Analysis
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max time kernel
138s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
27-07-2021 15:46
Static task
static1
Behavioral task
behavioral1
Sample
d07003cbc330579112e9ed1bffc1905b.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
d07003cbc330579112e9ed1bffc1905b.exe
Resource
win10v20210408
General
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Target
d07003cbc330579112e9ed1bffc1905b.exe
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Size
641KB
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MD5
d07003cbc330579112e9ed1bffc1905b
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SHA1
fb68a99eeb0f33366398b2dbc499a0e74b64d584
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SHA256
76938d4e2c8778bce2177462dd2875d041e69e43036c0b8e3c2f8b6e650232dd
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SHA512
dfa6414a6d48dd0ecff853cb730301f21c99efb9b77746f4da4f755e5f326f755f97a5a3652399e2dc3aa739b62444974a7be7079a544fe9eb5c8b9babaeb649
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.spamora.net - Port:
587 - Username:
account@jiqdyi.com - Password:
Emotion22
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3444-126-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3444-127-0x0000000000437AEE-mapping.dmp family_agenttesla behavioral2/memory/3444-132-0x0000000004E00000-0x00000000052FE000-memory.dmp family_agenttesla behavioral2/memory/3444-137-0x0000000004E00000-0x00000000052FE000-memory.dmp family_agenttesla -
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
Processes:
d07003cbc330579112e9ed1bffc1905b.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\MLdAu = "C:\\Users\\Admin\\AppData\\Roaming\\MLdAu\\MLdAu.exe" d07003cbc330579112e9ed1bffc1905b.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
d07003cbc330579112e9ed1bffc1905b.exedescription pid process target process PID 656 set thread context of 3444 656 d07003cbc330579112e9ed1bffc1905b.exe d07003cbc330579112e9ed1bffc1905b.exe -
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
Processes:
d07003cbc330579112e9ed1bffc1905b.exed07003cbc330579112e9ed1bffc1905b.exepid process 656 d07003cbc330579112e9ed1bffc1905b.exe 3444 d07003cbc330579112e9ed1bffc1905b.exe 3444 d07003cbc330579112e9ed1bffc1905b.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
d07003cbc330579112e9ed1bffc1905b.exed07003cbc330579112e9ed1bffc1905b.exedescription pid process Token: SeDebugPrivilege 656 d07003cbc330579112e9ed1bffc1905b.exe Token: SeDebugPrivilege 3444 d07003cbc330579112e9ed1bffc1905b.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
d07003cbc330579112e9ed1bffc1905b.exepid process 3444 d07003cbc330579112e9ed1bffc1905b.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
d07003cbc330579112e9ed1bffc1905b.exedescription pid process target process PID 656 wrote to memory of 1868 656 d07003cbc330579112e9ed1bffc1905b.exe schtasks.exe PID 656 wrote to memory of 1868 656 d07003cbc330579112e9ed1bffc1905b.exe schtasks.exe PID 656 wrote to memory of 1868 656 d07003cbc330579112e9ed1bffc1905b.exe schtasks.exe PID 656 wrote to memory of 3444 656 d07003cbc330579112e9ed1bffc1905b.exe d07003cbc330579112e9ed1bffc1905b.exe PID 656 wrote to memory of 3444 656 d07003cbc330579112e9ed1bffc1905b.exe d07003cbc330579112e9ed1bffc1905b.exe PID 656 wrote to memory of 3444 656 d07003cbc330579112e9ed1bffc1905b.exe d07003cbc330579112e9ed1bffc1905b.exe PID 656 wrote to memory of 3444 656 d07003cbc330579112e9ed1bffc1905b.exe d07003cbc330579112e9ed1bffc1905b.exe PID 656 wrote to memory of 3444 656 d07003cbc330579112e9ed1bffc1905b.exe d07003cbc330579112e9ed1bffc1905b.exe PID 656 wrote to memory of 3444 656 d07003cbc330579112e9ed1bffc1905b.exe d07003cbc330579112e9ed1bffc1905b.exe PID 656 wrote to memory of 3444 656 d07003cbc330579112e9ed1bffc1905b.exe d07003cbc330579112e9ed1bffc1905b.exe PID 656 wrote to memory of 3444 656 d07003cbc330579112e9ed1bffc1905b.exe d07003cbc330579112e9ed1bffc1905b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d07003cbc330579112e9ed1bffc1905b.exe"C:\Users\Admin\AppData\Local\Temp\d07003cbc330579112e9ed1bffc1905b.exe"1⤵
- 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\GBhgDENmNLJQb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFDCE.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\d07003cbc330579112e9ed1bffc1905b.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpFDCE.tmpMD5
f784818892fac1ed30d8ec48fdea0530
SHA18bdbb3385d405d3a53bc39a66638b3c3d6347c3b
SHA256da9c17ca40c3ef6ef379724bc7780e7d06d531b6ebaa71b1220df58e4065db14
SHA512d4f5a308c44858a8e31cf15fe70bbcb318be25edfc3d42aa2b1f2f738a499b27cff75fa2ef5bd01f201fad1e1117a5e3a82caad2a5f7593fbd12f6334e3cc2f3
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memory/656-123-0x0000000006E60000-0x0000000006E9E000-memory.dmpFilesize
248KB
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memory/656-116-0x0000000005770000-0x0000000005771000-memory.dmpFilesize
4KB
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memory/656-118-0x0000000005270000-0x000000000576E000-memory.dmpFilesize
5.0MB
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memory/656-119-0x0000000005240000-0x0000000005241000-memory.dmpFilesize
4KB
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memory/656-114-0x00000000008C0000-0x00000000008C1000-memory.dmpFilesize
4KB
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memory/656-121-0x0000000008840000-0x0000000008841000-memory.dmpFilesize
4KB
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memory/656-117-0x0000000005190000-0x0000000005191000-memory.dmpFilesize
4KB
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memory/656-122-0x0000000006F60000-0x0000000006FE1000-memory.dmpFilesize
516KB
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memory/656-120-0x00000000054F0000-0x00000000054F2000-memory.dmpFilesize
8KB
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memory/1868-124-0x0000000000000000-mapping.dmp
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memory/3444-126-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3444-127-0x0000000000437AEE-mapping.dmp
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memory/3444-132-0x0000000004E00000-0x00000000052FE000-memory.dmpFilesize
5.0MB
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memory/3444-133-0x0000000005AF0000-0x0000000005AF1000-memory.dmpFilesize
4KB
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memory/3444-134-0x0000000005B80000-0x0000000005B81000-memory.dmpFilesize
4KB
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memory/3444-137-0x0000000004E00000-0x00000000052FE000-memory.dmpFilesize
5.0MB