modiloader | a9888c87989acbaaa0f45eb0130ef8c0cd0fa0599cbebd395bf42fa50d5834b1

General

Target

a9888c87989acbaaa0f45eb0130ef8c0cd0fa0599cbebd395bf42fa50d5834b1N.exe
Size

394KB
MD5

b3a52fab9fa87e39b44be19c7a3b9760
SHA1

7e9bf876114d07fde719f4954972cb2e8c234ebd
SHA256

a9888c87989acbaaa0f45eb0130ef8c0cd0fa0599cbebd395bf42fa50d5834b1
SHA512

c07be9a9f8d5f8f310bc27f174b3304b03e9b09232d967c7bcff7581d2063e13dc266f4b92b0ac79f43d9e9675d127086326883c5c330fe53e2b422470aee404
SSDEEP

6144:ElZ/zUMu4pDSxsCMRzf7x3SfS1JAzXBtL76lLIJM6h5nUZPdW:EHLUMuiv9RgfSjAzRtymMnFW

Score

10^/10

modiloader discovery evasion trojan upx

Malware Config

Signatures

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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	server.exe

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral2/memory/1732-28-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
1732	server.exe

Loads dropped DLL 4 IoCs

pid	Process
1732	server.exe
1732	server.exe
1732	server.exe
1732	server.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	server.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	server.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2444-11-0x0000000000400000-0x00000000004B8000-memory.dmp	autoit_exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2444-0-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/files/0x000a000000023b90-4.dat	upx
behavioral2/memory/1732-10-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2444-11-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/1732-28-0x0000000000400000-0x000000000044F000-memory.dmp	upx

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	a9888c87989acbaaa0f45eb0130ef8c0cd0fa0599cbebd395bf42fa50d5834b1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	server.exe
Token: SeDebugPrivilege	1732	server.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1732	server.exe
1732	server.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 1732	2444	a9888c87989acbaaa0f45eb0130ef8c0cd0fa0599cbebd395bf42fa50d5834b1N.exe	83
PID 2444 wrote to memory of 1732	2444	a9888c87989acbaaa0f45eb0130ef8c0cd0fa0599cbebd395bf42fa50d5834b1N.exe	83
PID 2444 wrote to memory of 1732	2444	a9888c87989acbaaa0f45eb0130ef8c0cd0fa0599cbebd395bf42fa50d5834b1N.exe	83

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	server.exe

C:\Users\Admin\AppData\Local\Temp\a9888c87989acbaaa0f45eb0130ef8c0cd0fa0599cbebd395bf42fa50d5834b1N.exe
"C:\Users\Admin\AppData\Local\Temp\a9888c87989acbaaa0f45eb0130ef8c0cd0fa0599cbebd395bf42fa50d5834b1N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Users\Admin\AppData\Local\Temp\server.exe
  C:\Users\Admin\AppData\Local\Temp/server.exe
  2⤵
  - UAC bypass
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:1732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\cmsetac.dll

Filesize
33KB

MD5
8e82413eedd0c73a60921ca0f8b4bedd

SHA1
46450f00890ba09955e3fc899f9e50cd5dd2dae6

SHA256
353130ad023dbf93f17dc4b7dd121b27ac2ed93c36b9be5e87fc275c10553ca7

SHA512
96b2b579202dd195b4cc2be6400f0238b29a2919efb8fc76ad08dcfcd0129cdf1dd5a952a15fd8e8fc1a9895d201e614d10d851a74a820d0d9578d8775f8ddde

Download Submit
C:\Users\Admin\AppData\Local\Temp\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

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

Filesize
110KB

MD5
0cd52d51b073955666e30b3ef5c5f74b

SHA1
b13efe93790fcd98a995ce5dfed8b932d0bd350e

SHA256
2eee98693052d438d617954b902422bcc907da4178bda392e634ade5926042b9

SHA512
0cbea321a97ed4977090f8d53bc8702209488579a99ae98bc89430325a3396f1075f43ffd9a876874f2a951d77b2dcbedfe01aa66dcba778aa52440fc043cd0b

Download Submit
memory/1732-10-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1732-13-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

Filesize
4KB

Download
memory/1732-24-0x0000000004360000-0x000000000436E000-memory.dmp

Filesize
56KB

Download
memory/1732-27-0x0000000004210000-0x0000000004211000-memory.dmp

Filesize
4KB

Download
memory/1732-28-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1732-30-0x00000000023A0000-0x00000000023A8000-memory.dmp

Filesize
32KB

Download
memory/1732-31-0x0000000004360000-0x000000000436E000-memory.dmp

Filesize
56KB

Download
memory/2444-0-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2444-11-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads