b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b

Analysis

max time kernel
92s
max time network
98s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
10/08/2024, 01:32

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General

Target

b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b.exe
Size

266KB
MD5

a4f197dc2116cf055d085e10a7ab04ef
SHA1

4aaf6100247fc69ae9675ec9d5a32df417a2b42d
SHA256

b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b
SHA512

a456808ee4c532531ff449b1816fa99f48b6bbd4e9f76d33e04104813c3f8b8bb15c4be0c36f8226456c99b6e7f7061559c929b44b65c129b5290597ee6287ac
SSDEEP

6144:xXzKdNY49u8rV1puwkASgv3IXNP30BjeB:qa4ASSgvY0B

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4704	ITS SB App Switch.exe
3560	ITS SB App Switch.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1116-0-0x0000000000510000-0x00000000005B0000-memory.dmp	upx
behavioral2/memory/1116-19-0x0000000000510000-0x00000000005B0000-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	ITS SB App Switch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1116	b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b.exe
1116	b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b.exe
1116	b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b.exe
1116	b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 4704	1116	b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b.exe	82
PID 1116 wrote to memory of 4704	1116	b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b.exe	82
PID 1116 wrote to memory of 4704	1116	b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b.exe	82
PID 1116 wrote to memory of 3560	1116	b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b.exe	83
PID 1116 wrote to memory of 3560	1116	b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b.exe	83
PID 1116 wrote to memory of 3560	1116	b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b.exe	83

C:\Users\Admin\AppData\Local\Temp\b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b.exe
"C:\Users\Admin\AppData\Local\Temp\b583bbdf2089c154cdefc8e66f9b6db4c2e51212d3658baf340702afbb68137b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1116
- 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:4704
- 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:3560

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

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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/1116-0-0x0000000000510000-0x00000000005B0000-memory.dmp

Filesize
640KB

Download
memory/1116-19-0x0000000000510000-0x00000000005B0000-memory.dmp

Filesize
640KB

Download