Number Verification Bypass‮nls..scr	86

C:\Users\Admin\AppData\Local\Temp\Phone Number Verification Bypass‮nls..scr
"C:\Users\Admin\AppData\Local\Temp\Phone Number Verification Bypass‮nls..scr" /S
1⤵
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Windows\system32\cmd.exe
  "cmd" /C C:\Users\Admin\AppData\Local\Temp\Sbl0V4V9R5.sln
  2⤵
  - Modifies registry class
  PID:4428

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Sbl0V4V9R5.sln

Filesize
1KB

MD5
49e83452237bee03b19fcf08da6f1d9c

SHA1
6ab1082f3e64030b998cb1202b77e0817e051f9b

SHA256
97befc6c51ae1ea71ba40f0a0ae8bad63d45522d121cfa7bdac024d40351fdcf

SHA512
80d05f957efa5ff437f6cce58d77a2c59e8c0034eecaa05a3dcd0b8f1e95964c2c726886f800d002249650629bf48dc767652ee897b717c2edee2e55acb71bc2

Download Submit
memory/4460-0-0x00007FF777040000-0x00007FF7771A4000-memory.dmp

Filesize
1.4MB

Download
memory/4460-4-0x00007FF777040000-0x00007FF7771A4000-memory.dmp

Filesize
1.4MB

Download