1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a

Analysis

max time kernel
104s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
17/05/2023, 00:08

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General

Target

1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe
Size

277KB
MD5

78a167da2390ad25f61c8f3f53bb0815
SHA1

b4b3d2ed9cb11c5751d4e11953a783a2093b0ec4
SHA256

1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a
SHA512

9cd06e2da644acd8adb5749938354452501ca891586ed4b86564f0022f5a48e2217f2caf6fe5ad4a22c1a668416cebfa1000a3f856aff7fd3ee2f4dbdb3c4879
SSDEEP

6144:gXzKdNY49u8rVhYSEhI1pRDl8yusB01netl:fa4A4B80p2sB01u

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/2120-133-0x0000000000C70000-0x0000000000D10000-memory.dmp	upx
behavioral1/memory/2120-147-0x0000000000C70000-0x0000000000D10000-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-1-5-21-2548970870-3691742953-3895070203-1000\Control Panel\International\Geo\Nation	1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe

Executes dropped EXE 2 IoCs

pid	Process
4472	ITS SB App Switch.exe
988	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
2120	1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe
2120	1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe
2120	1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe
2120	1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 4472	2120	1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe	85
PID 2120 wrote to memory of 4472	2120	1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe	85
PID 2120 wrote to memory of 4472	2120	1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe	85
PID 2120 wrote to memory of 988	2120	1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe	86
PID 2120 wrote to memory of 988	2120	1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe	86
PID 2120 wrote to memory of 988	2120	1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe	86

C:\Users\Admin\AppData\Local\Temp\1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe
"C:\Users\Admin\AppData\Local\Temp\1f71b8ce32bb124befcd2ef23fab9cecc63c4c2eba874d48fcf7842f6927395a.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2120
- 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:4472
- 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:988

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/2120-133-0x0000000000C70000-0x0000000000D10000-memory.dmp

Filesize
640KB

Download
memory/2120-147-0x0000000000C70000-0x0000000000D10000-memory.dmp

Filesize
640KB

Download