755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
01/03/2023, 12:25

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General

Target

755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396.exe
Size

277KB
MD5

64ca77750c6f406ca86326ee7729d10a
SHA1

9fa152adbe122a0eee1d00f57dcd05bbebdf02c3
SHA256

755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396
SHA512

f61c15972889294ca8221c4ea2ce2295d06c9ca6e766565fc0314afae54f359b5092d0f6d7001b9f6aa310aa6db717b8fb65447a799d37b49aebf0d86663fb65
SSDEEP

3072:BNXEGZJWhfNFC4S60+XoLczrVmXw3htSlyXnOBATu3rejB1MiqGwegdzH01ne4Pp:fXzKdNY49u8rVKlOJCKvMiqGyF01netI

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396.exe

Executes dropped EXE 2 IoCs

pid	Process
1968	ITS SB App Switch.exe
2476	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/620-133-0x00000000001C0000-0x0000000000260000-memory.dmp	upx
behavioral1/memory/620-147-0x00000000001C0000-0x0000000000260000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
620	755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396.exe
620	755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396.exe
620	755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396.exe
620	755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 620 wrote to memory of 1968	620	755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396.exe	84
PID 620 wrote to memory of 1968	620	755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396.exe	84
PID 620 wrote to memory of 1968	620	755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396.exe	84
PID 620 wrote to memory of 2476	620	755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396.exe	85
PID 620 wrote to memory of 2476	620	755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396.exe	85
PID 620 wrote to memory of 2476	620	755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396.exe	85

C:\Users\Admin\AppData\Local\Temp\755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396.exe
"C:\Users\Admin\AppData\Local\Temp\755cbc99b8a2f20918bdb6ee0d4dd810c74ab0e1cdd7012e53a84ee768f00396.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:620
- 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:1968
- 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:2476

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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
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
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/620-133-0x00000000001C0000-0x0000000000260000-memory.dmp

Filesize
640KB

Download
memory/620-147-0x00000000001C0000-0x0000000000260000-memory.dmp

Filesize
640KB

Download