f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d

Analysis

max time kernel
146s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
13/06/2024, 04:11

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General

Target
f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d.exe
Size 266KB
Sample240613-er17jsteqe
SHA256 f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d
MD5 2cf63072111826f8c1c647b3d7f7e910
SHA1 08b66b1529eb72dd93336071b9f1aa320e5721ec
SHA512 997f07f96dcd31661a77b87f04288aa0d82c5f1c46f903f4ccd05465efd690745751fb784c6d802ef1ffbbb93bc4832601df533c72f34b81a85af5def982c9ce
SSDEEP 3072:mNXEGZJWhfNFC4S60+XoLczrVmXzM1QnlJkbZ+Y+x+tfnEafgVH01ne4PK:0XzKdNY49u8rVQWQPkKInEafg901net
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1216	ITS SB App Switch.exe
224	ITS SB App Switch.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3348-0-0x00000000004D0000-0x0000000000570000-memory.dmp	upx
behavioral2/memory/3348-14-0x00000000004D0000-0x0000000000570000-memory.dmp	upx
behavioral2/memory/3348-16-0x00000000004D0000-0x0000000000570000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3348	f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d.exe
3348	f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d.exe
3348	f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d.exe
3348	f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3348 wrote to memory of 1216	3348	f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d.exe	77
PID 3348 wrote to memory of 1216	3348	f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d.exe	77
PID 3348 wrote to memory of 1216	3348	f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d.exe	77
PID 3348 wrote to memory of 224	3348	f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d.exe	78
PID 3348 wrote to memory of 224	3348	f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d.exe	78
PID 3348 wrote to memory of 224	3348	f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d.exe	78

C:\Users\Admin\AppData\Local\Temp\f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d.exe
"C:\Users\Admin\AppData\Local\Temp\f59b64aceff43e9fb807a3b657ea71cc5c87dfbef997403e7eb61c23cd2a743d.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3348
- 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:1216
- 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:224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

ITS SB App Switch.exe

Path C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
Size 87KB
SHA256 3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
MD5 368332fca74f48697d842c5f4698ae1d
SHA1 0275153a1e62bd0eca0b02168895517ed66aac56
SHA512 fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5
SSDEEP 1536:2OW3EJUzxVIAFLMo2/j3cGlHyk1UBmrNu0R9gZHesWpcdl26n9D5JL1mLPxe:034UtVIA3s3cGlHyk1UEu0R9gRlTnJ5p
MD5 SHA1 SHA512 SSDEEP

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memory/3348-0-0x00000000004D0000-0x0000000000570000-memory.dmp

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memory/3348-14-0x00000000004D0000-0x0000000000570000-memory.dmp

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memory/3348-16-0x00000000004D0000-0x0000000000570000-memory.dmp

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