b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526

General

Target

b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe
Size

277KB
MD5

fc6b87deec6c34bb28234faf34cd500e
SHA1

d06ca3ee9059af3cda441c8382220862dde1eafa
SHA256

b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526
SHA512

51ff91c9d022682ff7dd5969f76118b17a7b040422357ce7298a8039d2204dcf5fc28636b7e36d06c34020e97289708fc1085202a77681cf19f2011c24719613
SSDEEP

6144:lXzKdNY49u8rV6R640Ffx1oipKP01netH:Wa4A/s4mfg01U

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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe

Executes dropped EXE 2 IoCs

pid	Process
4296	ITS SB App Switch.exe
3940	ITS SB App Switch.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4760-132-0x0000000000720000-0x00000000007C0000-memory.dmp	upx
behavioral1/memory/4760-138-0x0000000000720000-0x00000000007C0000-memory.dmp	upx
behavioral1/memory/4760-139-0x0000000000720000-0x00000000007C0000-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
4760	b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe
4760	b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe
4760	b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe
4760	b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 4296	4760	b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe	81
PID 4760 wrote to memory of 4296	4760	b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe	81
PID 4760 wrote to memory of 4296	4760	b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe	81
PID 4760 wrote to memory of 3940	4760	b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe	82
PID 4760 wrote to memory of 3940	4760	b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe	82
PID 4760 wrote to memory of 3940	4760	b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe	82

C:\Users\Admin\AppData\Local\Temp\b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe
"C:\Users\Admin\AppData\Local\Temp\b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4760
- 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:4296
- 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:3940

Network

DNS

www.programworkshop.com

b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe

Remote address:

8.8.8.8:53

Request

www.programworkshop.com

IN A

Response

www.programworkshop.com

IN A

64.106.220.214
GET

http://www.programworkshop.com/sbrowser/ws/getconfiguration.aspx?agentidentifier=wincsecb&programid=264&environment=production&starturl=ahr0chm6ly9ldgvzdhnvbmxpbmuub3jnl2h0bww1lymvvgvzdexvz2lul0xvz2lulya=&shortcut=0&cmd=download&sc=0cd898db665ede681f83200836a09aa8593fc92a/

b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe

Remote address:

64.106.220.214:80

Request

GET /sbrowser/ws/getconfiguration.aspx?agentidentifier=wincsecb&programid=264&environment=production&starturl=ahr0chm6ly9ldgvzdhnvbmxpbmuub3jnl2h0bww1lymvvgvzdexvz2lul0xvz2lulya=&shortcut=0&cmd=download&sc=0cd898db665ede681f83200836a09aa8593fc92a/ HTTP/1.1
User-Agent: /DownloadSecureBrowser
Host: www.programworkshop.com

Response

HTTP/1.1 403 Url not valid

Cache-Control: private
Content-Type: text/html
From: P01
p3p: CP="ALL DSP COR CURa ADMo DEVa TAIa CONi OUR DELa STP BUS PHY ONL UNI PUR COM NAV DEM STA"
Date: Sat, 11 Feb 2023 17:05:06 GMT
Content-Length: 1233

209.197.3.8:80

104 B
2
64.106.220.214:80

http://www.programworkshop.com/sbrowser/ws/getconfiguration.aspx?agentidentifier=wincsecb&programid=264&environment=production&starturl=ahr0chm6ly9ldgvzdhnvbmxpbmuub3jnl2h0bww1lymvvgvzdexvz2lul0xvz2lulya=&shortcut=0&cmd=download&sc=0cd898db665ede681f83200836a09aa8593fc92a/

http

b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe

603 B
1.7kB
6
4

HTTP Request

GET http://www.programworkshop.com/sbrowser/ws/getconfiguration.aspx?agentidentifier=wincsecb&programid=264&environment=production&starturl=ahr0chm6ly9ldgvzdhnvbmxpbmuub3jnl2h0bww1lymvvgvzdexvz2lul0xvz2lulya=&shortcut=0&cmd=download&sc=0cd898db665ede681f83200836a09aa8593fc92a/

HTTP Response

403
93.184.220.29:80

322 B
7
13.69.109.130:443

322 B
7
104.80.225.205:443

322 B
7
209.197.3.8:80

322 B
7
209.197.3.8:80

322 B
7

8.8.8.8:53

www.programworkshop.com

dns

b34dace555220bd83f67c6545c00bb7b34b4836c8aa1b3dba5899f5526c77526.exe

69 B
85 B
1
1

DNS Request

www.programworkshop.com

DNS Response

64.106.220.214

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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/4760-132-0x0000000000720000-0x00000000007C0000-memory.dmp

Filesize
640KB

Download
memory/4760-138-0x0000000000720000-0x00000000007C0000-memory.dmp

Filesize
640KB

Download
memory/4760-139-0x0000000000720000-0x00000000007C0000-memory.dmp

Filesize
640KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v6

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