modiloader | 1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86

Analysis

max time kernel
143s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2023, 14:37

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General

Target
1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86.exe
Size 1.4MB
Sample230825-ry5vjacf83
SHA256 1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86
MD5 1aceec87c3fc65540d3f3a93bf7caedc
SHA1 e4006221758063d49eaa9c0372a8e89dcc6ae038
SHA512 b5ab03e612a9486ea207ed53d2e07f201c14bad1c4f4beb3c2bc7c353b3ae6a526ab1ea6564f754f5f80d785506f6dff2ea187e02ebea3c4c0839de853b8a598
SSDEEP 24576:/UWyWyLFqghcA0n9WUS20tFJTtf7BtdZhPKRpUW0YEq0UxX8OCTL5GJ:/UWX7WUktFJT5BtdZtWWqxxX8O0L5W
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader persistence trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral2/memory/3976-2-0x0000000003290000-0x0000000004290000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
4040	easinvoker.exe

Loads dropped DLL 1 IoCs

pid	Process
4040	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-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Velvmbse = "C:\\Users\\Public\\Velvmbse.url"	1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
856	PING.EXE

Script User-Agent 2 IoCs

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

description	flow	ioc
HTTP User-Agent header	17	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	23	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
1184	powershell.exe
1184	powershell.exe
3976	1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86.exe
3976	1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe
1692	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1184	powershell.exe
Token: SeDebugPrivilege	1692	colorcpl.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 892	3976	1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86.exe	90
PID 3976 wrote to memory of 892	3976	1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86.exe	90
PID 3976 wrote to memory of 892	3976	1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86.exe	90
PID 892 wrote to memory of 4364	892	cmd.exe	92
PID 892 wrote to memory of 4364	892	cmd.exe	92
PID 892 wrote to memory of 4364	892	cmd.exe	92
PID 892 wrote to memory of 3788	892	cmd.exe	93
PID 892 wrote to memory of 3788	892	cmd.exe	93
PID 892 wrote to memory of 3788	892	cmd.exe	93
PID 892 wrote to memory of 4564	892	cmd.exe	94
PID 892 wrote to memory of 4564	892	cmd.exe	94
PID 892 wrote to memory of 4564	892	cmd.exe	94
PID 892 wrote to memory of 748	892	cmd.exe	95
PID 892 wrote to memory of 748	892	cmd.exe	95
PID 892 wrote to memory of 748	892	cmd.exe	95
PID 892 wrote to memory of 4844	892	cmd.exe	96
PID 892 wrote to memory of 4844	892	cmd.exe	96
PID 892 wrote to memory of 4844	892	cmd.exe	96
PID 892 wrote to memory of 3880	892	cmd.exe	97
PID 892 wrote to memory of 3880	892	cmd.exe	97
PID 892 wrote to memory of 3880	892	cmd.exe	97
PID 892 wrote to memory of 4504	892	cmd.exe	98
PID 892 wrote to memory of 4504	892	cmd.exe	98
PID 892 wrote to memory of 4504	892	cmd.exe	98
PID 892 wrote to memory of 1772	892	cmd.exe	99
PID 892 wrote to memory of 1772	892	cmd.exe	99
PID 892 wrote to memory of 1772	892	cmd.exe	99
PID 892 wrote to memory of 4040	892	cmd.exe	100
PID 892 wrote to memory of 4040	892	cmd.exe	100
PID 4040 wrote to memory of 4476	4040	easinvoker.exe	101
PID 4040 wrote to memory of 4476	4040	easinvoker.exe	101
PID 892 wrote to memory of 856	892	cmd.exe	103
PID 892 wrote to memory of 856	892	cmd.exe	103
PID 892 wrote to memory of 856	892	cmd.exe	103
PID 4476 wrote to memory of 4704	4476	cmd.exe	104
PID 4476 wrote to memory of 4704	4476	cmd.exe	104
PID 4704 wrote to memory of 1184	4704	cmd.exe	105
PID 4704 wrote to memory of 1184	4704	cmd.exe	105
PID 3976 wrote to memory of 1692	3976	1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86.exe	107
PID 3976 wrote to memory of 1692	3976	1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86.exe	107
PID 3976 wrote to memory of 1692	3976	1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86.exe	107
PID 3976 wrote to memory of 1692	3976	1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86.exe	107

C:\Users\Admin\AppData\Local\Temp\1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86.exe
"C:\Users\Admin\AppData\Local\Temp\1ba55bb7d2d33d7892669c2e96c351fe59ce60144429508d6251d5dcbfc5ff86.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3976
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\VelvmbseO.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:892
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c mkdir "\\?\C:\Windows "
    3⤵
    PID:4364
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c mkdir "\\?\C:\Windows \System32"
    3⤵
    PID:3788
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:4564
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    PID:748
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:4844
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    PID:3880
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ECHO F
    3⤵
    PID:4504
- - C:\Windows\SysWOW64\xcopy.exe
    xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
    3⤵
    PID:1772
- - C:\Windows \System32\easinvoker.exe
    "C:\Windows \System32\easinvoker.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:4040
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4476
    - - 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:4704
      - 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:1184
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 6
    3⤵
    - Runs ping.exe
    PID:856
- C:\Windows\SysWOW64\colorcpl.exe
  C:\Windows\System32\colorcpl.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1692

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

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_xz5sg4t5.pnt.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xz5sg4t5.pnt.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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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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VelvmbseO.bat

Path C:\Users\Public\Libraries\VelvmbseO.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

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netutils.dll

Path C:\Users\Public\Libraries\netutils.dll
Size 109KB
SHA256 1a2c82236bb4de8757227f97c00db92b2fa33178314a3d92572cfc624c63ba25
MD5 6cb352c7c40cb19e08ad3f486380e301
SHA1 1e4392451e1f84de5ec057e12ea7948a4ed156fe
SHA512 20b766a08b713d705f071cf5ba3488053a185def92da922b4e48e5ca224826240ae9eaf205fbd517c559633cf252181215c7dc84394dfca34b322cfe75ca2e5e
SSDEEP 1536:OljNHW+SID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:OJxW+1/N8ago865w8DdD0wRYQ+b
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

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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

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netutils.dll

Path C:\Windows \System32\netutils.dll
Size 109KB
SHA256 1a2c82236bb4de8757227f97c00db92b2fa33178314a3d92572cfc624c63ba25
MD5 6cb352c7c40cb19e08ad3f486380e301
SHA1 1e4392451e1f84de5ec057e12ea7948a4ed156fe
SHA512 20b766a08b713d705f071cf5ba3488053a185def92da922b4e48e5ca224826240ae9eaf205fbd517c559633cf252181215c7dc84394dfca34b322cfe75ca2e5e
SSDEEP 1536:OljNHW+SID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:OJxW+1/N8ago865w8DdD0wRYQ+b
MD5 SHA1 SHA512 SSDEEP

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netutils.dll

Path C:\Windows \System32\netutils.dll
Size 109KB
SHA256 1a2c82236bb4de8757227f97c00db92b2fa33178314a3d92572cfc624c63ba25
MD5 6cb352c7c40cb19e08ad3f486380e301
SHA1 1e4392451e1f84de5ec057e12ea7948a4ed156fe
SHA512 20b766a08b713d705f071cf5ba3488053a185def92da922b4e48e5ca224826240ae9eaf205fbd517c559633cf252181215c7dc84394dfca34b322cfe75ca2e5e
SSDEEP 1536:OljNHW+SID3TTy6Xt8amsy1o865jd5w8DdD05Cl7MbiRHRYQ+b:OJxW+1/N8ago865w8DdD0wRYQ+b
MD5 SHA1 SHA512 SSDEEP

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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/1184-46-0x00007FF99ACC0000-0x00007FF99B781000-memory.dmp

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memory/1184-41-0x00007FF99ACC0000-0x00007FF99B781000-memory.dmp

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memory/1184-43-0x00000201D8A40000-0x00000201D8A50000-memory.dmp

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memory/1184-42-0x00000201D8A40000-0x00000201D8A50000-memory.dmp

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memory/1184-40-0x00000201C0740000-0x00000201C0762000-memory.dmp

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memory/1692-48-0x0000000004EA0000-0x0000000005EA0000-memory.dmp

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memory/1692-50-0x0000000017070000-0x00000000173BA000-memory.dmp

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memory/3976-2-0x0000000003290000-0x0000000004290000-memory.dmp

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memory/3976-1-0x0000000003290000-0x0000000004290000-memory.dmp

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memory/3976-4-0x0000000000400000-0x0000000000579000-memory.dmp

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memory/3976-0-0x0000000002880000-0x0000000002881000-memory.dmp

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memory/3976-5-0x0000000002880000-0x0000000002881000-memory.dmp

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memory/4040-27-0x00000000613C0000-0x00000000613E2000-memory.dmp

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