Analysis
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max time kernel
149s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11-03-2024 05:59
Behavioral task
behavioral1
Sample
c0060cafd7f9db928bb0e78ef2480cdf.exe
Resource
win7-20240221-en
General
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Target
c0060cafd7f9db928bb0e78ef2480cdf.exe
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Size
1.4MB
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MD5
c0060cafd7f9db928bb0e78ef2480cdf
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SHA1
6082629f9f6b160ffc3504baa429ee3649bcc036
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SHA256
166532feecaa14575279d728da2c9988049a8a7ea5d479e04c588a554a097809
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SHA512
a17c63d63570228393e0d6960a91857f2acc5633f61ccb0c66a6ab0e5c00a0c30ea841fa906b8954c97504ab54a5f57e4986b312e972a84725a14620b853f869
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SSDEEP
24576:y6yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6ES:1Y9UORVOM1jJHzaiape0hsABFRJch6L2
Malware Config
Extracted
remcos
2.5.0 Pro
GRACED
thankyoulord.ddns.net:5050
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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-0S5XD9
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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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ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
Processes:
resource yara_rule behavioral1/memory/3044-9-0x00000000009B0000-0x00000000009DC000-memory.dmp rezer0 -
Executes dropped EXE 1 IoCs
Processes:
test.exepid process 3044 test.exe -
Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 2724 cmd.exe -
Processes:
resource yara_rule behavioral1/memory/1876-1-0x0000000000400000-0x00000000006F1000-memory.dmp upx behavioral1/memory/1876-32-0x0000000000400000-0x00000000006F1000-memory.dmp upx behavioral1/memory/1876-35-0x0000000000400000-0x00000000006F1000-memory.dmp upx -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
test.exedescription pid process target process PID 3044 set thread context of 2544 3044 test.exe vbc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 1 IoCs
Processes:
test.exepid process 3044 test.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
test.exedescription pid process Token: SeDebugPrivilege 3044 test.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
c0060cafd7f9db928bb0e78ef2480cdf.execmd.exetest.exedescription pid process target process PID 1876 wrote to memory of 2724 1876 c0060cafd7f9db928bb0e78ef2480cdf.exe cmd.exe PID 1876 wrote to memory of 2724 1876 c0060cafd7f9db928bb0e78ef2480cdf.exe cmd.exe PID 1876 wrote to memory of 2724 1876 c0060cafd7f9db928bb0e78ef2480cdf.exe cmd.exe PID 1876 wrote to memory of 2724 1876 c0060cafd7f9db928bb0e78ef2480cdf.exe cmd.exe PID 2724 wrote to memory of 3044 2724 cmd.exe test.exe PID 2724 wrote to memory of 3044 2724 cmd.exe test.exe PID 2724 wrote to memory of 3044 2724 cmd.exe test.exe PID 2724 wrote to memory of 3044 2724 cmd.exe test.exe PID 3044 wrote to memory of 2360 3044 test.exe schtasks.exe PID 3044 wrote to memory of 2360 3044 test.exe schtasks.exe PID 3044 wrote to memory of 2360 3044 test.exe schtasks.exe PID 3044 wrote to memory of 2360 3044 test.exe schtasks.exe PID 3044 wrote to memory of 2544 3044 test.exe vbc.exe PID 3044 wrote to memory of 2544 3044 test.exe vbc.exe PID 3044 wrote to memory of 2544 3044 test.exe vbc.exe PID 3044 wrote to memory of 2544 3044 test.exe vbc.exe PID 3044 wrote to memory of 2544 3044 test.exe vbc.exe PID 3044 wrote to memory of 2544 3044 test.exe vbc.exe PID 3044 wrote to memory of 2544 3044 test.exe vbc.exe PID 3044 wrote to memory of 2544 3044 test.exe vbc.exe PID 3044 wrote to memory of 2544 3044 test.exe vbc.exe PID 3044 wrote to memory of 2544 3044 test.exe vbc.exe PID 3044 wrote to memory of 2544 3044 test.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c0060cafd7f9db928bb0e78ef2480cdf.exe"C:\Users\Admin\AppData\Local\Temp\c0060cafd7f9db928bb0e78ef2480cdf.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c test.exe2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\test.exetest.exe3⤵
- Executes dropped EXE
- 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\vXAlJeWc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D8D.tmp"4⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"{path}"4⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\test.exeFilesize
330KB
MD5261aa73f93c90dcec0c36a51cb9b5dee
SHA1b0c41e06cd2ded81706820423db40bf8fea2c957
SHA256ae160b749914bd56aecbcf43d56a59bde2069a145682b2911fe50c6adabe1b54
SHA5127b90335b4a7db7b5056f6d60db642754038dc544bd2c1f82e68b1f8e339bf70227f0c08d157b4ca1004448fab7d109f0239196f242d0edeab978de9025a3c0ed
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C:\Users\Admin\AppData\Local\Temp\tmp3D8D.tmpFilesize
1KB
MD5dbea4ed1cb9825e7aff5002c8d5cb9cd
SHA1a821510ebee738dcd1d7c1b0f5ef9b3b1a8b971a
SHA25620e27da3c8ec961c93ecc897d5c7383d790eda7a15c65f2b00c9a257e036c02c
SHA512731fc308d4bdbcf803cb9a81d0c65f8a0908dee6ca6f299ea82e84e37d23dd4e3afe7d0b340ed7d4603dd541c38c615a714e7de76b33ee68b95ba39f6e218ba5
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memory/1876-35-0x0000000000400000-0x00000000006F1000-memory.dmpFilesize
2.9MB
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memory/1876-32-0x0000000000400000-0x00000000006F1000-memory.dmpFilesize
2.9MB
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memory/1876-1-0x0000000000400000-0x00000000006F1000-memory.dmpFilesize
2.9MB
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memory/2544-30-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-45-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-59-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-28-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-27-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmpFilesize
4KB
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memory/2544-25-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-23-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-21-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-19-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-17-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-15-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-57-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-55-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-53-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-34-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-51-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-36-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-37-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-38-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-39-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-41-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-43-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-49-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2544-47-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/3044-9-0x00000000009B0000-0x00000000009DC000-memory.dmpFilesize
176KB
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memory/3044-5-0x0000000001050000-0x00000000010A8000-memory.dmpFilesize
352KB
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memory/3044-6-0x0000000074480000-0x0000000074B6E000-memory.dmpFilesize
6.9MB
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memory/3044-31-0x0000000074480000-0x0000000074B6E000-memory.dmpFilesize
6.9MB
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memory/3044-7-0x0000000004E10000-0x0000000004E50000-memory.dmpFilesize
256KB
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memory/3044-8-0x00000000004D0000-0x00000000004D8000-memory.dmpFilesize
32KB