modiloader | b8a7e1135818fa4dbb26b1f50f96c01b8f7793467543769c18c0dd48fbedaf25

General

Target

b8a7e1135818fa4dbb26b1f50f96c01b8f7793467543769c18c0dd48fbedaf25N.exe
Size

1.3MB
MD5

e6c8fa729ebd280d8694f77f6d08de50
SHA1

7516a7e670c93093e9094f92a4ed884e92064f1f
SHA256

b8a7e1135818fa4dbb26b1f50f96c01b8f7793467543769c18c0dd48fbedaf25
SHA512

cf2e396eecb8176277cf971416d543de89090640ffdb6e2a1a65b542a0562d1590b978636aa5a3ce3819a56d160bd9caea002678791cc1ff2da34d7e0ea9eaf8
SSDEEP

24576:FXSC2KWXvuiq+kgJLjezttWAkynzZdaWF084N4232jO4c:0C2DXWiq+kVzzpK/N3g

Score

10^/10

modiloader discovery 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 2 IoCs

resource	yara_rule
behavioral2/files/0x00080000000234fb-22.dat	modiloader_stage2
behavioral2/memory/3644-40-0x0000000000400000-0x00000000004E5000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	b8a7e1135818fa4dbb26b1f50f96c01b8f7793467543769c18c0dd48fbedaf25N.exe

Executes dropped EXE 2 IoCs

pid	Process
2332	abc1.exe
3644	abc2.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	abc1.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	abc1.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	abc1.exe
File created	C:\Windows\assembly\Desktop.ini	abc1.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	abc1.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	abc1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	abc2.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2332	abc1.exe
Token: 33	2332	abc1.exe
Token: SeIncBasePriorityPrivilege	2332	abc1.exe
Token: 33	2332	abc1.exe
Token: SeIncBasePriorityPrivilege	2332	abc1.exe
Token: 33	2332	abc1.exe
Token: SeIncBasePriorityPrivilege	2332	abc1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3644	abc2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 2332	3104	b8a7e1135818fa4dbb26b1f50f96c01b8f7793467543769c18c0dd48fbedaf25N.exe	84
PID 3104 wrote to memory of 2332	3104	b8a7e1135818fa4dbb26b1f50f96c01b8f7793467543769c18c0dd48fbedaf25N.exe	84
PID 3104 wrote to memory of 2332	3104	b8a7e1135818fa4dbb26b1f50f96c01b8f7793467543769c18c0dd48fbedaf25N.exe	84
PID 3104 wrote to memory of 3644	3104	b8a7e1135818fa4dbb26b1f50f96c01b8f7793467543769c18c0dd48fbedaf25N.exe	85
PID 3104 wrote to memory of 3644	3104	b8a7e1135818fa4dbb26b1f50f96c01b8f7793467543769c18c0dd48fbedaf25N.exe	85
PID 3104 wrote to memory of 3644	3104	b8a7e1135818fa4dbb26b1f50f96c01b8f7793467543769c18c0dd48fbedaf25N.exe	85

C:\Users\Admin\AppData\Local\Temp\b8a7e1135818fa4dbb26b1f50f96c01b8f7793467543769c18c0dd48fbedaf25N.exe
"C:\Users\Admin\AppData\Local\Temp\b8a7e1135818fa4dbb26b1f50f96c01b8f7793467543769c18c0dd48fbedaf25N.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3104
- C:\Users\Admin\AppData\Local\Temp\abc1.exe
  "C:\Users\Admin\AppData\Local\Temp\abc1.exe"
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2332
- C:\Users\Admin\AppData\Local\Temp\abc2.exe
  "C:\Users\Admin\AppData\Local\Temp\abc2.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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:\Users\Admin\AppData\Local\Temp\abc1.exe

Filesize
417KB

MD5
025a67449d4e74b491afe26fe67116ca

SHA1
e01ff25fb8f751735444ffda0d7c3bac1170e894

SHA256
9a8a59ad4283f7f2ce1a4b26063b3bededfa91e77bad16401a6311f2d6d06784

SHA512
f2b1c736583e9cf8d74230dbe8ad0e45c2b6ee2acabe40bbc6ff424af8ba7ba68663143ef9d84f2a92876f2116bfe978d044485dca7a49099feba5dd62912f31

Download Submit
C:\Users\Admin\AppData\Local\Temp\abc2.exe

Filesize
874KB

MD5
6e7f0df50a2700d19a7559fcc15bcf64

SHA1
6fdf163357f825c6a1dec3c77b7580f6bd9882d4

SHA256
49486cde4267da7144003559146f678db2691070deb7faf8f13be59b5e1c323f

SHA512
31d190957dac017c0936d8cde59fbb2882fc01f6aab7c56981e7e49e6a542048191a5aec7d0b54435ac1093896f26cc61d079f1ac98a099def599a0dc815dc63

Download Submit
memory/2332-39-0x0000000075260000-0x0000000075811000-memory.dmp

Filesize
5.7MB

Download
memory/2332-33-0x0000000075260000-0x0000000075811000-memory.dmp

Filesize
5.7MB

Download
memory/2332-32-0x0000000075260000-0x0000000075811000-memory.dmp

Filesize
5.7MB

Download
memory/2332-31-0x0000000075262000-0x0000000075263000-memory.dmp

Filesize
4KB

Download
memory/3104-4-0x000000001C010000-0x000000001C0AC000-memory.dmp

Filesize
624KB

Download
memory/3104-5-0x0000000000DC0000-0x0000000000DC8000-memory.dmp

Filesize
32KB

Download
memory/3104-6-0x000000001C170000-0x000000001C1BC000-memory.dmp

Filesize
304KB

Download
memory/3104-7-0x00007FF9A0830000-0x00007FF9A11D1000-memory.dmp

Filesize
9.6MB

Download
memory/3104-0-0x00007FF9A0AE5000-0x00007FF9A0AE6000-memory.dmp

Filesize
4KB

Download
memory/3104-3-0x000000001BA00000-0x000000001BECE000-memory.dmp

Filesize
4.8MB

Download
memory/3104-35-0x00007FF9A0830000-0x00007FF9A11D1000-memory.dmp

Filesize
9.6MB

Download
memory/3104-2-0x00007FF9A0830000-0x00007FF9A11D1000-memory.dmp

Filesize
9.6MB

Download
memory/3104-1-0x000000001B480000-0x000000001B526000-memory.dmp

Filesize
664KB

Download
memory/3644-34-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/3644-41-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/3644-40-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download

Analysis

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