modiloader | e380bdb7e1a419c846f4cc718095cfb944fa114d81012a139b424784e4a32091

Analysis

max time kernel
118s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2024, 07:10

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General

Target

cd64543b60da4628be4b8bc7b4004f80N.exe
Size

308KB
MD5

cd64543b60da4628be4b8bc7b4004f80
SHA1

a3d7516da61656645be1d1abeb17604b23f74774
SHA256

e380bdb7e1a419c846f4cc718095cfb944fa114d81012a139b424784e4a32091
SHA512

dea529f3987c53f41ee8b23b1bc30fb2b53da774b2a443a70db51e47bcdb73f5f21a30a908aad64dbc6ac99e4c4d27858d8b81b845e3bc1162c8f88487a0d5b7
SSDEEP

3072:/c3sBG7mXh7m/zZM3jAbNOM6CNtDCZFL:E3sBz0Z4Mj72F

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/5064-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5064-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5064-49-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/5064-58-0x0000000000400000-0x0000000000414000-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	cd64543b60da4628be4b8bc7b4004f80N.exe

Executes dropped EXE 3 IoCs

pid	Process
5036	csrsll.exe
2928	csrsll.exe
5064	csrsll.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/216-5-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/216-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/216-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5064-42-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5064-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/216-47-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5064-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/216-55-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5064-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5064-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2928-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5064-58-0x0000000000400000-0x0000000000414000-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 4232 set thread context of 216	4232	cd64543b60da4628be4b8bc7b4004f80N.exe	93
PID 5036 set thread context of 2928	5036	csrsll.exe	103
PID 5036 set thread context of 5064	5036	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	cd64543b60da4628be4b8bc7b4004f80N.exe
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	cd64543b60da4628be4b8bc7b4004f80N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe
Token: SeDebugPrivilege	2928	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4232	cd64543b60da4628be4b8bc7b4004f80N.exe
216	cd64543b60da4628be4b8bc7b4004f80N.exe
5036	csrsll.exe
2928	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4232 wrote to memory of 216	4232	cd64543b60da4628be4b8bc7b4004f80N.exe	93
PID 4232 wrote to memory of 216	4232	cd64543b60da4628be4b8bc7b4004f80N.exe	93
PID 4232 wrote to memory of 216	4232	cd64543b60da4628be4b8bc7b4004f80N.exe	93
PID 4232 wrote to memory of 216	4232	cd64543b60da4628be4b8bc7b4004f80N.exe	93
PID 4232 wrote to memory of 216	4232	cd64543b60da4628be4b8bc7b4004f80N.exe	93
PID 4232 wrote to memory of 216	4232	cd64543b60da4628be4b8bc7b4004f80N.exe	93
PID 4232 wrote to memory of 216	4232	cd64543b60da4628be4b8bc7b4004f80N.exe	93
PID 4232 wrote to memory of 216	4232	cd64543b60da4628be4b8bc7b4004f80N.exe	93
PID 216 wrote to memory of 3688	216	cd64543b60da4628be4b8bc7b4004f80N.exe	96
PID 216 wrote to memory of 3688	216	cd64543b60da4628be4b8bc7b4004f80N.exe	96
PID 216 wrote to memory of 3688	216	cd64543b60da4628be4b8bc7b4004f80N.exe	96
PID 3688 wrote to memory of 3948	3688	cmd.exe	99
PID 3688 wrote to memory of 3948	3688	cmd.exe	99
PID 3688 wrote to memory of 3948	3688	cmd.exe	99
PID 216 wrote to memory of 5036	216	cd64543b60da4628be4b8bc7b4004f80N.exe	100
PID 216 wrote to memory of 5036	216	cd64543b60da4628be4b8bc7b4004f80N.exe	100
PID 216 wrote to memory of 5036	216	cd64543b60da4628be4b8bc7b4004f80N.exe	100
PID 5036 wrote to memory of 2928	5036	csrsll.exe	103
PID 5036 wrote to memory of 2928	5036	csrsll.exe	103
PID 5036 wrote to memory of 2928	5036	csrsll.exe	103
PID 5036 wrote to memory of 2928	5036	csrsll.exe	103
PID 5036 wrote to memory of 2928	5036	csrsll.exe	103
PID 5036 wrote to memory of 2928	5036	csrsll.exe	103
PID 5036 wrote to memory of 2928	5036	csrsll.exe	103
PID 5036 wrote to memory of 2928	5036	csrsll.exe	103
PID 5036 wrote to memory of 5064	5036	csrsll.exe	104
PID 5036 wrote to memory of 5064	5036	csrsll.exe	104
PID 5036 wrote to memory of 5064	5036	csrsll.exe	104
PID 5036 wrote to memory of 5064	5036	csrsll.exe	104
PID 5036 wrote to memory of 5064	5036	csrsll.exe	104
PID 5036 wrote to memory of 5064	5036	csrsll.exe	104
PID 5036 wrote to memory of 5064	5036	csrsll.exe	104
PID 5036 wrote to memory of 5064	5036	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\cd64543b60da4628be4b8bc7b4004f80N.exe
"C:\Users\Admin\AppData\Local\Temp\cd64543b60da4628be4b8bc7b4004f80N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4232
- C:\Users\Admin\AppData\Local\Temp\cd64543b60da4628be4b8bc7b4004f80N.exe
  "C:\Users\Admin\AppData\Local\Temp\cd64543b60da4628be4b8bc7b4004f80N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:216
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MNKTF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3688
  - - 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:3948
- - 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:5036
  - - 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:2928
  - - 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:5064

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=4212,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=4508 /prefetch:8
1⤵
PID:1536

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\MNKTF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
308KB

MD5
3198d8bad1de0e84bcf720a81e527c25

SHA1
bd226288252d535993fd6e1d8935c486c10252d7

SHA256
3ad315f9016213ed4dc4f3bb9353d8590356312abe325c0a74d4dbbc6dfe465a

SHA512
5dc2d7d55f46fe4705bcdd12d064dc8c70e898d2ef08dbd0909273e1e5508a8ba6523f84424918acb95728bcd360ef5df96246bef140b4610e933a84994789b0

Download Submit
memory/216-47-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/216-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/216-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/216-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/216-55-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2928-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4232-3-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/4232-4-0x0000000002320000-0x0000000002321000-memory.dmp

Filesize
4KB

Download
memory/4232-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5036-38-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5036-51-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5036-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5036-34-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5064-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5064-42-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5064-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5064-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5064-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5064-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads