77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d

Resubmissions

21/06/2023, 15:04

230621-sfytyabd6y 7

Analysis

max time kernel
53s
max time network
75s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
21/06/2023, 15:04

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General

Target

77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d.exe
Size

277KB
MD5

ef8dafb983fc638257dc9783399492dd
SHA1

14631829a5cbc1b31880670d1043a22514194dca
SHA256

77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d
SHA512

26f31f144555a7e44fe62b9d4c17ac2a066fdef854d9ccea47703787f470263621aee7225f1f2c5a4f4d5dcfa0cab75e9450ab2a571ede3206e635c69ecbb84c
SSDEEP

6144:TXzKdNY49u8rV3vVQT/TRPkTMekKw01netm:Ma4AS9A/tPCNkj01B

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4988-133-0x0000000000020000-0x00000000000C0000-memory.dmp	upx
behavioral1/memory/4988-147-0x0000000000020000-0x00000000000C0000-memory.dmp	upx

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-1-5-21-508929744-1894537824-211734425-1000\Control Panel\International\Geo\Nation	77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d.exe

Executes dropped EXE 2 IoCs

pid	Process
4860	ITS SB App Switch.exe
2652	ITS SB App Switch.exe

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
4988	77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d.exe
4988	77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d.exe
4988	77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d.exe
4988	77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 4860	4988	77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d.exe	80
PID 4988 wrote to memory of 4860	4988	77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d.exe	80
PID 4988 wrote to memory of 4860	4988	77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d.exe	80
PID 4988 wrote to memory of 2652	4988	77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d.exe	81
PID 4988 wrote to memory of 2652	4988	77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d.exe	81
PID 4988 wrote to memory of 2652	4988	77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d.exe	81

C:\Users\Admin\AppData\Local\Temp\77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d.exe
"C:\Users\Admin\AppData\Local\Temp\77be2e1f500d93858140742c596b0cd3d47512c1b8939633d41bb212b326e96d.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4988
- 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:4860
- 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:2652

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/4988-133-0x0000000000020000-0x00000000000C0000-memory.dmp

Filesize
640KB

Download
memory/4988-147-0x0000000000020000-0x00000000000C0000-memory.dmp

Filesize
640KB

Download