a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4

Analysis

max time kernel
93s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 13:42

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General

Target

a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe
Size

266KB
MD5

adb11d243a6203ecd7bbbab23d65cf6a
SHA1

79151ecf6b070531bdffcb326dcf1e7f7d2fb4d9
SHA256

a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4
SHA512

44d607c2154afb22434bd3f2626ac44a2d94b8116275db155ffafef43ed1a42b372a0146f0bbfba5692aaada3d4f6f1622ebe034c5c07a615e5a9a2556c86763
SSDEEP

3072:BNXEGZJWhfNFC4S60+XoLczrVmXHpC4yqs0BVH0XNn2qcyF6Xb0Bje4XG:fXzKdNY49u8rV+pBSXNn2qNi0BjeB

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe

Executes dropped EXE 2 IoCs

pid	Process
1880	ITS SB App Switch.exe
808	ITS SB App Switch.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1344-0-0x0000000000F90000-0x0000000001030000-memory.dmp	upx
behavioral1/memory/1344-19-0x0000000000F90000-0x0000000001030000-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	a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ITS SB App Switch.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1344	a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe
1344	a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe
1344	a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe
1344	a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 1880	1344	a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe	87
PID 1344 wrote to memory of 1880	1344	a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe	87
PID 1344 wrote to memory of 1880	1344	a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe	87
PID 1344 wrote to memory of 808	1344	a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe	88
PID 1344 wrote to memory of 808	1344	a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe	88
PID 1344 wrote to memory of 808	1344	a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe	88

C:\Users\Admin\AppData\Local\Temp\a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe
"C:\Users\Admin\AppData\Local\Temp\a519218809cf6c4772b8d9517d97c2004dafb9317f59340020f65486cdb4c1a4.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
  "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
  2⤵
  - Executes dropped EXE
  PID:1880
- C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
  "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:808

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\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
137KB

MD5
8e277c55b2b8f512823e5c384d0e2177

SHA1
371f387b9860191a51b4b830ce8c060df4b3586b

SHA256
bb9a8cd5a67af174554effd9cbebb23dca4d1acccf4b06f183430e0a7a11f46e

SHA512
854499bff4b6802b66a14f5d7d347c0fd4648e9dad548b2f6dddf5e73a91b177e9334fcb47a23e0ac53343d27082a914225e0e4dae6b0a5dedf058251d1f9112

Download Submit
memory/1344-0-0x0000000000F90000-0x0000000001030000-memory.dmp

Filesize
640KB

Download
memory/1344-19-0x0000000000F90000-0x0000000001030000-memory.dmp

Filesize
640KB

Download