915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e

Analysis

max time kernel
92s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2023, 03:59

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General

Target

915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e.exe
Size

277KB
MD5

bcc48fc75e41b868f941b4bd81552c48
SHA1

731300e134bf811e9b8e13861f58356017c878f6
SHA256

915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e
SHA512

a747081aa616207883062886fb568992ad654f3fd4406d19e3387a2313dba3b1193ad9188bb25371481435a6d5f08207f9e82e5c2bf22d55557d4586a8bf4f07
SSDEEP

6144:/XzKdNY49u8rVUcFLET/TRPkTMe3r01netC:Aa4AgM/tPCN3r01p

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e.exe

Executes dropped EXE 2 IoCs

pid	Process
4916	ITS SB App Switch.exe
4428	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/5000-132-0x0000000000900000-0x00000000009A0000-memory.dmp	upx
behavioral1/memory/5000-137-0x0000000000900000-0x00000000009A0000-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
5000	915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e.exe
5000	915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e.exe
5000	915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e.exe
5000	915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 4916	5000	915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e.exe	83
PID 5000 wrote to memory of 4916	5000	915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e.exe	83
PID 5000 wrote to memory of 4916	5000	915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e.exe	83
PID 5000 wrote to memory of 4428	5000	915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e.exe	84
PID 5000 wrote to memory of 4428	5000	915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e.exe	84
PID 5000 wrote to memory of 4428	5000	915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e.exe	84

C:\Users\Admin\AppData\Local\Temp\915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e.exe
"C:\Users\Admin\AppData\Local\Temp\915b2cd8a910dd11fdf39b847cf13780f8f72ac77eb37f9e5e2108e96a47d31e.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5000
- 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:4916
- 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:4428

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
memory/5000-132-0x0000000000900000-0x00000000009A0000-memory.dmp

Filesize
640KB

Download
memory/5000-137-0x0000000000900000-0x00000000009A0000-memory.dmp

Filesize
640KB

Download