ae00bb753ceba94070dbd230e7fee90287055a9d7196e44949faaaa1c98f512f

Analysis

max time kernel
98s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 07:33

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General

Target

61f47fb5aa2082caa3ef34cd7b657cc0N.exe
Size

50KB
MD5

61f47fb5aa2082caa3ef34cd7b657cc0
SHA1

f6549a6d8061486e8caae8895939510b854e9b38
SHA256

ae00bb753ceba94070dbd230e7fee90287055a9d7196e44949faaaa1c98f512f
SHA512

86370dd0bab0305bf4ff1d7825e16872ca3ac931bbd1368344c63b5cd6b3bc30a251c26560678d7f7aab650a0d20a5ce250b00b7358befe63b24869bdf1068dd
SSDEEP

768:n8eRH+MlFh0pXrL4i6sh7iQroCHmmbk2ElUH:n9l+Gi6sh7iQroCLM8

Score

7^/10

discovery 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-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation	61f47fb5aa2082caa3ef34cd7b657cc0N.exe

Executes dropped EXE 1 IoCs

pid	Process
4132	bkgrnd.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/468-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0009000000023470-7.dat	upx
behavioral2/memory/468-11-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4132-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	61f47fb5aa2082caa3ef34cd7b657cc0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bkgrnd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 468 wrote to memory of 4132	468	61f47fb5aa2082caa3ef34cd7b657cc0N.exe	86
PID 468 wrote to memory of 4132	468	61f47fb5aa2082caa3ef34cd7b657cc0N.exe	86
PID 468 wrote to memory of 4132	468	61f47fb5aa2082caa3ef34cd7b657cc0N.exe	86

C:\Users\Admin\AppData\Local\Temp\61f47fb5aa2082caa3ef34cd7b657cc0N.exe
"C:\Users\Admin\AppData\Local\Temp\61f47fb5aa2082caa3ef34cd7b657cc0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:468
- C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe
  "C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4132

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe

Filesize
50KB

MD5
a6f2b15c6daf3e515433f151c7721cf4

SHA1
b6b50034155552c96c41191eb2c62aea4164aa13

SHA256
101ba685cd174afd30f5c64f3781264b59d094b48c9230e5020ddf2ae87a234d

SHA512
1613aae40666048c7e48ac5c10afdfa4af240b05d1678af51976947a671474637b2e6a309d8dd3bb2518efc7e3a9a15c256baaf0e4da1467c535937fc961e3c1

Download Submit
memory/468-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/468-1-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/468-2-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/468-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4132-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download