2609f135688395aab0c4d500247460cdc9698789c312c9338c705a1a7d3227a1

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 07:15

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General

Target

bee99d7c2d9081622aaffd92da2bb8e0N.exe
Size

59KB
MD5

bee99d7c2d9081622aaffd92da2bb8e0
SHA1

266f331f0cbe3b6fd9fc7260e2c5e27c254085fa
SHA256

2609f135688395aab0c4d500247460cdc9698789c312c9338c705a1a7d3227a1
SHA512

8577c8ba3e24def2d3b7ffe28fd3a4cbd400f22c110200ddc1a84980c7a866a477587b22f62b21d0e5752427086282d953432a5aab86b5dc9f27aaf1755f3090
SSDEEP

768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax+No:z6QFElP6n+gKmddpMOtEvwDpj9aYa3

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2680	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2700	bee99d7c2d9081622aaffd92da2bb8e0N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2700-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2700-14-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000b000000012281-11.dat	upx
behavioral1/memory/2680-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2680-26-0x0000000000500000-0x0000000000510000-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	bee99d7c2d9081622aaffd92da2bb8e0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2680	2700	bee99d7c2d9081622aaffd92da2bb8e0N.exe	31
PID 2700 wrote to memory of 2680	2700	bee99d7c2d9081622aaffd92da2bb8e0N.exe	31
PID 2700 wrote to memory of 2680	2700	bee99d7c2d9081622aaffd92da2bb8e0N.exe	31
PID 2700 wrote to memory of 2680	2700	bee99d7c2d9081622aaffd92da2bb8e0N.exe	31

C:\Users\Admin\AppData\Local\Temp\bee99d7c2d9081622aaffd92da2bb8e0N.exe
"C:\Users\Admin\AppData\Local\Temp\bee99d7c2d9081622aaffd92da2bb8e0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700
- 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:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
59KB

MD5
8aded4e08cd21cf93cca0789214d09dd

SHA1
7775779ea1e634dbeb2ae817aac618b4f94201ae

SHA256
1270b0747a4eb875c28a95794baf8da21bb1b727914412f3c3fb313ade2a88ca

SHA512
0afa963d8b3d76edb5ba3b4d55d02f721fbe4d12d53ae16eea51aa695a9c15a0fc9f61e7ebcdf47db779598a39c83d08f1b18824908a1344db3fcaa992a2792f

Download Submit
memory/2680-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2680-18-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2680-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2680-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2700-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2700-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2700-9-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2700-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2700-14-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download