modiloader | 6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b

Analysis

max time kernel
148s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-10-2022 15:19

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General

Target

6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe
Size

108KB
MD5

82cb127950bd78e3d111f3e1a56cd7cd
SHA1

6eeafd847d681f7ecd2d2a8b6e97d0a909c96ab1
SHA256

6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b
SHA512

c1810cd8c6061ecadfefb7c455e7645f80ed848d63ff5be89a2bd311887517f3c71dc3bcd2df88d2981fce5dd7da557f38b70044850f12be08134811c0d41b18
SSDEEP

1536:sWbEbt5nLgdnfeKDIy4jwBjZZN33ejz3VcP9EQv+K5NM9je5n:sWbEsn7Iy4ojt36zOOqHR

Score

10^/10

modiloader persistence trojan upx

Malware Config

Signatures

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

ModiLoader Second Stage 2 IoCs

resource	yara_rule
behavioral1/memory/1752-304-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2024-785-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
272	winvmsrv.exe
2024	winvmsrv.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1752-304-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2024-785-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1752	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe
1752	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\winvmsrv = "C:\\Users\\Admin\\AppData\\Roaming\\winvmsrv.exe"	winvmsrv.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 860 set thread context of 1752	860	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe	27
PID 272 set thread context of 2024	272	winvmsrv.exe	29

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
860	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe
272	winvmsrv.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 1752	860	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe	27
PID 860 wrote to memory of 1752	860	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe	27
PID 860 wrote to memory of 1752	860	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe	27
PID 860 wrote to memory of 1752	860	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe	27
PID 860 wrote to memory of 1752	860	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe	27
PID 860 wrote to memory of 1752	860	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe	27
PID 860 wrote to memory of 1752	860	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe	27
PID 860 wrote to memory of 1752	860	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe	27
PID 1752 wrote to memory of 272	1752	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe	28
PID 1752 wrote to memory of 272	1752	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe	28
PID 1752 wrote to memory of 272	1752	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe	28
PID 1752 wrote to memory of 272	1752	6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe	28
PID 272 wrote to memory of 2024	272	winvmsrv.exe	29
PID 272 wrote to memory of 2024	272	winvmsrv.exe	29
PID 272 wrote to memory of 2024	272	winvmsrv.exe	29
PID 272 wrote to memory of 2024	272	winvmsrv.exe	29
PID 272 wrote to memory of 2024	272	winvmsrv.exe	29
PID 272 wrote to memory of 2024	272	winvmsrv.exe	29
PID 272 wrote to memory of 2024	272	winvmsrv.exe	29
PID 272 wrote to memory of 2024	272	winvmsrv.exe	29

C:\Users\Admin\AppData\Local\Temp\6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe
"C:\Users\Admin\AppData\Local\Temp\6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:860
- C:\Users\Admin\AppData\Local\Temp\6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe
  "C:\Users\Admin\AppData\Local\Temp\6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1752
- - C:\Users\Admin\AppData\Roaming\winvmsrv.exe
    "C:\Users\Admin\AppData\Roaming\winvmsrv.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:272
  - - C:\Users\Admin\AppData\Roaming\winvmsrv.exe
      "C:\Users\Admin\AppData\Roaming\winvmsrv.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      PID:2024

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\winvmsrv.exe

Filesize
108KB

MD5
82cb127950bd78e3d111f3e1a56cd7cd

SHA1
6eeafd847d681f7ecd2d2a8b6e97d0a909c96ab1

SHA256
6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b

SHA512
c1810cd8c6061ecadfefb7c455e7645f80ed848d63ff5be89a2bd311887517f3c71dc3bcd2df88d2981fce5dd7da557f38b70044850f12be08134811c0d41b18

Download Submit
C:\Users\Admin\AppData\Roaming\winvmsrv.exe

Filesize
108KB

MD5
82cb127950bd78e3d111f3e1a56cd7cd

SHA1
6eeafd847d681f7ecd2d2a8b6e97d0a909c96ab1

SHA256
6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b

SHA512
c1810cd8c6061ecadfefb7c455e7645f80ed848d63ff5be89a2bd311887517f3c71dc3bcd2df88d2981fce5dd7da557f38b70044850f12be08134811c0d41b18

Download Submit
C:\Users\Admin\AppData\Roaming\winvmsrv.exe

Filesize
108KB

MD5
82cb127950bd78e3d111f3e1a56cd7cd

SHA1
6eeafd847d681f7ecd2d2a8b6e97d0a909c96ab1

SHA256
6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b

SHA512
c1810cd8c6061ecadfefb7c455e7645f80ed848d63ff5be89a2bd311887517f3c71dc3bcd2df88d2981fce5dd7da557f38b70044850f12be08134811c0d41b18

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

Filesize
108KB

MD5
82cb127950bd78e3d111f3e1a56cd7cd

SHA1
6eeafd847d681f7ecd2d2a8b6e97d0a909c96ab1

SHA256
6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b

SHA512
c1810cd8c6061ecadfefb7c455e7645f80ed848d63ff5be89a2bd311887517f3c71dc3bcd2df88d2981fce5dd7da557f38b70044850f12be08134811c0d41b18

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

Filesize
108KB

MD5
82cb127950bd78e3d111f3e1a56cd7cd

SHA1
6eeafd847d681f7ecd2d2a8b6e97d0a909c96ab1

SHA256
6dc472ca99051165d6cf2f2b0807380c60ef556f49835941e41f9f9fb183c05b

SHA512
c1810cd8c6061ecadfefb7c455e7645f80ed848d63ff5be89a2bd311887517f3c71dc3bcd2df88d2981fce5dd7da557f38b70044850f12be08134811c0d41b18

Download Submit
memory/272-302-0x0000000000000000-mapping.dmp

Download
memory/860-92-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-74-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-91-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-75-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-94-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-73-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-72-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-71-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-70-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-69-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-67-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-77-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-76-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-66-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-65-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-78-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-79-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-81-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-80-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-83-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-82-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-87-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-86-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-85-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-84-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-88-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-89-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-90-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-57-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-93-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-59-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-56-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-58-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-97-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-96-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-99-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-102-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-101-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-112-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-111-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-110-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-109-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-108-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-107-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-106-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-115-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-116-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-114-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-113-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-105-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-104-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-103-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-100-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-117-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-98-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-119-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-118-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/860-95-0x00000000004EC000-0x00000000004EF000-memory.dmp

Filesize
12KB

Download
memory/1752-304-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1752-295-0x0000000000412D20-mapping.dmp

Download
memory/2024-779-0x0000000000412D20-mapping.dmp

Download
memory/2024-785-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download