Analysis
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max time kernel
225s -
max time network
166s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-04-2021 16:01
Static task
static1
Behavioral task
behavioral1
Sample
DHL_docs600857460.exe
Resource
win7v20210408
General
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Target
DHL_docs600857460.exe
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Size
1.1MB
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MD5
dc6de93fc0e9afedd54a7848fcb2943e
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SHA1
b7508d365557c95c6ea8fbf32ffd4ce5f0a99642
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SHA256
ee6ada9de678d7139d3f081d1d467cfa50ee2f733af25b62ed16411818a847c1
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SHA512
972d7c8d681e5dd0ee1acc1a2d605c4f0b777854f7547f30e906a35e94e5e75c94c02ec53ebb008d054b5b93a365d7b0b5d2dbc231839197ddc14867843f1b12
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.ministryofcustomsandtrade.org - Port:
587 - Username:
proton@ministryofcustomsandtrade.org - Password:
eLsZecV2
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/364-65-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/364-66-0x00000000004374BE-mapping.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DHL_docs600857460.exedescription pid process target process PID 1608 set thread context of 364 1608 DHL_docs600857460.exe DHL_docs600857460.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 4 IoCs
Processes:
DHL_docs600857460.exeDHL_docs600857460.exepid process 1608 DHL_docs600857460.exe 1608 DHL_docs600857460.exe 364 DHL_docs600857460.exe 364 DHL_docs600857460.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
dw20.exepid process 564 dw20.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
DHL_docs600857460.exeDHL_docs600857460.exedescription pid process Token: SeDebugPrivilege 1608 DHL_docs600857460.exe Token: SeDebugPrivilege 364 DHL_docs600857460.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
DHL_docs600857460.exeDHL_docs600857460.exedescription pid process target process PID 1608 wrote to memory of 1668 1608 DHL_docs600857460.exe schtasks.exe PID 1608 wrote to memory of 1668 1608 DHL_docs600857460.exe schtasks.exe PID 1608 wrote to memory of 1668 1608 DHL_docs600857460.exe schtasks.exe PID 1608 wrote to memory of 1668 1608 DHL_docs600857460.exe schtasks.exe PID 1608 wrote to memory of 364 1608 DHL_docs600857460.exe DHL_docs600857460.exe PID 1608 wrote to memory of 364 1608 DHL_docs600857460.exe DHL_docs600857460.exe PID 1608 wrote to memory of 364 1608 DHL_docs600857460.exe DHL_docs600857460.exe PID 1608 wrote to memory of 364 1608 DHL_docs600857460.exe DHL_docs600857460.exe PID 1608 wrote to memory of 364 1608 DHL_docs600857460.exe DHL_docs600857460.exe PID 1608 wrote to memory of 364 1608 DHL_docs600857460.exe DHL_docs600857460.exe PID 1608 wrote to memory of 364 1608 DHL_docs600857460.exe DHL_docs600857460.exe PID 1608 wrote to memory of 364 1608 DHL_docs600857460.exe DHL_docs600857460.exe PID 1608 wrote to memory of 364 1608 DHL_docs600857460.exe DHL_docs600857460.exe PID 364 wrote to memory of 564 364 DHL_docs600857460.exe dw20.exe PID 364 wrote to memory of 564 364 DHL_docs600857460.exe dw20.exe PID 364 wrote to memory of 564 364 DHL_docs600857460.exe dw20.exe PID 364 wrote to memory of 564 364 DHL_docs600857460.exe dw20.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL_docs600857460.exe"C:\Users\Admin\AppData\Local\Temp\DHL_docs600857460.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\ThqLFEpUYyPVk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2BF0.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\DHL_docs600857460.exe"C:\Users\Admin\AppData\Local\Temp\DHL_docs600857460.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 5203⤵
- Suspicious behavior: GetForegroundWindowSpam
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp2BF0.tmpMD5
588af039f884b3e7f97d133b8788d8bd
SHA10d7ba1c39a88b4b1e3fbe111b7aceb8178c865dc
SHA256cc082b164f1a52d717160f11c67f39c8aea98152cfb70b739bd10198a62789b2
SHA512f76fd9739d8a32cf7dc6864a1cb237c3a810cf2e6af48fda693bfa15ae3103ab796dddde35c971e5784b6d9a0e180074dba1c02579ace10b709d89ec61c5134f
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memory/364-65-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/364-66-0x00000000004374BE-mapping.dmp
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memory/364-68-0x0000000000E30000-0x0000000000E31000-memory.dmpFilesize
4KB
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memory/564-69-0x0000000000000000-mapping.dmp
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memory/564-71-0x00000000004F0000-0x00000000004F1000-memory.dmpFilesize
4KB
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memory/1608-60-0x0000000075801000-0x0000000075803000-memory.dmpFilesize
8KB
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memory/1608-61-0x0000000000270000-0x0000000000271000-memory.dmpFilesize
4KB
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memory/1608-62-0x0000000000271000-0x0000000000272000-memory.dmpFilesize
4KB
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memory/1668-63-0x0000000000000000-mapping.dmp