modiloader | 27eaceda6b72c835120f73cbee9f389bc13bae6ff30900f658f8aab4127c6502

General

Target

27eaceda6b72c835120f73cbee9f389bc13bae6ff30900f658f8aab4127c6502N.exe
Size

294KB
MD5

9c7812b15fefd275c915b693b150c700
SHA1

1abe5655c33c5d546db09613c9b670122bb91705
SHA256

27eaceda6b72c835120f73cbee9f389bc13bae6ff30900f658f8aab4127c6502
SHA512

480cfaf51c828db8d5ffd8bbacb510b5be3ddaeb2c3e81f7a4114dfe7cf902cf0babba398715cd8d5b79c8259ea886a0b160f188a946bb6f5474550c644fb8d1
SSDEEP

6144:AVdYTgSfBuJAvrndiEdsgVwu/vUkvfnXzSEhvHXMjg:W5JAvrnvvz3Ek

Score

10^/10

modiloader discovery persistence trojan

Malware Config

Signatures

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

ModiLoader Second Stage 5 IoCs

resource	yara_rule
behavioral1/files/0x000d000000016aa9-1.dat	modiloader_stage2
behavioral1/memory/1684-3-0x0000000000270000-0x00000000002B5000-memory.dmp	modiloader_stage2
behavioral1/memory/1248-11-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/1684-13-0x0000000000270000-0x00000000002B5000-memory.dmp	modiloader_stage2
behavioral1/memory/1684-19-0x0000000000270000-0x00000000002B5000-memory.dmp	modiloader_stage2

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\netcontrol\Parameters\ServiceDll = "C:\\Windows\\system32\\syst.dll"	27eaceda6b72c835120f73cbee9f389bc13bae6ff30900f658f8aab4127c6502N.exe

Deletes itself 1 IoCs

pid	Process
2804	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1684	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\syst.dll	27eaceda6b72c835120f73cbee9f389bc13bae6ff30900f658f8aab4127c6502N.exe
File created	C:\Windows\SysWOW64\Deleteme.bat	27eaceda6b72c835120f73cbee9f389bc13bae6ff30900f658f8aab4127c6502N.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27eaceda6b72c835120f73cbee9f389bc13bae6ff30900f658f8aab4127c6502N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 2804	1248	27eaceda6b72c835120f73cbee9f389bc13bae6ff30900f658f8aab4127c6502N.exe	31
PID 1248 wrote to memory of 2804	1248	27eaceda6b72c835120f73cbee9f389bc13bae6ff30900f658f8aab4127c6502N.exe	31
PID 1248 wrote to memory of 2804	1248	27eaceda6b72c835120f73cbee9f389bc13bae6ff30900f658f8aab4127c6502N.exe	31
PID 1248 wrote to memory of 2804	1248	27eaceda6b72c835120f73cbee9f389bc13bae6ff30900f658f8aab4127c6502N.exe	31

C:\Users\Admin\AppData\Local\Temp\27eaceda6b72c835120f73cbee9f389bc13bae6ff30900f658f8aab4127c6502N.exe
"C:\Users\Admin\AppData\Local\Temp\27eaceda6b72c835120f73cbee9f389bc13bae6ff30900f658f8aab4127c6502N.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\Deleteme.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2804

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netservice
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Deleteme.bat

Filesize
250B

MD5
3447f3b7582a1e6fedf5a97e486ce308

SHA1
fdd5415eb009cef0ae29433c769954ee2fd203bf

SHA256
0f80dfb04d2936af41f15653b7d15a0f4fbeb9e4cbab2ac5c30d8ed78085bbc3

SHA512
b88be9ddbe6383b4924325efd0acc49a38fc586b27d07068f041ead64a9f400419df8fbfdc0b2046145c1e03aaeda6f13e21d641cb1c93566e7c95ae9fa2a583

Download Submit
\??\c:\windows\SysWOW64\syst.dll

Filesize
246KB

MD5
3e805aa22e11cc19fcad840e9a0bcb36

SHA1
20bfb8e77cfb2f5aee8ce3a5615f67f1e4cbd8b4

SHA256
c19a99c7f2d80a4ea274657ed529d3d8a559b4949b90a6cfab690be73573b4cb

SHA512
b0e086f516bf5540cdb4ed848924e07da59bf7254fb238fd1d4729a63687794ff5e662cd5fd562a9a3e609c87aecad9e749b49033bdb03b634164e15098d1bfb

Download Submit
memory/1248-11-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1684-3-0x0000000000270000-0x00000000002B5000-memory.dmp

Filesize
276KB

Download
memory/1684-13-0x0000000000270000-0x00000000002B5000-memory.dmp

Filesize
276KB

Download
memory/1684-19-0x0000000000270000-0x00000000002B5000-memory.dmp

Filesize
276KB

Download

Analysis

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