modiloader | 4d227c0a92030e8410260bf84dd992d346d2d4002e7af69e792d3ef84e60f317

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
28/11/2023, 08:41

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General

Target
payslip2833.exe
Size 2.8MB
Sample231128-klfasagg21
SHA256 4d227c0a92030e8410260bf84dd992d346d2d4002e7af69e792d3ef84e60f317
MD5 2ba1fa878bdfbbbdea5a8dfdf0c8e3fa
SHA1 87a0d4d3f87d7d6d0b370ec78465222de10db029
SHA512 1b0e2a33661876ca2bf14ea3211564b62a17a6275a870de15e8143df9a8520ca9da702224ff5e398ae22e9770dc41ecefc8960f9fd182cca1adfbfe55f2a216c
SSDEEP 49152:Xm/PpH8yc0/wU2lpe63ZrxKrVEbRIqiPt41eFehg1mQzZ:XOpcyV/wjpdZrxEVEtI14UqnY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader remcos babbalog persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

babbalog

mxzaa.duckdns.org:2404

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
babaa
mouse_option
false
mutex
Rmc-17YJIC
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral2/memory/868-2-0x0000000004400000-0x0000000005400000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
1256	easinvoker.exe

Loads dropped DLL 1 IoCs

pid	Process
1256	easinvoker.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-1-5-21-3455265224-196869244-2056873367-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wztxsapx = "C:\\Users\\Public\\Wztxsapx.url"	payslip2833.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5072	PING.EXE

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	24	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	26	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3800	powershell.exe
3800	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3800	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2428	SndVol.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 1720	868	payslip2833.exe	89
PID 868 wrote to memory of 1720	868	payslip2833.exe	89
PID 868 wrote to memory of 1720	868	payslip2833.exe	89
PID 1720 wrote to memory of 472	1720	cmd.exe	91
PID 1720 wrote to memory of 472	1720	cmd.exe	91
PID 1720 wrote to memory of 472	1720	cmd.exe	91
PID 1720 wrote to memory of 2400	1720	cmd.exe	92
PID 1720 wrote to memory of 2400	1720	cmd.exe	92
PID 1720 wrote to memory of 2400	1720	cmd.exe	92
PID 1720 wrote to memory of 1360	1720	cmd.exe	93
PID 1720 wrote to memory of 1360	1720	cmd.exe	93
PID 1720 wrote to memory of 1360	1720	cmd.exe	93
PID 1720 wrote to memory of 2000	1720	cmd.exe	94
PID 1720 wrote to memory of 2000	1720	cmd.exe	94
PID 1720 wrote to memory of 2000	1720	cmd.exe	94
PID 1720 wrote to memory of 5012	1720	cmd.exe	95
PID 1720 wrote to memory of 5012	1720	cmd.exe	95
PID 1720 wrote to memory of 5012	1720	cmd.exe	95
PID 1720 wrote to memory of 4912	1720	cmd.exe	96
PID 1720 wrote to memory of 4912	1720	cmd.exe	96
PID 1720 wrote to memory of 4912	1720	cmd.exe	96
PID 1720 wrote to memory of 3528	1720	cmd.exe	97
PID 1720 wrote to memory of 3528	1720	cmd.exe	97
PID 1720 wrote to memory of 3528	1720	cmd.exe	97
PID 1720 wrote to memory of 3380	1720	cmd.exe	98
PID 1720 wrote to memory of 3380	1720	cmd.exe	98
PID 1720 wrote to memory of 3380	1720	cmd.exe	98
PID 1720 wrote to memory of 1256	1720	cmd.exe	99
PID 1720 wrote to memory of 1256	1720	cmd.exe	99
PID 1256 wrote to memory of 3832	1256	easinvoker.exe	100
PID 1256 wrote to memory of 3832	1256	easinvoker.exe	100
PID 1720 wrote to memory of 5072	1720	cmd.exe	102
PID 1720 wrote to memory of 5072	1720	cmd.exe	102
PID 1720 wrote to memory of 5072	1720	cmd.exe	102
PID 3832 wrote to memory of 3436	3832	cmd.exe	103
PID 3832 wrote to memory of 3436	3832	cmd.exe	103
PID 3436 wrote to memory of 3800	3436	cmd.exe	104
PID 3436 wrote to memory of 3800	3436	cmd.exe	104
PID 868 wrote to memory of 2428	868	payslip2833.exe	106
PID 868 wrote to memory of 2428	868	payslip2833.exe	106
PID 868 wrote to memory of 2428	868	payslip2833.exe	106
PID 868 wrote to memory of 2428	868	payslip2833.exe	106

C:\Users\Admin\AppData\Local\Temp\payslip2833.exe
"C:\Users\Admin\AppData\Local\Temp\payslip2833.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:868
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\WztxsapxO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c mkdir "\\?\C:\Windows "
    3⤵
    PID:472
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c mkdir "\\?\C:\Windows \System32"
    3⤵
    PID:2400
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:1360
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:2000
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:5012
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:4912
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:3528
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    - Enumerates system info in registry
    PID:3380
- - C:\Windows \System32\easinvoker.exe
    "C:\Windows \System32\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1256
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3832
    - - C:\Windows\system32\cmd.exe
        
        cmd.exe /c start /min powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3436
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        6⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3800
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:5072
- C:\Windows\SysWOW64\SndVol.exe
  C:\Windows\System32\SndVol.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

logs.dat

Path C:\ProgramData\babaa\logs.dat
Size 144B
SHA256 a94bf8237e63769bd52756d15a8064f43b691d3c9950622a213863e05a549e06
MD5 e47739a978c06f3ba911dc71b7dfc209
SHA1 46df7f593ce2a817360e8354459af096fea1e900
SHA512 1785eaa96ac43f8bd748f433410d128d77f22b3f3dc2d1977f9a9e96ddb948d6b81b29323cb8033d4a089eda559f00ce92f67c358e8f759ccf775bb1da4c5b00
MD5 SHA1 SHA512

Submit Download

__PSScriptPolicyTest_04jjealh.qzh.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_04jjealh.qzh.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

KDECO.bat

Path C:\Users\Public\Libraries\KDECO.bat
Size 152B
SHA256 4e55b1bbe2e0e099592ac57a747fa8d4ef67409901d6c64323a1b73d50e5de67
MD5 7e5fbd29557a68383dfb34e696964e93
SHA1 c1f748f89b47864301255d1fb2bfed04ed0d1300
SHA512 7dcb6582b03e7bf0cab2168dc775ca6d7a15ebb097fd2cdd3445b6d35ee128386fb9aa6a548b745c32540e358b2aa4d7c78a6f59f85c32065735fc54a6a2bb6a
MD5 SHA1 SHA512

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WztxsapxO.bat

Path C:\Users\Public\Libraries\WztxsapxO.bat
Size 466B
SHA256 964aab3b72b3545fabc58a209714ebeade739a0fec40b33af675d7157b9cb252
MD5 9e80036aabe3227dbf98b3975051a53b
SHA1 9670aab8897770a93293d85426b7b13dda23a152
SHA512 107fb6b364cf92730aca1a044f7769a1f4aed39a72f031a5004ccf09b3bebabac5fc88b3d0f85eb64c665404136db13678718bad36bea4311f07726684ed0a03
MD5 SHA1 SHA512

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easinvoker.exe

Path C:\Users\Public\Libraries\easinvoker.exe
Size 128KB
SHA256 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
MD5 231ce1e1d7d98b44371ffff407d68b59
SHA1 25510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA512 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
SSDEEP 3072:zar2xXibKcf5K67+k02XbFbosspwUUgcR:Nibl7+k02XZb9UA
MD5 SHA1 SHA512 SSDEEP

Submit Download

netutils.dll

Path C:\Users\Public\Libraries\netutils.dll
Size 109KB
SHA256 be00f70763a053bf9c4b35e97319afbffa71dbb6e9c2c3c3f642a5e1fa7eb004
MD5 f3734dd95652252d02090c287c556522
SHA1 a9b9479f66516922a119eec78d3610342f22a68b
SHA512 59df477a29d38b8d5b5c4567c241d4ffe1d58926fa6775e1ecb15ec8119cf040be97f83870704b422f044ae56f2a5169c50b92a3e1b75a8069e2a251f9dec41b
SSDEEP 1536:lwywvapYoBID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRY9Mnb:lLoapG/N8ago865w8DdD0wRY9Mnb
MD5 SHA1 SHA512 SSDEEP

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easinvoker.exe

Path C:\Windows \System32\easinvoker.exe
Size 128KB
SHA256 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
MD5 231ce1e1d7d98b44371ffff407d68b59
SHA1 25510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA512 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
SSDEEP 3072:zar2xXibKcf5K67+k02XbFbosspwUUgcR:Nibl7+k02XZb9UA
MD5 SHA1 SHA512 SSDEEP

Submit Download

easinvoker.exe

Path C:\Windows \System32\easinvoker.exe
Size 128KB
SHA256 30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96
MD5 231ce1e1d7d98b44371ffff407d68b59
SHA1 25510d0f6353dbf0c9f72fc880de7585e34b28ff
SHA512 520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612
SSDEEP 3072:zar2xXibKcf5K67+k02XbFbosspwUUgcR:Nibl7+k02XZb9UA
MD5 SHA1 SHA512 SSDEEP

Submit Download

netutils.dll

Path C:\Windows \System32\netutils.dll
Size 109KB
SHA256 be00f70763a053bf9c4b35e97319afbffa71dbb6e9c2c3c3f642a5e1fa7eb004
MD5 f3734dd95652252d02090c287c556522
SHA1 a9b9479f66516922a119eec78d3610342f22a68b
SHA512 59df477a29d38b8d5b5c4567c241d4ffe1d58926fa6775e1ecb15ec8119cf040be97f83870704b422f044ae56f2a5169c50b92a3e1b75a8069e2a251f9dec41b
SSDEEP 1536:lwywvapYoBID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRY9Mnb:lLoapG/N8ago865w8DdD0wRY9Mnb
MD5 SHA1 SHA512 SSDEEP

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netutils.dll

Path C:\Windows \System32\netutils.dll
Size 109KB
SHA256 be00f70763a053bf9c4b35e97319afbffa71dbb6e9c2c3c3f642a5e1fa7eb004
MD5 f3734dd95652252d02090c287c556522
SHA1 a9b9479f66516922a119eec78d3610342f22a68b
SHA512 59df477a29d38b8d5b5c4567c241d4ffe1d58926fa6775e1ecb15ec8119cf040be97f83870704b422f044ae56f2a5169c50b92a3e1b75a8069e2a251f9dec41b
SSDEEP 1536:lwywvapYoBID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRY9Mnb:lLoapG/N8ago865w8DdD0wRY9Mnb
MD5 SHA1 SHA512 SSDEEP

Submit Download

KDECO.bat

Path C:\windows \system32\KDECO.bat
Size 152B
SHA256 4e55b1bbe2e0e099592ac57a747fa8d4ef67409901d6c64323a1b73d50e5de67
MD5 7e5fbd29557a68383dfb34e696964e93
SHA1 c1f748f89b47864301255d1fb2bfed04ed0d1300
SHA512 7dcb6582b03e7bf0cab2168dc775ca6d7a15ebb097fd2cdd3445b6d35ee128386fb9aa6a548b745c32540e358b2aa4d7c78a6f59f85c32065735fc54a6a2bb6a
MD5 SHA1 SHA512

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memory/868-4-0x0000000000400000-0x00000000006DA000-memory.dmp

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memory/868-0-0x0000000002580000-0x0000000002581000-memory.dmp

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memory/868-2-0x0000000004400000-0x0000000005400000-memory.dmp

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memory/868-1-0x0000000004400000-0x0000000005400000-memory.dmp

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memory/1256-26-0x00000000613C0000-0x00000000613E2000-memory.dmp

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memory/2428-60-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/2428-53-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/2428-85-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/2428-84-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/2428-46-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/2428-49-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/2428-50-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/2428-51-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/2428-52-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/2428-77-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/2428-54-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/2428-76-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/2428-61-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/2428-69-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/2428-68-0x0000000001200000-0x0000000002200000-memory.dmp

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memory/3800-35-0x000001E519A40000-0x000001E519A62000-memory.dmp

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memory/3800-40-0x00007FFC6B410000-0x00007FFC6BED1000-memory.dmp

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memory/3800-41-0x000001E532140000-0x000001E532150000-memory.dmp

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memory/3800-44-0x00007FFC6B410000-0x00007FFC6BED1000-memory.dmp

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memory/3800-42-0x000001E532140000-0x000001E532150000-memory.dmp

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