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Analysis
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max time kernel
94s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14/01/2025, 01:06 UTC
Static task
static1
Behavioral task
behavioral1
Sample
orden de compra_765645343465789675764567845768795764.exe
Resource
win7-20241023-en
General
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Target
orden de compra_765645343465789675764567845768795764.exe
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Size
2.4MB
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MD5
038582cff59bd7c92aa1d71b8ac632c7
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SHA1
ff4bfdc38ab995019c8685ea4bc63951e5f370ee
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SHA256
9b688c5929cea65ae3f69a22b3780fa3f45b434fce94a9ccd39392b8dc7003b5
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SHA512
6e72be1e887a305ae4636b063b9438a0c0cfe667387a235960f57b0853973a23e426508aeef9adc6891e6536a1c3bf2c41b00961f6aad32e0eb2f2b7d2f82a33
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SSDEEP
49152:dbdYAm4zEbdYAm4zXbdYAm4zKbdYAm4zFbdYAm4zB3An3AI3AJ3Aa:ddrWdrrdrAdr1drlA3AaAtAa
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.fosna.net - Port:
21 - Username:
madamweb@fosna.net - Password:
=A+N^@~c]~#I
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 15 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3044 set thread context of 4212 3044 orden de compra_765645343465789675764567845768795764.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regasm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language orden de compra_765645343465789675764567845768795764.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4212 regasm.exe 4212 regasm.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 3044 orden de compra_765645343465789675764567845768795764.exe 3044 orden de compra_765645343465789675764567845768795764.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4212 regasm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3044 orden de compra_765645343465789675764567845768795764.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3044 wrote to memory of 2652 3044 orden de compra_765645343465789675764567845768795764.exe 82 PID 3044 wrote to memory of 2652 3044 orden de compra_765645343465789675764567845768795764.exe 82 PID 3044 wrote to memory of 2652 3044 orden de compra_765645343465789675764567845768795764.exe 82 PID 3044 wrote to memory of 2652 3044 orden de compra_765645343465789675764567845768795764.exe 82 PID 3044 wrote to memory of 4212 3044 orden de compra_765645343465789675764567845768795764.exe 83 PID 3044 wrote to memory of 4212 3044 orden de compra_765645343465789675764567845768795764.exe 83 PID 3044 wrote to memory of 4212 3044 orden de compra_765645343465789675764567845768795764.exe 83 PID 3044 wrote to memory of 4212 3044 orden de compra_765645343465789675764567845768795764.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\orden de compra_765645343465789675764567845768795764.exe"C:\Users\Admin\AppData\Local\Temp\orden de compra_765645343465789675764567845768795764.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵PID:2652
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4212
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Network
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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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Remote address:8.8.8.8:53Request28.118.140.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request133.130.81.91.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request68.32.126.40.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request167.173.78.104.in-addr.arpaIN PTRResponse167.173.78.104.in-addr.arpaIN PTRa104-78-173-167deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Requestip-api.comIN AResponseip-api.comIN A208.95.112.1
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Remote address:208.95.112.1:80RequestGET /line/?fields=hosting HTTP/1.1
Host: ip-api.com
Connection: Keep-Alive
ResponseHTTP/1.1 200 OK
Content-Type: text/plain; charset=utf-8
Content-Length: 6
Access-Control-Allow-Origin: *
X-Ttl: 60
X-Rl: 44
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Remote address:8.8.8.8:53Request1.112.95.208.in-addr.arpaIN PTRResponse1.112.95.208.in-addr.arpaIN PTRip-apicom
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Remote address:8.8.8.8:53Request196.249.167.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request56.163.245.4.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request198.187.3.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request134.71.91.104.in-addr.arpaIN PTRResponse134.71.91.104.in-addr.arpaIN PTRa104-91-71-134deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request8.153.16.2.in-addr.arpaIN PTRResponse8.153.16.2.in-addr.arpaIN PTRa2-16-153-8deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request14.227.111.52.in-addr.arpaIN PTRResponse
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310 B 347 B 5 4
HTTP Request
GET http://ip-api.com/line/?fields=hostingHTTP Response
200
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66 B 90 B 1 1
DNS Request
8.8.8.8.in-addr.arpa
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72 B 158 B 1 1
DNS Request
28.118.140.52.in-addr.arpa
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72 B 147 B 1 1
DNS Request
133.130.81.91.in-addr.arpa
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71 B 157 B 1 1
DNS Request
68.32.126.40.in-addr.arpa
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73 B 139 B 1 1
DNS Request
167.173.78.104.in-addr.arpa
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56 B 72 B 1 1
DNS Request
ip-api.com
DNS Response
208.95.112.1
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71 B 95 B 1 1
DNS Request
1.112.95.208.in-addr.arpa
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73 B 147 B 1 1
DNS Request
196.249.167.52.in-addr.arpa
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71 B 157 B 1 1
DNS Request
56.163.245.4.in-addr.arpa
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71 B 157 B 1 1
DNS Request
198.187.3.20.in-addr.arpa
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72 B 137 B 1 1
DNS Request
134.71.91.104.in-addr.arpa
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69 B 131 B 1 1
DNS Request
8.153.16.2.in-addr.arpa
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72 B 158 B 1 1
DNS Request
14.227.111.52.in-addr.arpa