bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4

Analysis

max time kernel
130s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 04:18

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General

Target

bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe
Size

266KB
MD5

c1d0ebeab2faa63af5726d27b2be4b88
SHA1

d3a4821786a021ac544617257ed4e3e41284ba5a
SHA256

bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4
SHA512

3e7fd40535b5746f1da7fc4bb19d978932f5e9c89d943f313ff83b0bfa86d33f054fbd78fbb9e1f5b20d6f98c376f519ffec8f149930e7748f1fb87d60e5c4cc
SSDEEP

6144:VXzKdNY49u8rV4sFx4cj3VUKIpBd201net:Ga4Aw4cxfIo01

Score

7^/10

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

Processes:

bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe

Executes dropped EXE 2 IoCs

Processes:

ITS SB App Switch.exeITS SB App Switch.exe

pid process

1540 ITS SB App Switch.exe
680 ITS SB App Switch.exe

pid	process
1540	ITS SB App Switch.exe
680	ITS SB App Switch.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/4192-0-0x00000000004B0000-0x0000000000550000-memory.dmp	upx
behavioral1/memory/4192-15-0x00000000004B0000-0x0000000000550000-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

Processes:

bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe

pid	process
4192	bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe
4192	bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe
4192	bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe
4192	bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe

description	pid	process	target process
PID 4192 wrote to memory of 1540	4192	bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe	ITS SB App Switch.exe
PID 4192 wrote to memory of 1540	4192	bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe	ITS SB App Switch.exe
PID 4192 wrote to memory of 1540	4192	bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe	ITS SB App Switch.exe
PID 4192 wrote to memory of 680	4192	bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe	ITS SB App Switch.exe
PID 4192 wrote to memory of 680	4192	bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe	ITS SB App Switch.exe
PID 4192 wrote to memory of 680	4192	bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe	ITS SB App Switch.exe

C:\Users\Admin\AppData\Local\Temp\bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe
"C:\Users\Admin\AppData\Local\Temp\bbf5f460173e5eac4ea4b3a958deba2e62288a2f04a1c956b7463c67e9e822e4.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4192

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:1540

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:680

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
memory/4192-0-0x00000000004B0000-0x0000000000550000-memory.dmp

Filesize
640KB

Download
memory/4192-15-0x00000000004B0000-0x0000000000550000-memory.dmp

Filesize
640KB

Download