remcos | 6c293ea8f03820bb8aa0a32d819fe52f278a11edba5d8ca640da6dcec3aadb71

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
07/06/2024, 21:50

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General

Target

7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe
Size

8.4MB
MD5

7012be602b08edfbf8ba9bbb0a78b590
SHA1

3fb04fe68adc3a466d915a5ada209c4cb9baa09b
SHA256

6c293ea8f03820bb8aa0a32d819fe52f278a11edba5d8ca640da6dcec3aadb71
SHA512

3c47cceba6759001afcbbf569c05c0c429296cc8bb460e68950bf46b32ceb261fd3b4846445e94e8106a95e27dd7966f9a6356489eec6f38313a72b2c55c02ac
SSDEEP

98304:5XbEhsqluBejQWFdSJ1y334JjlC5EsR9NjzdCH7W4U6IHTzIU2WDFTy0+lI:lWd9aJjlC5EsR9NHdCH7LU6SwlI

Score

10^/10

remcos rembin collection persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemBin

maxlogs.webhop.me:1645

newnex.3utilities.com:5187

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remc.exe
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remc
mouse_option
false
mutex
Rmc-6UOSGH
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/1896-137-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/1964-136-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 3 IoCs

resource	yara_rule
behavioral1/memory/1984-139-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/1896-137-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/1964-136-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

Executes dropped EXE 1 IoCs

pid	Process
2596	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2996	cmd.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 2728	2596	svchost.exe	35
PID 2728 set thread context of 1964	2728	svchost.exe	38
PID 2728 set thread context of 1896	2728	svchost.exe	39
PID 2728 set thread context of 1984	2728	svchost.exe	40

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2580	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2640	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1108	7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe
1108	7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe
1964	svchost.exe
1964	svchost.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1108	7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe
Token: SeDebugPrivilege	2596	svchost.exe
Token: SeDebugPrivilege	1984	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2728	svchost.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 1940	1108	7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe	28
PID 1108 wrote to memory of 1940	1108	7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe	28
PID 1108 wrote to memory of 1940	1108	7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe	28
PID 1108 wrote to memory of 1940	1108	7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe	28
PID 1108 wrote to memory of 2996	1108	7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe	30
PID 1108 wrote to memory of 2996	1108	7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe	30
PID 1108 wrote to memory of 2996	1108	7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe	30
PID 1108 wrote to memory of 2996	1108	7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe	30
PID 1940 wrote to memory of 2580	1940	cmd.exe	32
PID 1940 wrote to memory of 2580	1940	cmd.exe	32
PID 1940 wrote to memory of 2580	1940	cmd.exe	32
PID 1940 wrote to memory of 2580	1940	cmd.exe	32
PID 2996 wrote to memory of 2640	2996	cmd.exe	33
PID 2996 wrote to memory of 2640	2996	cmd.exe	33
PID 2996 wrote to memory of 2640	2996	cmd.exe	33
PID 2996 wrote to memory of 2640	2996	cmd.exe	33
PID 2996 wrote to memory of 2596	2996	cmd.exe	34
PID 2996 wrote to memory of 2596	2996	cmd.exe	34
PID 2996 wrote to memory of 2596	2996	cmd.exe	34
PID 2996 wrote to memory of 2596	2996	cmd.exe	34
PID 2596 wrote to memory of 2728	2596	svchost.exe	35
PID 2596 wrote to memory of 2728	2596	svchost.exe	35
PID 2596 wrote to memory of 2728	2596	svchost.exe	35
PID 2596 wrote to memory of 2728	2596	svchost.exe	35
PID 2596 wrote to memory of 2728	2596	svchost.exe	35
PID 2596 wrote to memory of 2728	2596	svchost.exe	35
PID 2596 wrote to memory of 2728	2596	svchost.exe	35
PID 2596 wrote to memory of 2728	2596	svchost.exe	35
PID 2596 wrote to memory of 2728	2596	svchost.exe	35
PID 2596 wrote to memory of 2728	2596	svchost.exe	35
PID 2596 wrote to memory of 2728	2596	svchost.exe	35
PID 2596 wrote to memory of 2728	2596	svchost.exe	35
PID 2596 wrote to memory of 2728	2596	svchost.exe	35
PID 2728 wrote to memory of 1964	2728	svchost.exe	38
PID 2728 wrote to memory of 1964	2728	svchost.exe	38
PID 2728 wrote to memory of 1964	2728	svchost.exe	38
PID 2728 wrote to memory of 1964	2728	svchost.exe	38
PID 2728 wrote to memory of 1964	2728	svchost.exe	38
PID 2728 wrote to memory of 1896	2728	svchost.exe	39
PID 2728 wrote to memory of 1896	2728	svchost.exe	39
PID 2728 wrote to memory of 1896	2728	svchost.exe	39
PID 2728 wrote to memory of 1896	2728	svchost.exe	39
PID 2728 wrote to memory of 1896	2728	svchost.exe	39
PID 2728 wrote to memory of 1984	2728	svchost.exe	40
PID 2728 wrote to memory of 1984	2728	svchost.exe	40
PID 2728 wrote to memory of 1984	2728	svchost.exe	40
PID 2728 wrote to memory of 1984	2728	svchost.exe	40
PID 2728 wrote to memory of 1984	2728	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\7012be602b08edfbf8ba9bbb0a78b590_NeikiAnalytics.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1940
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
    3⤵
    - Creates scheduled task(s)
    PID:2580
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp10E2.tmp.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2640
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2596
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\System32\svchost.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: MapViewOfSection
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2728
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\vnwwblxlwrkycucyztaiklzixmp"
        5⤵
        Suspicious behavior: EnumeratesProcesses
        
        PID:1964
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\fhcptdifkzcdmaqkjembnqtrgthmem"
        5⤵
        Accesses Microsoft Outlook accounts
        
        PID:1896
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\ibhhuwbgyhuqpgmoaphdydohhhqvxphnz"
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\remc\logs.dat

Filesize
146B

MD5
164ef2fb896c9410243e645e01951725

SHA1
8032202e4c601498c26414acc0d6e8e44caf7b2e

SHA256
7b1afaba9cbd29ba5585f6ed8457ae0456269915355560234fbc2dab089e91b4

SHA512
545ce21918c2d294004adfd6bc66c509793ce1c205826a9e67d25d4b40cceea9acd2965ce1c7bd44ea683f16a6d66cfb20a4d13492a5eefdb8b67c711dfcb8ac

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
fe9c6bfabefad2b20d74ad8da874c88a

SHA1
b4e17799cf5a7d9b3fc86aa61142c5c1bbd3c31a

SHA256
fa6c8ba72f8b83342e9376500066ebc06c9dbae2ea1bc8d87593df58249ce7db

SHA512
d0d266394353ac0c573d7ea2ade5576aaeb9b8ccb10756df256dfd617c2551bcc4ff7d1ea603fe867642c3aa45b1558de92e54e172152d348c545bd6d15fbef3

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
67ddbafb49e878840abfe0b922ec379e

SHA1
ad8d0086b27e2577648cc578ed57d5a3e1314a6f

SHA256
4d3b108933ebf7f6abfa0256b0a0c99100dea6a7c38bf9bb404a15ab8912fda5

SHA512
cbe8902dacd92db3cec05ac790db57dab9a7b78df367eef93e74c949b7f6c4c34e7dfa1525fed56477d015485a0ed91c3645b316952764709ca56593c3f03245

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
242B

MD5
1f43466b99043254ec53c104f5289274

SHA1
447ed3155a7e35c6c5ea91236835c59687f3e76e

SHA256
69b7b868e2ae58cefa049642f3e012a5d36acde72bb876b8c8c466c2ed1890f5

SHA512
0f372938fa69943ac54a186ce31dbd959524d95c52ec6d6aed78089dee5cbb32ced2fb3a6e2567421f122c96e5f3946875f8eb57fca6df9ce79269a21ae7be9c

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8A0C.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp10E2.tmp.bat

Filesize
151B

MD5
802b17189f0da207a65eddbc3d03359b

SHA1
8c9fd3466774e9994b7dbe3c2880711145c72fd4

SHA256
4f920b5365e730a515dd0e64d892422457e839f551574c8352a4551fb36e31d6

SHA512
7b3534bc8b54f78270e60929bfadaa6d543805939ba1c910b522ccded78116e9837702ebd63e9d1657d1c6a78c195fe6daaa3549cab7b852a393411538497230

Download Submit
C:\Users\Admin\AppData\Local\Temp\vnwwblxlwrkycucyztaiklzixmp

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
\Users\Admin\AppData\Roaming\svchost.exe

Filesize
8.4MB

MD5
7012be602b08edfbf8ba9bbb0a78b590

SHA1
3fb04fe68adc3a466d915a5ada209c4cb9baa09b

SHA256
6c293ea8f03820bb8aa0a32d819fe52f278a11edba5d8ca640da6dcec3aadb71

SHA512
3c47cceba6759001afcbbf569c05c0c429296cc8bb460e68950bf46b32ceb261fd3b4846445e94e8106a95e27dd7966f9a6356489eec6f38313a72b2c55c02ac

Download Submit
memory/1108-4-0x0000000000690000-0x00000000006AA000-memory.dmp

Filesize
104KB

Download
memory/1108-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/1108-14-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/1108-3-0x00000000056D0000-0x00000000057C2000-memory.dmp

Filesize
968KB

Download
memory/1108-2-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/1108-1-0x0000000000B60000-0x00000000013C2000-memory.dmp

Filesize
8.4MB

Download
memory/1896-135-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1896-137-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1896-131-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1964-134-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1964-128-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1964-136-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1964-129-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1984-133-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1984-138-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1984-139-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2596-18-0x0000000000DB0000-0x0000000001612000-memory.dmp

Filesize
8.4MB

Download
memory/2596-19-0x0000000000600000-0x000000000061A000-memory.dmp

Filesize
104KB

Download
memory/2728-31-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-38-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-35-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-32-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-25-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-33-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-34-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-22-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-43-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-21-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-20-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-42-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-36-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-26-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-164-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-165-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-167-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2728-171-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2728-170-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2728-172-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-178-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-179-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-186-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-187-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-194-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/2728-195-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download