Analysis
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max time kernel
151s -
max time network
182s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
23-08-2021 16:48
Static task
static1
Behavioral task
behavioral1
Sample
PO Order No 338390208B,pdf.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
PO Order No 338390208B,pdf.exe
Resource
win10v20210410
General
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Target
PO Order No 338390208B,pdf.exe
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Size
689KB
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MD5
59b6819fd6875b148f559193228aeacf
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SHA1
9ae463940601c9adbcee46a275a57308cf77612c
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SHA256
86da76aaa93035696752329676cc619cb00d99fbf38857a56b087fa27f80c028
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SHA512
c6540b18b5569354458eb74b43c59a4f12fc2209e58fac24cd477943871be0733685d127d61716e2e48478af8e729ecd98e133b2709e414a3c70dc8acdd1ebaa
Malware Config
Extracted
remcos
Jboy
newlogs.ddns.net:6565
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audio_folder
MicRecords
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audio_path
%AppData%
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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install_path
%AppData%
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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keylog_path
%AppData%
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mouse_option
false
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mutex
Remcos-I84YGE
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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startup_value
Remcos
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take_screenshot_option
false
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take_screenshot_time
5
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take_screenshot_title
wikipedia;solitaire;
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
PO Order No 338390208B,pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Kstmetv = "C:\\Users\\Public\\Libraries\\vtemtsK.url" PO Order No 338390208B,pdf.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
PO Order No 338390208B,pdf.exedescription pid process target process PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe PID 748 wrote to memory of 1876 748 PO Order No 338390208B,pdf.exe ieinstal.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO Order No 338390208B,pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO Order No 338390208B,pdf.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\internet explorer\ieinstal.exe"C:\Program Files (x86)\internet explorer\ieinstal.exe"2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/748-60-0x0000000000220000-0x0000000000221000-memory.dmpFilesize
4KB
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memory/748-61-0x0000000075451000-0x0000000075453000-memory.dmpFilesize
8KB
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memory/1876-62-0x0000000000000000-mapping.dmp
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memory/1876-65-0x00000000000D0000-0x00000000000D1000-memory.dmpFilesize
4KB
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memory/1876-64-0x0000000000090000-0x0000000000091000-memory.dmpFilesize
4KB
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memory/1876-66-0x00000000001F0000-0x00000000001F1000-memory.dmpFilesize
4KB
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memory/1876-67-0x0000000010590000-0x000000001060C000-memory.dmpFilesize
496KB
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memory/1876-68-0x0000000000330000-0x00000000003A9000-memory.dmpFilesize
484KB