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Analysis
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max time kernel
87s -
max time network
101s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
08/04/2024, 23:10 UTC
Behavioral task
behavioral1
Sample
b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe
Resource
win11-20240221-en
General
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Target
b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe
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Size
266KB
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MD5
6959523ea0b10e21643ce2501ca71e5f
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SHA1
4800834e4b9f18c77fb4aa2be523b3b4f74ea399
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SHA256
b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7
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SHA512
e9910365523bb0cbd1cd6957e97238783de4e56083967293fee792aed18289fc4952a4a0e4c8c0dc21bd234a4fefb799b8995ce62a118224d4b32c1ae3fcd485
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SSDEEP
3072:/NXEGZJWhfNFC4S60+XoLczrVmXspu2aOZrCQ8IVirmBtJjcWTwiNH01ne4PK:FXzKdNY49u8rV3hriGtJjcWjV01net
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 876 ITS SB App Switch.exe 1480 ITS SB App Switch.exe -
resource yara_rule behavioral2/memory/2644-0-0x00000000008E0000-0x0000000000980000-memory.dmp upx behavioral2/memory/2644-14-0x00000000008E0000-0x0000000000980000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2644 b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe 2644 b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe 2644 b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe 2644 b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2644 wrote to memory of 876 2644 b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe 80 PID 2644 wrote to memory of 876 2644 b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe 80 PID 2644 wrote to memory of 876 2644 b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe 80 PID 2644 wrote to memory of 1480 2644 b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe 81 PID 2644 wrote to memory of 1480 2644 b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe 81 PID 2644 wrote to memory of 1480 2644 b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe"C:\Users\Admin\AppData\Local\Temp\b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2644 -
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:876
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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:1480
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Network
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Remote address:8.8.8.8:53Requestwww.programworkshop.comIN AResponsewww.programworkshop.comIN A161.47.163.214
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Remote address:8.8.8.8:53Request8.8.8.8.in-addr.arpaIN PTRResponse8.8.8.8.in-addr.arpaIN PTRdnsgoogle
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DNS214.163.47.161.in-addr.arpab2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exeRemote address:8.8.8.8:53Request214.163.47.161.in-addr.arpaIN PTRResponse
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DNSnexusrules.officeapps.live.comb2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exeRemote address:8.8.8.8:53Requestnexusrules.officeapps.live.comIN AResponsenexusrules.officeapps.live.comIN CNAMEprod.nexusrules.live.com.akadns.netprod.nexusrules.live.com.akadns.netIN A52.111.229.48
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Remote address:8.8.8.8:53Request48.229.111.52.in-addr.arpaIN PTRResponse
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GEThttp://www.programworkshop.com/sbrowser/ws/getconfiguration.aspx?agentidentifier=wincsecb&programid=264&environment=production&starturl=ahr0chm6ly9ldgvzdhnvbmxpbmuub3jnl2h0bww1lymvvgvzdexvz2lul0xvz2lulya=&shortcut=0&cmd=download&sc=0cd898db665ede681f83200836a09aa8593fc92a/b2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exeRemote address:161.47.163.214:80RequestGET /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
ResponseHTTP/1.1 403 Url not valid
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: Mon, 08 Apr 2024 23:10:48 GMT
Content-Length: 1233
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161.47.163.214:80http://www.programworkshop.com/sbrowser/ws/getconfiguration.aspx?agentidentifier=wincsecb&programid=264&environment=production&starturl=ahr0chm6ly9ldgvzdhnvbmxpbmuub3jnl2h0bww1lymvvgvzdexvz2lul0xvz2lulya=&shortcut=0&cmd=download&sc=0cd898db665ede681f83200836a09aa8593fc92a/httpb2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe1.0kB 1.7kB 8 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
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8.8.8.8:53www.programworkshop.comdnsb2218ce5a194feef051bfc1c2b9ca676a45de719a92ff760e8ab707ddadf25f7.exe356 B 610 B 5 5
DNS Request
www.programworkshop.com
DNS Response
161.47.163.214
DNS Request
8.8.8.8.in-addr.arpa
DNS Request
214.163.47.161.in-addr.arpa
DNS Request
nexusrules.officeapps.live.com
DNS Response
52.111.229.48
DNS Request
48.229.111.52.in-addr.arpa
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
87KB
MD5368332fca74f48697d842c5f4698ae1d
SHA10275153a1e62bd0eca0b02168895517ed66aac56
SHA2563a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5