Analysis
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max time kernel
127s -
max time network
153s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
27-07-2021 08:53
Static task
static1
Behavioral task
behavioral1
Sample
93f1feffe4a797163f55f1caca45182a.exe
Resource
win7v20210408
General
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Target
93f1feffe4a797163f55f1caca45182a.exe
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Size
777KB
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MD5
93f1feffe4a797163f55f1caca45182a
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SHA1
6cfbf536209e0c0256479785fec1ced9b2f77a11
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SHA256
4afaa463a048f9c89866a9c7154bf4a9d20ed849cdf6a8c0cf4b0b8b105d8e3a
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SHA512
3302bb5e03c8c87e3539dad5ae5b20bf240d5a379e3c62b14a6a6afd9dcbb0bc079b629349cd05d4e1c9931e70f475ee1c094f59b8a014765cef72fe7f33e7a4
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.badonfashoin.com/ - Port:
21 - Username:
logs@badonfashoin.com - Password:
sKsYZiIYQn6y
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/3088-128-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3088-129-0x000000000043701E-mapping.dmp family_agenttesla behavioral2/memory/3088-136-0x0000000005570000-0x0000000005A6E000-memory.dmp family_agenttesla behavioral2/memory/3088-141-0x0000000005570000-0x0000000005A6E000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
Processes:
InstallUtil.exepid process 3088 InstallUtil.exe -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral2/memory/2752-122-0x0000000006EC0000-0x0000000006EE1000-memory.dmp agile_net -
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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Suspicious use of SetThreadContext 1 IoCs
Processes:
93f1feffe4a797163f55f1caca45182a.exedescription pid process target process PID 2752 set thread context of 3088 2752 93f1feffe4a797163f55f1caca45182a.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
93f1feffe4a797163f55f1caca45182a.exeInstallUtil.exepid process 2752 93f1feffe4a797163f55f1caca45182a.exe 2752 93f1feffe4a797163f55f1caca45182a.exe 3088 InstallUtil.exe 3088 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
93f1feffe4a797163f55f1caca45182a.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 2752 93f1feffe4a797163f55f1caca45182a.exe Token: SeDebugPrivilege 3088 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
93f1feffe4a797163f55f1caca45182a.exedescription pid process target process PID 2752 wrote to memory of 3088 2752 93f1feffe4a797163f55f1caca45182a.exe InstallUtil.exe PID 2752 wrote to memory of 3088 2752 93f1feffe4a797163f55f1caca45182a.exe InstallUtil.exe PID 2752 wrote to memory of 3088 2752 93f1feffe4a797163f55f1caca45182a.exe InstallUtil.exe PID 2752 wrote to memory of 3088 2752 93f1feffe4a797163f55f1caca45182a.exe InstallUtil.exe PID 2752 wrote to memory of 3088 2752 93f1feffe4a797163f55f1caca45182a.exe InstallUtil.exe PID 2752 wrote to memory of 3088 2752 93f1feffe4a797163f55f1caca45182a.exe InstallUtil.exe PID 2752 wrote to memory of 3088 2752 93f1feffe4a797163f55f1caca45182a.exe InstallUtil.exe PID 2752 wrote to memory of 3088 2752 93f1feffe4a797163f55f1caca45182a.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\93f1feffe4a797163f55f1caca45182a.exe"C:\Users\Admin\AppData\Local\Temp\93f1feffe4a797163f55f1caca45182a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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memory/2752-120-0x0000000006060000-0x0000000006061000-memory.dmpFilesize
4KB
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memory/2752-127-0x0000000009D30000-0x0000000009D31000-memory.dmpFilesize
4KB
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memory/2752-119-0x0000000006070000-0x0000000006071000-memory.dmpFilesize
4KB
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memory/2752-114-0x0000000000CE0000-0x0000000000CE1000-memory.dmpFilesize
4KB
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memory/2752-122-0x0000000006EC0000-0x0000000006EE1000-memory.dmpFilesize
132KB
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memory/2752-123-0x0000000006FA0000-0x0000000006FA1000-memory.dmpFilesize
4KB
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memory/2752-124-0x0000000006F60000-0x0000000006F61000-memory.dmpFilesize
4KB
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memory/2752-125-0x0000000006061000-0x0000000006062000-memory.dmpFilesize
4KB
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memory/2752-126-0x0000000007740000-0x000000000774B000-memory.dmpFilesize
44KB
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memory/2752-118-0x00000000056E0000-0x00000000056E1000-memory.dmpFilesize
4KB
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memory/2752-116-0x0000000005AA0000-0x0000000005AA1000-memory.dmpFilesize
4KB
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memory/2752-117-0x0000000005640000-0x0000000005641000-memory.dmpFilesize
4KB
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memory/3088-129-0x000000000043701E-mapping.dmp
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memory/3088-128-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3088-136-0x0000000005570000-0x0000000005A6E000-memory.dmpFilesize
5.0MB
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memory/3088-137-0x0000000005A40000-0x0000000005A41000-memory.dmpFilesize
4KB
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memory/3088-140-0x0000000001500000-0x0000000001501000-memory.dmpFilesize
4KB
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memory/3088-141-0x0000000005570000-0x0000000005A6E000-memory.dmpFilesize
5.0MB