Overview
overview
10Static
static
8BL. NO. AN...21.exe
windows7_x64
10BL. NO. AN...21.exe
windows10_x64
10Sample_101...mg.exe
windows7_x64
10Sample_101...mg.exe
windows10_x64
10Invoice 19...df.exe
windows7_x64
1Invoice 19...df.exe
windows10_x64
10Leak/PROFO...CE.doc
windows7_x64
10Leak/PROFO...CE.doc
windows10_x64
1Payment re...df.exe
windows7_x64
10Payment re...df.exe
windows10_x64
10Leak/Profo...mg.xls
windows7_x64
10Leak/Profo...mg.xls
windows10_x64
10Analysis
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max time kernel
357s -
max time network
362s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
26-10-2021 07:00
Static task
static1
Behavioral task
behavioral1
Sample
BL. NO. ANSMUNDAR3621.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
BL. NO. ANSMUNDAR3621.exe
Resource
win10-en-20210920
Behavioral task
behavioral3
Sample
Sample_10120351200_ISO_035117img.exe
Resource
win7-en-20210920
Behavioral task
behavioral4
Sample
Sample_10120351200_ISO_035117img.exe
Resource
win10-en-20211014
Behavioral task
behavioral5
Sample
Invoice 1905-20-1907-20.pdf.exe
Resource
win7-en-20210920
Behavioral task
behavioral6
Sample
Invoice 1905-20-1907-20.pdf.exe
Resource
win10-en-20211014
Behavioral task
behavioral7
Sample
Leak/PROFORMA INVOICE.doc
Resource
win7-en-20210920
Behavioral task
behavioral8
Sample
Leak/PROFORMA INVOICE.doc
Resource
win10-en-20211014
Behavioral task
behavioral9
Sample
Payment receipt.pdf.exe
Resource
win7-en-20210920
Behavioral task
behavioral10
Sample
Payment receipt.pdf.exe
Resource
win10-en-20210920
Behavioral task
behavioral11
Sample
Leak/Proforma invoice35117img.xls
Resource
win7-en-20211014
Behavioral task
behavioral12
Sample
Leak/Proforma invoice35117img.xls
Resource
win10-en-20210920
General
-
Target
Invoice 1905-20-1907-20.pdf.exe
-
Size
742KB
-
MD5
d40d05b8b73fb36ca9ae679997decbf7
-
SHA1
1099139b29753b0308fd3729a1b0a894fb98b94e
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SHA256
9509214ef8fd1704c88aebdd75cf26345735cf6901af44de6038dce4e4d46f34
-
SHA512
6c6388214929c2d094584c8ddfe5b116ff6c250e2c32f161d5328a258191e115fca6a10275e7e366a7ab976116e2b2406dbc699c4a5287aac39ee127657d900b
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.topfrozenfoodbrand.com - Port:
587 - Username:
[email protected] - Password:
Chukwudim28@
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral6/memory/3716-119-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral6/memory/3716-120-0x0000000000436D9E-mapping.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Invoice 1905-20-1907-20.pdf.exedescription pid process target process PID 3148 set thread context of 3716 3148 Invoice 1905-20-1907-20.pdf.exe Invoice 1905-20-1907-20.pdf.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
dw20.exepid process 4084 dw20.exe 4084 dw20.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
dw20.exedescription pid process Token: SeRestorePrivilege 4084 dw20.exe Token: SeBackupPrivilege 4084 dw20.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Invoice 1905-20-1907-20.pdf.exeInvoice 1905-20-1907-20.pdf.exedescription pid process target process PID 3148 wrote to memory of 3716 3148 Invoice 1905-20-1907-20.pdf.exe Invoice 1905-20-1907-20.pdf.exe PID 3148 wrote to memory of 3716 3148 Invoice 1905-20-1907-20.pdf.exe Invoice 1905-20-1907-20.pdf.exe PID 3148 wrote to memory of 3716 3148 Invoice 1905-20-1907-20.pdf.exe Invoice 1905-20-1907-20.pdf.exe PID 3148 wrote to memory of 3716 3148 Invoice 1905-20-1907-20.pdf.exe Invoice 1905-20-1907-20.pdf.exe PID 3148 wrote to memory of 3716 3148 Invoice 1905-20-1907-20.pdf.exe Invoice 1905-20-1907-20.pdf.exe PID 3148 wrote to memory of 3716 3148 Invoice 1905-20-1907-20.pdf.exe Invoice 1905-20-1907-20.pdf.exe PID 3148 wrote to memory of 3716 3148 Invoice 1905-20-1907-20.pdf.exe Invoice 1905-20-1907-20.pdf.exe PID 3148 wrote to memory of 3716 3148 Invoice 1905-20-1907-20.pdf.exe Invoice 1905-20-1907-20.pdf.exe PID 3716 wrote to memory of 4084 3716 Invoice 1905-20-1907-20.pdf.exe dw20.exe PID 3716 wrote to memory of 4084 3716 Invoice 1905-20-1907-20.pdf.exe dw20.exe PID 3716 wrote to memory of 4084 3716 Invoice 1905-20-1907-20.pdf.exe dw20.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice 1905-20-1907-20.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Invoice 1905-20-1907-20.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Invoice 1905-20-1907-20.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Invoice 1905-20-1907-20.pdf.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 6963⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Invoice 1905-20-1907-20.pdf.exe.logMD5
ef140ef600b2463c9e7dbf064a104046
SHA1c08fd1853877be95575ea2e860dd8cafef31f54c
SHA256ad8ae97fdeb174b20f02c7ddf9466981856d77d51133599b5954f48f78a1b616
SHA512bf16df0994080bdc832cb39a312e0095de57608256fcf0d04d589e0bdf3283f918fb0d6ec86ea28a4b1af6db12813c52a724028f02330ebc3a9d32a4fcda706c
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memory/3148-118-0x0000000000C10000-0x0000000000C11000-memory.dmpFilesize
4KB
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memory/3716-119-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3716-120-0x0000000000436D9E-mapping.dmp
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memory/3716-123-0x0000000002C20000-0x0000000002C21000-memory.dmpFilesize
4KB
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memory/4084-122-0x0000000000000000-mapping.dmp