Analysis
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max time kernel
150s -
max time network
91s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
25-01-2021 16:11
General
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Target
New Order #21076.exe
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Size
926KB
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MD5
7de57138380dd92fbee7229d46adee4a
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SHA1
bb63c25fc5730c0766f6f0de491725bc034a8a1f
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SHA256
5a052664d784432a0f9a707401e4095bef5d7703c32f9314dd5c9bdd5b273a1d
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SHA512
709d5e1ece9924d54560c332c2e4ae62778fd3dabafaee53b5b7e4e90f83a271e434b071f3fdccc6b0de3183a556835f049341df0b3e7a61769000809333f85c
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.tthyssenkrupp.com - Port:
587 - Username:
[email protected] - Password:
pgrOSoL7
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs
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Looks for VMWare Tools registry key 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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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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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\New Order #21076.exe"C:\Users\Admin\AppData\Local\Temp\New Order #21076.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mVidlWHLZus" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA229.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\New Order #21076.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpA229.tmpMD5
66ec29372ee090b3607e0922a2c51ace
SHA19630dbc4d05d9a53fcc1b84366a74d0a2a296057
SHA2563afd69e7b728acd09a4cf7eec62285add6b2b1621bcba93f083d0aa9f82f384b
SHA512d3374724e772188e7fef096ade93322c8ee6c2b4334cf53034440b665c47ff1dcedaa48c14bd2c6c2308c5a95cebf3d782a632f0cbf349d82bea996d3d60bdf1
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memory/624-8-0x0000000000000000-mapping.dmp
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memory/748-12-0x0000000074CF0000-0x00000000753DE000-memory.dmpFilesize
6.9MB
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memory/748-10-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/748-11-0x00000000004375FE-mapping.dmp
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memory/748-13-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/748-15-0x0000000004B30000-0x0000000004B31000-memory.dmpFilesize
4KB
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memory/748-16-0x0000000004B31000-0x0000000004B32000-memory.dmpFilesize
4KB
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memory/1076-6-0x00000000046E0000-0x00000000046E1000-memory.dmpFilesize
4KB
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memory/1076-7-0x0000000005490000-0x000000000551C000-memory.dmpFilesize
560KB
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memory/1076-5-0x00000000003D0000-0x00000000003DE000-memory.dmpFilesize
56KB
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memory/1076-3-0x00000000002C0000-0x00000000002C1000-memory.dmpFilesize
4KB
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memory/1076-2-0x0000000074CF0000-0x00000000753DE000-memory.dmpFilesize
6.9MB