b796e88888a2c4a4bdf5761bf7adf647de333c7af9861c28aa8a174cf12fc85e

Analysis

max time kernel
183s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 10:02

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General

Target

65b712ca09bba28130a2da13be851ae1.exe
Size

64KB
MD5

65b712ca09bba28130a2da13be851ae1
SHA1

0c98ef02fce66aba5a5a4209d1dbcec9b984f4a6
SHA256

b796e88888a2c4a4bdf5761bf7adf647de333c7af9861c28aa8a174cf12fc85e
SHA512

a4e609b18512ac901cf4c4f117808d39ddbb499ca5fcfec9f8df9be7d4d2c4913c4973395be2c20d5b240b0050da5b65d30e8e3d988af3fa615406163957588f
SSDEEP

1536:VfS9oZjr91SAuShInwerpMaOBoDA1DFN+8ucpIOh:o9oZjr91SAVh8PrevomFPucxh

Score

7^/10

upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	65b712ca09bba28130a2da13be851ae1.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4772-1-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4772-3-0x0000000000400000-0x0000000000422000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4772	65b712ca09bba28130a2da13be851ae1.exe
4772	65b712ca09bba28130a2da13be851ae1.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 1516	4772	65b712ca09bba28130a2da13be851ae1.exe	91
PID 4772 wrote to memory of 1516	4772	65b712ca09bba28130a2da13be851ae1.exe	91
PID 4772 wrote to memory of 1516	4772	65b712ca09bba28130a2da13be851ae1.exe	91

C:\Users\Admin\AppData\Local\Temp\65b712ca09bba28130a2da13be851ae1.exe
"C:\Users\Admin\AppData\Local\Temp\65b712ca09bba28130a2da13be851ae1.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4772
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\Bnv..bat" > nul 2> nul
  2⤵
  PID:1516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\Bnv..bat

Filesize
210B

MD5
8670db528e7f054a15879dddefa94d01

SHA1
2e00b016ba7fd640b70dee538976563feb09a3d9

SHA256
513a181608d1901cdc54b69fe8b78d437a4af544a822d4527feb1da27e2df174

SHA512
ef08cfc808f8449c37b8eee0de80959b8e3d3748c941bf4853783ad3cec6dbfe02f5c9081eae67e9d450e90c0af01025053e77b470d3dd161cac20bbded2e447

Download Submit
memory/4772-0-0x0000000000590000-0x0000000000592000-memory.dmp

Filesize
8KB

Download
memory/4772-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4772-3-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download