Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09-05-2024 09:26
Behavioral task
behavioral1
Sample
09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe
Resource
win10v2004-20240226-en
General
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Target
09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe
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Size
2.3MB
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MD5
09d8e2f356ead589be3a2fa865d32e20
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SHA1
4be10417d29cbc14dfb469fa385f6f06b7f2c99c
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SHA256
660598b830ca8956542ef9b0f7b4fa45a24c7b68e67f5d9d0b80e319c8655c99
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SHA512
f968fd8a5a4bd610ef9c2146318b1970add0d59a571e8a611434d00d259e5f1f0899cec810e1260fec61f8a98e5f4433345ac4b7a479d0228328c3901f582057
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SSDEEP
49152:ljBPcxYu8TcfGghtisGkcRTa/c1b26TLOvH8yk24tRr8VdjnWd4qFVpDr:l9PKYR03isEX1y6TK8H2iRr8xqF3H
Malware Config
Extracted
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
AvydGQ8TIDH9
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
AvydGQ8TIDH9 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect ZGRat V1 34 IoCs
resource yara_rule behavioral2/memory/4076-4-0x0000000005270000-0x00000000054A0000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-8-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-12-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-56-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-54-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-68-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-66-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-70-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-64-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-62-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-60-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-58-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-52-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-50-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-49-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-42-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-40-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-36-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-46-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-44-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-38-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-34-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-32-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-30-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-28-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-20-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-18-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-16-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-14-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-10-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-26-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-24-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-22-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 behavioral2/memory/4076-7-0x0000000005270000-0x000000000549A000-memory.dmp family_zgrat_v1 -
PureLog Stealer
PureLog Stealer is an infostealer written in C#.
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PureLog Stealer payload 1 IoCs
resource yara_rule behavioral2/memory/4076-1-0x0000000000300000-0x0000000000556000-memory.dmp family_purelog_stealer -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kcsof = "C:\\Users\\Admin\\AppData\\Roaming\\kcsof.exe" 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 62 api.ipify.org 63 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4076 set thread context of 416 4076 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe 100 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 416 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe 416 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4076 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe Token: SeDebugPrivilege 4076 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe Token: SeDebugPrivilege 416 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4076 wrote to memory of 416 4076 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe 100 PID 4076 wrote to memory of 416 4076 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe 100 PID 4076 wrote to memory of 416 4076 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe 100 PID 4076 wrote to memory of 416 4076 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe 100 PID 4076 wrote to memory of 416 4076 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe 100 PID 4076 wrote to memory of 416 4076 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe 100 PID 4076 wrote to memory of 416 4076 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe 100 PID 4076 wrote to memory of 416 4076 09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\Users\Admin\AppData\Local\Temp\09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\09d8e2f356ead589be3a2fa865d32e20_NEIKI.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:416
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3952 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:81⤵PID:2024