modiloader | 93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0

Analysis

max time kernel
29s
max time network
35s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 18:07

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General

Target

93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe
Size

719KB
MD5

3a4a25581c6d711dc62468793e4b3df1
SHA1

b6db9ddce4995bdb791f25fb79e3de8c038075e3
SHA256

93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0
SHA512

df08a468f11e8406efa8b43b12f660623ee64d31139f74968794374114f1936156a2a2d117335c9cfa6cc461d380a0d18d24be2a344e36be52b9c7d330b695d9
SSDEEP

12288:6XgPVmsO7H+JeYkZQors8sEyMGXxeylX4EEPSwDfAmgBJbf8AwnBrRm8dZ/X:AoZ3J78GjX4bEmCb+rRvZ/X

Score

10^/10

modiloader bootkit 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 3 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\cog.exe	modiloader_stage2
C:\Users\Admin\cog.exe	modiloader_stage2
C:\Users\Admin\cog.exe	modiloader_stage2

Executes dropped EXE 5 IoCs

Processes:

B85EgtCQKi4p6Z9Kt2.execod.execof.execog.execog.exe

pid process

1528 B85EgtCQKi4p6Z9Kt2.exe
3404 cod.exe
3400 cof.exe
528 cog.exe
908 cog.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

4836 rundll32.exe

pid	process
4836	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rxotucef = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Widmgres.dll\",Startup"	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

cod.exe

description ioc process

File opened for modification \??\physicaldrive0 cod.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

cog.exe

description pid process target process

PID 528 set thread context of 908 528 cog.exe cog.exe

description	ioc	process
File opened for modification	\??\physicaldrive0	cod.exe

description	pid	process	target process
PID 528 set thread context of 908	528	cog.exe	cog.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

B85EgtCQKi4p6Z9Kt2.execog.exe

pid	process
1528	B85EgtCQKi4p6Z9Kt2.exe
1528	B85EgtCQKi4p6Z9Kt2.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe
908	cog.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

cod.exe

description pid process

Token: SeShutdownPrivilege 3404 cod.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

B85EgtCQKi4p6Z9Kt2.exe

pid process

1528 B85EgtCQKi4p6Z9Kt2.exe

description	pid	process
Token: SeShutdownPrivilege	3404	cod.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.execog.execof.exe

description	pid	process	target process
PID 2824 wrote to memory of 1528	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	B85EgtCQKi4p6Z9Kt2.exe
PID 2824 wrote to memory of 1528	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	B85EgtCQKi4p6Z9Kt2.exe
PID 2824 wrote to memory of 1528	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	B85EgtCQKi4p6Z9Kt2.exe
PID 2824 wrote to memory of 3404	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	cod.exe
PID 2824 wrote to memory of 3404	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	cod.exe
PID 2824 wrote to memory of 3404	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	cod.exe
PID 2824 wrote to memory of 3400	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	cof.exe
PID 2824 wrote to memory of 3400	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	cof.exe
PID 2824 wrote to memory of 3400	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	cof.exe
PID 2824 wrote to memory of 528	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	cog.exe
PID 2824 wrote to memory of 528	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	cog.exe
PID 2824 wrote to memory of 528	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	cog.exe
PID 2824 wrote to memory of 5088	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	cmd.exe
PID 2824 wrote to memory of 5088	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	cmd.exe
PID 2824 wrote to memory of 5088	2824	93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe	cmd.exe
PID 528 wrote to memory of 908	528	cog.exe	cog.exe
PID 528 wrote to memory of 908	528	cog.exe	cog.exe
PID 528 wrote to memory of 908	528	cog.exe	cog.exe
PID 3400 wrote to memory of 4836	3400	cof.exe	rundll32.exe
PID 3400 wrote to memory of 4836	3400	cof.exe	rundll32.exe
PID 3400 wrote to memory of 4836	3400	cof.exe	rundll32.exe
PID 528 wrote to memory of 908	528	cog.exe	cog.exe
PID 528 wrote to memory of 908	528	cog.exe	cog.exe
PID 528 wrote to memory of 908	528	cog.exe	cog.exe
PID 528 wrote to memory of 908	528	cog.exe	cog.exe
PID 528 wrote to memory of 908	528	cog.exe	cog.exe
PID 528 wrote to memory of 908	528	cog.exe	cog.exe
PID 528 wrote to memory of 908	528	cog.exe	cog.exe

C:\Users\Admin\AppData\Local\Temp\93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe
"C:\Users\Admin\AppData\Local\Temp\93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Users\Admin\B85EgtCQKi4p6Z9Kt2.exe
  B85EgtCQKi4p6Z9Kt2.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1528
- - C:\Windows\SysWOW64\verclsid.exe
    "C:\Windows\system32\verclsid.exe" /S /C {DFFACDC5-679F-4156-8947-C5C76BC0B67F} /I {ADD8BA80-002B-11D0-8F0F-00C04FD7D062} /X 0x401
    3⤵
    PID:216
- C:\Users\Admin\cod.exe
  cod.exe
  2⤵
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of AdjustPrivilegeToken
  PID:3404
- C:\Users\Admin\cof.exe
  cof.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3400
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Widmgres.dll",Startup
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    PID:4836
- C:\Users\Admin\cog.exe
  cog.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:528
- - C:\Users\Admin\cog.exe
    cog.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:908
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del 93eeee385bf985953953c324ec72ac937b695eff9e01e685c6ec3363651770d0.exe
  2⤵
  PID:5088

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Widmgres.dll

Filesize
103KB

MD5
be60099ceffb0aece0bc0c52998e9d65

SHA1
6ff11181390b5eccfb9a832ea5311d58bcc7a3a3

SHA256
e41f195954abff7c7bdc150773ad9f0b4029a883386ac179c1aa9d44f9ab6e4a

SHA512
c4beef5b86370a959b624041cc2db1de2da07a15df17077d728ea74036398fd1e62b6e7e147c53ea944606d751d0934f423b70193ad570a8cba097a823facdc0

Download Submit
C:\Users\Admin\AppData\Local\Widmgres.dll

Filesize
103KB

MD5
be60099ceffb0aece0bc0c52998e9d65

SHA1
6ff11181390b5eccfb9a832ea5311d58bcc7a3a3

SHA256
e41f195954abff7c7bdc150773ad9f0b4029a883386ac179c1aa9d44f9ab6e4a

SHA512
c4beef5b86370a959b624041cc2db1de2da07a15df17077d728ea74036398fd1e62b6e7e147c53ea944606d751d0934f423b70193ad570a8cba097a823facdc0

Download Submit
C:\Users\Admin\B85EgtCQKi4p6Z9Kt2.exe

Filesize
152KB

MD5
72e9d71fe7ad21610b846614566d6e2f

SHA1
35071ef247823ff6fa675449c6506caa2f5b145f

SHA256
4dc0b35a38321c71c24289acf43c102e6aa875307f830900d39f25491c83cda9

SHA512
14431710838e2eea0fdb3a7b73743b6d101ec6a4ceebdf0716e2855e845bd2b1722e5178d310a24ce7e5754076a9dc0e62f351c1518c391c6db8533af35203f3

Download Submit
C:\Users\Admin\B85EgtCQKi4p6Z9Kt2.exe

Filesize
152KB

MD5
72e9d71fe7ad21610b846614566d6e2f

SHA1
35071ef247823ff6fa675449c6506caa2f5b145f

SHA256
4dc0b35a38321c71c24289acf43c102e6aa875307f830900d39f25491c83cda9

SHA512
14431710838e2eea0fdb3a7b73743b6d101ec6a4ceebdf0716e2855e845bd2b1722e5178d310a24ce7e5754076a9dc0e62f351c1518c391c6db8533af35203f3

Download Submit
C:\Users\Admin\cod.exe

Filesize
176KB

MD5
dbadc5fadb7497f5761537c06026ff47

SHA1
c8bd7319e170bd5966a73bae6f34cee4782b4f97

SHA256
b8fdc5c5f8aa378ef3ba8ee5172550a8f7ca295bebe858dab8ec171f1328036e

SHA512
7bced6bbdeb0f770d78f199d16d8ed86e90794141df101d1bb4878c55313af058a5551e0df2da65f6cd3507185cca13c7459aabf97c22faa83518b53321c2b7e

Download Submit
C:\Users\Admin\cod.exe

Filesize
176KB

MD5
dbadc5fadb7497f5761537c06026ff47

SHA1
c8bd7319e170bd5966a73bae6f34cee4782b4f97

SHA256
b8fdc5c5f8aa378ef3ba8ee5172550a8f7ca295bebe858dab8ec171f1328036e

SHA512
7bced6bbdeb0f770d78f199d16d8ed86e90794141df101d1bb4878c55313af058a5551e0df2da65f6cd3507185cca13c7459aabf97c22faa83518b53321c2b7e

Download Submit
C:\Users\Admin\cof.exe

Filesize
103KB

MD5
d15f3d9213e5972e1e2c069448d6f228

SHA1
224f67d7bcb15f1921211d68df19a072dc84ccfe

SHA256
9c0e3fcd2615c0a3678e77583970c5d9401ea223db3e517d048453db6427214d

SHA512
3e53dde211235f50f7507839f4f0e8ef6c0456f4f92b40e3a9d57eb64c1ee17774698858213e1cdefb8e87803648ff97001b2a00ad2c2c6b0c896774b1e785e3

Download Submit
C:\Users\Admin\cof.exe

Filesize
103KB

MD5
d15f3d9213e5972e1e2c069448d6f228

SHA1
224f67d7bcb15f1921211d68df19a072dc84ccfe

SHA256
9c0e3fcd2615c0a3678e77583970c5d9401ea223db3e517d048453db6427214d

SHA512
3e53dde211235f50f7507839f4f0e8ef6c0456f4f92b40e3a9d57eb64c1ee17774698858213e1cdefb8e87803648ff97001b2a00ad2c2c6b0c896774b1e785e3

Download Submit
C:\Users\Admin\cog.exe

Filesize
145KB

MD5
262a039229f90ba2461f2e810ad74447

SHA1
9dfe5040a3d6ea8262313953c02a1e6ae39c6916

SHA256
e20729c3095a40a637efb304bdf57902cd4948f22406138e0dbdf28f034cedb3

SHA512
d7612cdbc38aea73462aa7851ab3078dfb89a1b4c96414f5d8144c456f694971f08a79bbb1a738ffeb273f99122432b1009cbf4bd483884dd50ca115a64ef641

Download Submit
C:\Users\Admin\cog.exe

Filesize
145KB

MD5
262a039229f90ba2461f2e810ad74447

SHA1
9dfe5040a3d6ea8262313953c02a1e6ae39c6916

SHA256
e20729c3095a40a637efb304bdf57902cd4948f22406138e0dbdf28f034cedb3

SHA512
d7612cdbc38aea73462aa7851ab3078dfb89a1b4c96414f5d8144c456f694971f08a79bbb1a738ffeb273f99122432b1009cbf4bd483884dd50ca115a64ef641

Download Submit
C:\Users\Admin\cog.exe

Filesize
145KB

MD5
262a039229f90ba2461f2e810ad74447

SHA1
9dfe5040a3d6ea8262313953c02a1e6ae39c6916

SHA256
e20729c3095a40a637efb304bdf57902cd4948f22406138e0dbdf28f034cedb3

SHA512
d7612cdbc38aea73462aa7851ab3078dfb89a1b4c96414f5d8144c456f694971f08a79bbb1a738ffeb273f99122432b1009cbf4bd483884dd50ca115a64ef641

Download Submit
memory/528-142-0x0000000000000000-mapping.dmp

Download
memory/908-156-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/908-165-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/908-155-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/908-162-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/908-161-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/908-159-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/908-153-0x0000000000000000-mapping.dmp

Download
memory/1528-132-0x0000000000000000-mapping.dmp

Download
memory/3400-139-0x0000000000000000-mapping.dmp

Download
memory/3400-148-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/3400-150-0x0000000000551000-0x000000000055F000-memory.dmp

Filesize
56KB

Download
memory/3404-149-0x00000000005F0000-0x0000000000648000-memory.dmp

Filesize
352KB

Download
memory/3404-138-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3404-152-0x00000000005F0000-0x0000000000648000-memory.dmp

Filesize
352KB

Download
memory/3404-151-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3404-135-0x0000000000000000-mapping.dmp

Download
memory/3404-166-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4836-160-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

Download
memory/4836-154-0x0000000000000000-mapping.dmp

Download
memory/4836-167-0x0000000000D81000-0x0000000000D8F000-memory.dmp

Filesize
56KB

Download
memory/5088-145-0x0000000000000000-mapping.dmp

Download