fa239e0db4649c4f192ee7ee951cad621081d07baa0466e53da550d27d3bd1ef

Analysis

max time kernel
106s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 18:59

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General

Target

fa239e0db4649c4f192ee7ee951cad621081d07baa0466e53da550d27d3bd1efN.exe
Size

71KB
MD5

3b705c5d4a29c712b4d85f6e938ed0f0
SHA1

2ccd5546550e03e7456a9737329d8884bc4ecc30
SHA256

fa239e0db4649c4f192ee7ee951cad621081d07baa0466e53da550d27d3bd1ef
SHA512

bb5f9034949eae680a811afbe1a2892ccde404c10a831074a33cf3e238c74dc8623e945ba41fa1f9b09af84e6eb46931fcd2ee9e78a892b3b958611f908443b0
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUXQs:T6a+rdOOtEvwDpjN+

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	fa239e0db4649c4f192ee7ee951cad621081d07baa0466e53da550d27d3bd1efN.exe

Executes dropped EXE 1 IoCs

pid	Process
380	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4100-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0008000000023c93-13.dat	upx
behavioral2/memory/4100-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/380-26-0x0000000000500000-0x0000000000510000-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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa239e0db4649c4f192ee7ee951cad621081d07baa0466e53da550d27d3bd1efN.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4100 wrote to memory of 380	4100	fa239e0db4649c4f192ee7ee951cad621081d07baa0466e53da550d27d3bd1efN.exe	85
PID 4100 wrote to memory of 380	4100	fa239e0db4649c4f192ee7ee951cad621081d07baa0466e53da550d27d3bd1efN.exe	85
PID 4100 wrote to memory of 380	4100	fa239e0db4649c4f192ee7ee951cad621081d07baa0466e53da550d27d3bd1efN.exe	85

C:\Users\Admin\AppData\Local\Temp\fa239e0db4649c4f192ee7ee951cad621081d07baa0466e53da550d27d3bd1efN.exe
"C:\Users\Admin\AppData\Local\Temp\fa239e0db4649c4f192ee7ee951cad621081d07baa0466e53da550d27d3bd1efN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4100
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:380

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\asih.exe

Filesize
71KB

MD5
8accb244f2e0ae127d42e0113e6fafb1

SHA1
9505d07dc94c42ad6c05d37cddb5f770582993a2

SHA256
f81b0e329f2073949f17b7f3c81302e98e6a234ba23e502605bb228e57e7bb03

SHA512
8c91f8c0002ca0dc6cb13c20c19b86aea2feb6a4d1a48b5bc37d7e442a73b36821bf178eff7b23f71aa8ba5878e094be64dec85e11297c6a22904319add58ad6

Download Submit
memory/380-19-0x0000000002150000-0x0000000002156000-memory.dmp

Filesize
24KB

Download
memory/380-20-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/380-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4100-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4100-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4100-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4100-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4100-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download