9028e96ab85acb7bb6ceb1df9e814f585616742026b780f70582a16d7d9438e0

Analysis

max time kernel
94s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 10:18

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General

Target

542aab506740b55d248bf22dd378b990N.exe
Size

61KB
MD5

542aab506740b55d248bf22dd378b990
SHA1

aba777a1ef3771e14ab60c2d819e1fd3cc05b9de
SHA256

9028e96ab85acb7bb6ceb1df9e814f585616742026b780f70582a16d7d9438e0
SHA512

94997d780ccc026e816e1fc4a7e236768b58a0f4b8738f0c9e747a0883fd3c74fbfee6d36fc396f7141974ad4222bb7a63c60b46f4120c36c3e52af066732889
SSDEEP

768:r8eRH+MlFh0pDpuJ84WEi+U6sh7iQroCHmyf+RjFBSuB2Xpfs1VRx:r9l+W8xFt6sh7iQroCoRB0u0sH

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	542aab506740b55d248bf22dd378b990N.exe

Executes dropped EXE 1 IoCs

pid	Process
932	bkgrnd.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4796-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x00090000000233a2-7.dat	upx
behavioral2/memory/4796-11-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/932-19-0x0000000000400000-0x000000000040F000-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	542aab506740b55d248bf22dd378b990N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bkgrnd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 932	4796	542aab506740b55d248bf22dd378b990N.exe	83
PID 4796 wrote to memory of 932	4796	542aab506740b55d248bf22dd378b990N.exe	83
PID 4796 wrote to memory of 932	4796	542aab506740b55d248bf22dd378b990N.exe	83

C:\Users\Admin\AppData\Local\Temp\542aab506740b55d248bf22dd378b990N.exe
"C:\Users\Admin\AppData\Local\Temp\542aab506740b55d248bf22dd378b990N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4796
- 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:932

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
61KB

MD5
7d75fa9789a3e11281d4b2b117962286

SHA1
880a30655c7ec3ce665f413d7a6e4634cd75084e

SHA256
90cc8e62145b62b17fc5ac0fe523daf51d8bbe0469ac597d5f32d5bf047b70a3

SHA512
93e91369b4a871549a8730f202a8c72ade7ce274cdf4f7221a26d61559e24bc43feb6765432bc8b0583ac26167cd581669a0127423cb9705c917da2005f9228a

Download Submit
memory/932-19-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4796-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4796-1-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/4796-2-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/4796-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download