Analysis
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max time kernel
143s -
max time network
147s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
11-05-2021 14:05
Static task
static1
Behavioral task
behavioral1
Sample
DUE INVOICES.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
DUE INVOICES.exe
Resource
win10v20210408
General
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Target
DUE INVOICES.exe
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Size
958KB
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MD5
c3dd015c631875adfecc6c229b474cf4
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SHA1
26835d1df6761a455b6645fd27dba5dc7ed506b3
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SHA256
7299f2323910def53bb344e98441a66dba82b84b0d8ec89dbddf0ee6a936280a
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SHA512
dab1e8d81bcbf7a79aa454711a02c8f6cc39ce7aa07031a7891f57aba9f4bdb5a8d215436ff912a615954ace3d43a5d81e8fd01c08694585c4bbbf80967ecb4c
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.sat0rius.com - Port:
587 - Username:
sahar.fuchs@sat0rius.com - Password:
Almaseera_delta_0000
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
Processes:
resource yara_rule behavioral2/memory/2136-127-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/2136-128-0x000000000043759E-mapping.dmp family_agenttesla behavioral2/memory/2136-134-0x0000000005040000-0x000000000553E000-memory.dmp family_agenttesla -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
DUE INVOICES.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe" DUE INVOICES.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DUE INVOICES.exedescription pid process target process PID 424 set thread context of 2136 424 DUE INVOICES.exe DUE INVOICES.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 5 IoCs
Processes:
DUE INVOICES.exeDUE INVOICES.exepid process 424 DUE INVOICES.exe 424 DUE INVOICES.exe 424 DUE INVOICES.exe 2136 DUE INVOICES.exe 2136 DUE INVOICES.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
DUE INVOICES.exeDUE INVOICES.exedescription pid process Token: SeDebugPrivilege 424 DUE INVOICES.exe Token: SeDebugPrivilege 2136 DUE INVOICES.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
DUE INVOICES.exedescription pid process target process PID 424 wrote to memory of 1548 424 DUE INVOICES.exe schtasks.exe PID 424 wrote to memory of 1548 424 DUE INVOICES.exe schtasks.exe PID 424 wrote to memory of 1548 424 DUE INVOICES.exe schtasks.exe PID 424 wrote to memory of 3548 424 DUE INVOICES.exe DUE INVOICES.exe PID 424 wrote to memory of 3548 424 DUE INVOICES.exe DUE INVOICES.exe PID 424 wrote to memory of 3548 424 DUE INVOICES.exe DUE INVOICES.exe PID 424 wrote to memory of 2136 424 DUE INVOICES.exe DUE INVOICES.exe PID 424 wrote to memory of 2136 424 DUE INVOICES.exe DUE INVOICES.exe PID 424 wrote to memory of 2136 424 DUE INVOICES.exe DUE INVOICES.exe PID 424 wrote to memory of 2136 424 DUE INVOICES.exe DUE INVOICES.exe PID 424 wrote to memory of 2136 424 DUE INVOICES.exe DUE INVOICES.exe PID 424 wrote to memory of 2136 424 DUE INVOICES.exe DUE INVOICES.exe PID 424 wrote to memory of 2136 424 DUE INVOICES.exe DUE INVOICES.exe PID 424 wrote to memory of 2136 424 DUE INVOICES.exe DUE INVOICES.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DUE INVOICES.exe"C:\Users\Admin\AppData\Local\Temp\DUE INVOICES.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\OOzsNXDsbStEu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFAFB.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\DUE INVOICES.exe"C:\Users\Admin\AppData\Local\Temp\DUE INVOICES.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\DUE INVOICES.exe"C:\Users\Admin\AppData\Local\Temp\DUE INVOICES.exe"2⤵
- Adds Run key to start application
- 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\Microsoft\CLR_v4.0_32\UsageLogs\DUE INVOICES.exe.logMD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
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C:\Users\Admin\AppData\Local\Temp\tmpFAFB.tmpMD5
a98c28ad94f299ef6e16c157c45ccf4a
SHA157b000a434d87dcd4c929fb2895de6f447e5b6e8
SHA25677113fac01004d7e94daf2480bf3d352341200140aed1dc8b0c556d095788c14
SHA512e9b7acbe423c19e79e562baeef126a76308704804bb90633736fe9c792a558d6434633669f98e086a88d6cd3bbcda88a7aef932a24255b3eefd10692b6a5a656
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memory/424-123-0x00000000058B0000-0x0000000005988000-memory.dmpFilesize
864KB
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memory/424-124-0x0000000007E50000-0x0000000007EEF000-memory.dmpFilesize
636KB
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memory/424-119-0x0000000004AB0000-0x0000000004FAE000-memory.dmpFilesize
5.0MB
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memory/424-120-0x00000000049F0000-0x00000000049F1000-memory.dmpFilesize
4KB
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memory/424-121-0x0000000004BE0000-0x0000000004BE1000-memory.dmpFilesize
4KB
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memory/424-122-0x0000000004CF0000-0x0000000004CF4000-memory.dmpFilesize
16KB
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memory/424-114-0x0000000000030000-0x0000000000031000-memory.dmpFilesize
4KB
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memory/424-118-0x0000000004AB0000-0x0000000004AB1000-memory.dmpFilesize
4KB
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memory/424-116-0x0000000004A10000-0x0000000004A11000-memory.dmpFilesize
4KB
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memory/424-117-0x0000000004FB0000-0x0000000004FB1000-memory.dmpFilesize
4KB
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memory/1548-125-0x0000000000000000-mapping.dmp
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memory/2136-127-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2136-128-0x000000000043759E-mapping.dmp
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memory/2136-134-0x0000000005040000-0x000000000553E000-memory.dmpFilesize
5.0MB
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memory/2136-135-0x00000000051B0000-0x00000000051B1000-memory.dmpFilesize
4KB
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memory/2136-136-0x0000000005D30000-0x0000000005D31000-memory.dmpFilesize
4KB