aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808

General

Target

aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe
Size

266KB
MD5

8de955bb6305ba547d8dacd51e8f4b3c
SHA1

2a9951873cbb247e16b0a5cff3ac131890157586
SHA256

aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808
SHA512

d7a9db8b9d12f1ac89e70e8a9871a6acd8a592fb2dfc357171be339ab813351a9f09638a50f6f8a3ea6622b3c19f7991473738445fd8b1666e986c94fbb41643
SSDEEP

3072:7NXEGZJWhfNFC4S60+XoLczrVmXHNgglZwHjS+/fbC8DcGsmH01ne4PK:BXzKdNY49u8rV8HsjLHu8DcGd01net

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2104	ITS SB App Switch.exe
4676	ITS SB App Switch.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3580-0-0x0000000000770000-0x0000000000810000-memory.dmp	upx
behavioral2/memory/3580-14-0x0000000000770000-0x0000000000810000-memory.dmp	upx

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
3580	aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe
3580	aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe
3580	aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe
3580	aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 2104	3580	aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe	78
PID 3580 wrote to memory of 2104	3580	aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe	78
PID 3580 wrote to memory of 2104	3580	aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe	78
PID 3580 wrote to memory of 4676	3580	aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe	79
PID 3580 wrote to memory of 4676	3580	aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe	79
PID 3580 wrote to memory of 4676	3580	aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe	79

C:\Users\Admin\AppData\Local\Temp\aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe
"C:\Users\Admin\AppData\Local\Temp\aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3580
- 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:2104
- 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:4676

Network

DNS

www.programworkshop.com

aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe

Remote address:

8.8.8.8:53

Request

www.programworkshop.com

IN A

Response

www.programworkshop.com

IN A

161.47.163.214
DNS

8.8.8.8.in-addr.arpa

aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

nexusrules.officeapps.live.com

aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe

Remote address:

8.8.8.8:53

Request

nexusrules.officeapps.live.com

IN A

Response

nexusrules.officeapps.live.com

IN CNAME

prod.nexusrules.live.com.akadns.net

prod.nexusrules.live.com.akadns.net

IN A

52.111.227.13
DNS

self.events.data.microsoft.com

aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe

Remote address:

8.8.8.8:53

Request

self.events.data.microsoft.com

IN A

Response

self.events.data.microsoft.com

IN CNAME

self-events-data.trafficmanager.net

self-events-data.trafficmanager.net

IN CNAME

onedscolprdwus14.westus.cloudapp.azure.com

onedscolprdwus14.westus.cloudapp.azure.com

IN A

20.189.173.15
GET

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

aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe

Remote address:

161.47.163.214:80

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: ILP01
p3p: CP="ALL DSP COR CURa ADMo DEVa TAIa CONi OUR DELa STP BUS PHY ONL UNI PUR COM NAV DEM STA"
Date: Sat, 04 May 2024 01:54:24 GMT
Content-Length: 1233
DNS

214.163.47.161.in-addr.arpa

Remote address:

8.8.8.8:53

Request

214.163.47.161.in-addr.arpa

IN PTR

Response
DNS

13.227.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

13.227.111.52.in-addr.arpa

IN PTR

Response
DNS

15.173.189.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

15.173.189.20.in-addr.arpa

IN PTR

Response

161.47.163.214:80

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

http

aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe

649 B
1.7kB
7
5

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

8.8.8.8:53

www.programworkshop.com

dns

aa1112eb3342e027570a37eed64abd8c4f8ea4416085f2112d90d0987a127808.exe

287 B
510 B
4
4

DNS Request

www.programworkshop.com

DNS Response

161.47.163.214

DNS Request

8.8.8.8.in-addr.arpa

DNS Request

nexusrules.officeapps.live.com

DNS Response

52.111.227.13

DNS Request

self.events.data.microsoft.com

DNS Response

20.189.173.15
8.8.8.8:53

214.163.47.161.in-addr.arpa

dns

217 B
452 B
3
3

DNS Request

214.163.47.161.in-addr.arpa

DNS Request

13.227.111.52.in-addr.arpa

DNS Request

15.173.189.20.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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
memory/3580-0-0x0000000000770000-0x0000000000810000-memory.dmp

Filesize
640KB

Download
memory/3580-14-0x0000000000770000-0x0000000000810000-memory.dmp

Filesize
640KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Response

DNS Request

DNS Request

DNS Response

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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