modiloader | d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440

Analysis

max time kernel
120s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/09/2024, 15:46

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General

Target

d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe
Size

326KB
MD5

f8048686b6a00def26c347183e702f10
SHA1

e23f25c67d0f112c9b2613a77b40586bd43c41d9
SHA256

d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440
SHA512

3066a7169945e3820ac350f934d4fb6c0d10fe8e45476a546bbfc9eede556538ec026767eeb3bbf3372a868e41c7ad98768f31de456340735c01ab1437dab1fb
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8

Score

10^/10

modiloader discovery 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 4 IoCs

resource	yara_rule
behavioral2/memory/1944-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1944-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1944-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1944-60-0x0000000000400000-0x0000000000414000-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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe

Executes dropped EXE 3 IoCs

pid	Process
376	csrsll.exe
2320	csrsll.exe
1944	csrsll.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3664-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3664-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4540-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4540-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4540-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3664-13-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x000800000002358b-28.dat	upx
behavioral2/memory/376-35-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4540-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/376-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/376-41-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1944-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1944-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1944-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1944-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1944-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/376-56-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4540-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2320-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1944-60-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3664 set thread context of 4540	3664	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	95
PID 376 set thread context of 2320	376	csrsll.exe	103
PID 376 set thread context of 1944	376	csrsll.exe	104

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 7 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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe
Token: SeDebugPrivilege	2320	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3664	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe
4540	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe
376	csrsll.exe
2320	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3664 wrote to memory of 4540	3664	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	95
PID 3664 wrote to memory of 4540	3664	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	95
PID 3664 wrote to memory of 4540	3664	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	95
PID 3664 wrote to memory of 4540	3664	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	95
PID 3664 wrote to memory of 4540	3664	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	95
PID 3664 wrote to memory of 4540	3664	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	95
PID 3664 wrote to memory of 4540	3664	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	95
PID 3664 wrote to memory of 4540	3664	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	95
PID 4540 wrote to memory of 2360	4540	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	96
PID 4540 wrote to memory of 2360	4540	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	96
PID 4540 wrote to memory of 2360	4540	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	96
PID 2360 wrote to memory of 1556	2360	cmd.exe	99
PID 2360 wrote to memory of 1556	2360	cmd.exe	99
PID 2360 wrote to memory of 1556	2360	cmd.exe	99
PID 4540 wrote to memory of 376	4540	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	100
PID 4540 wrote to memory of 376	4540	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	100
PID 4540 wrote to memory of 376	4540	d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe	100
PID 376 wrote to memory of 2320	376	csrsll.exe	103
PID 376 wrote to memory of 2320	376	csrsll.exe	103
PID 376 wrote to memory of 2320	376	csrsll.exe	103
PID 376 wrote to memory of 2320	376	csrsll.exe	103
PID 376 wrote to memory of 2320	376	csrsll.exe	103
PID 376 wrote to memory of 2320	376	csrsll.exe	103
PID 376 wrote to memory of 2320	376	csrsll.exe	103
PID 376 wrote to memory of 2320	376	csrsll.exe	103
PID 376 wrote to memory of 1944	376	csrsll.exe	104
PID 376 wrote to memory of 1944	376	csrsll.exe	104
PID 376 wrote to memory of 1944	376	csrsll.exe	104
PID 376 wrote to memory of 1944	376	csrsll.exe	104
PID 376 wrote to memory of 1944	376	csrsll.exe	104
PID 376 wrote to memory of 1944	376	csrsll.exe	104
PID 376 wrote to memory of 1944	376	csrsll.exe	104
PID 376 wrote to memory of 1944	376	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe
"C:\Users\Admin\AppData\Local\Temp\d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3664
- C:\Users\Admin\AppData\Local\Temp\d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe
  "C:\Users\Admin\AppData\Local\Temp\d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4540
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VHPGY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2360
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:1556
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:376
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2320
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1944

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4668,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=3692 /prefetch:8
1⤵
PID:1776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\VHPGY.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

Filesize
326KB

MD5
7fe988a579f60b040d69281bf8d63a36

SHA1
8781faa754066c08b23152aa693c2a4de2eb086b

SHA256
6f9f58b699cf183aec7af6e089d0c7435264efdb62453b261d85efd73560f3ff

SHA512
2d9c4b7357d65f6dca78e5b2f84b76b2bb8c74713792c90631f49f12f9de296dc7561158fb7cebfdb3b988a88d77f2314278091305b0297618cccb232845d9b0

Download Submit
memory/376-41-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/376-56-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/376-35-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/376-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1944-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1944-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1944-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1944-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1944-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1944-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2320-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3664-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3664-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3664-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3664-6-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/3664-4-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/3664-3-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/4540-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4540-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4540-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4540-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4540-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads