modiloader | 367825ee9ba73d84036b0909e07205295077297294d7f5b944e8017d0a49a243

Analysis

max time kernel
150s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2023 10:59

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General

Target

NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe
Size

326KB
MD5

f4789d1b87490b9424ca6c0186324320
SHA1

4d439646a9f1a476db03ba837a6c09d096b33aaf
SHA256

367825ee9ba73d84036b0909e07205295077297294d7f5b944e8017d0a49a243
SHA512

190d46e710610e2e3b147330f794adbbd2215498bcc3c6aa266cc3c8f7d33da87e93215a56e0379e8018b86c83bbe109a870a7e67a3cabffc057d7d510edabd3
SSDEEP

3072:Ie2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:IsxD5cwohO+O1sVG0/pZ6iPC8

Score

10^/10

modiloader 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 3 IoCs

resource	yara_rule
behavioral2/memory/1156-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1156-61-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1156-64-0x0000000000400000-0x0000000000414000-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-1-5-21-3811856890-180006922-3689258494-1000\Control Panel\International\Geo\Nation	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe

Executes dropped EXE 3 IoCs

pid	Process
3780	csrsll.exe
1352	csrsll.exe
1156	csrsll.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4196-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4196-3-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/424-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4196-10-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/424-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/424-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000022e49-28.dat	upx
behavioral2/files/0x0008000000022e49-34.dat	upx
behavioral2/files/0x0008000000022e49-36.dat	upx
behavioral2/memory/3780-35-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/424-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3780-46-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x0008000000022e49-45.dat	upx
behavioral2/memory/1156-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/files/0x0008000000022e49-50.dat	upx
behavioral2/memory/1156-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3780-58-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1156-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/424-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1156-61-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1352-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1156-64-0x0000000000400000-0x0000000000414000-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-1-5-21-3811856890-180006922-3689258494-1000\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 4196 set thread context of 424	4196	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	96
PID 3780 set thread context of 1352	3780	csrsll.exe	104
PID 3780 set thread context of 1156	3780	csrsll.exe	105

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe
Token: SeDebugPrivilege	1352	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4196	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe
424	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe
3780	csrsll.exe
1352	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4196 wrote to memory of 424	4196	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	96
PID 4196 wrote to memory of 424	4196	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	96
PID 4196 wrote to memory of 424	4196	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	96
PID 4196 wrote to memory of 424	4196	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	96
PID 4196 wrote to memory of 424	4196	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	96
PID 4196 wrote to memory of 424	4196	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	96
PID 4196 wrote to memory of 424	4196	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	96
PID 4196 wrote to memory of 424	4196	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	96
PID 424 wrote to memory of 1088	424	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	99
PID 424 wrote to memory of 1088	424	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	99
PID 424 wrote to memory of 1088	424	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	99
PID 1088 wrote to memory of 3104	1088	cmd.exe	102
PID 1088 wrote to memory of 3104	1088	cmd.exe	102
PID 1088 wrote to memory of 3104	1088	cmd.exe	102
PID 424 wrote to memory of 3780	424	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	103
PID 424 wrote to memory of 3780	424	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	103
PID 424 wrote to memory of 3780	424	NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe	103
PID 3780 wrote to memory of 1352	3780	csrsll.exe	104
PID 3780 wrote to memory of 1352	3780	csrsll.exe	104
PID 3780 wrote to memory of 1352	3780	csrsll.exe	104
PID 3780 wrote to memory of 1352	3780	csrsll.exe	104
PID 3780 wrote to memory of 1352	3780	csrsll.exe	104
PID 3780 wrote to memory of 1352	3780	csrsll.exe	104
PID 3780 wrote to memory of 1352	3780	csrsll.exe	104
PID 3780 wrote to memory of 1352	3780	csrsll.exe	104
PID 3780 wrote to memory of 1156	3780	csrsll.exe	105
PID 3780 wrote to memory of 1156	3780	csrsll.exe	105
PID 3780 wrote to memory of 1156	3780	csrsll.exe	105
PID 3780 wrote to memory of 1156	3780	csrsll.exe	105
PID 3780 wrote to memory of 1156	3780	csrsll.exe	105
PID 3780 wrote to memory of 1156	3780	csrsll.exe	105
PID 3780 wrote to memory of 1156	3780	csrsll.exe	105
PID 3780 wrote to memory of 1156	3780	csrsll.exe	105

C:\Users\Admin\AppData\Local\Temp\NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4196
- C:\Users\Admin\AppData\Local\Temp\NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe
  "C:\Users\Admin\AppData\Local\Temp\NEAS.f4789d1b87490b9424ca6c0186324320_JC.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:424
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TDOTP.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1088
  - - 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
      PID:3104
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3780
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1352
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      PID:1156

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\TDOTP.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\TDOTP.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
e81e16c71f0ecef111c5c6700a9406a8

SHA1
a3b56675a102237e8b55597bcad93b6123d5172b

SHA256
db4624e9cc547ee3da85b73f19085ea4d9d1a88a76ad309d19b2ae720f81a5ce

SHA512
ca4a2fba1f81613f566edada34a56a4918ec8ea87bc7fbdb7e3ef1311d12207cbddbb5535d9c064f6d498d12f7afe9a0127a3c926202ce04c9f1951d799d44f8

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

Filesize
326KB

MD5
e81e16c71f0ecef111c5c6700a9406a8

SHA1
a3b56675a102237e8b55597bcad93b6123d5172b

SHA256
db4624e9cc547ee3da85b73f19085ea4d9d1a88a76ad309d19b2ae720f81a5ce

SHA512
ca4a2fba1f81613f566edada34a56a4918ec8ea87bc7fbdb7e3ef1311d12207cbddbb5535d9c064f6d498d12f7afe9a0127a3c926202ce04c9f1951d799d44f8

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

Filesize
326KB

MD5
e81e16c71f0ecef111c5c6700a9406a8

SHA1
a3b56675a102237e8b55597bcad93b6123d5172b

SHA256
db4624e9cc547ee3da85b73f19085ea4d9d1a88a76ad309d19b2ae720f81a5ce

SHA512
ca4a2fba1f81613f566edada34a56a4918ec8ea87bc7fbdb7e3ef1311d12207cbddbb5535d9c064f6d498d12f7afe9a0127a3c926202ce04c9f1951d799d44f8

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

Filesize
326KB

MD5
e81e16c71f0ecef111c5c6700a9406a8

SHA1
a3b56675a102237e8b55597bcad93b6123d5172b

SHA256
db4624e9cc547ee3da85b73f19085ea4d9d1a88a76ad309d19b2ae720f81a5ce

SHA512
ca4a2fba1f81613f566edada34a56a4918ec8ea87bc7fbdb7e3ef1311d12207cbddbb5535d9c064f6d498d12f7afe9a0127a3c926202ce04c9f1951d799d44f8

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

Filesize
326KB

MD5
e81e16c71f0ecef111c5c6700a9406a8

SHA1
a3b56675a102237e8b55597bcad93b6123d5172b

SHA256
db4624e9cc547ee3da85b73f19085ea4d9d1a88a76ad309d19b2ae720f81a5ce

SHA512
ca4a2fba1f81613f566edada34a56a4918ec8ea87bc7fbdb7e3ef1311d12207cbddbb5535d9c064f6d498d12f7afe9a0127a3c926202ce04c9f1951d799d44f8

Download Submit
memory/424-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/424-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/424-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/424-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/424-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1156-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1156-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1156-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1156-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1156-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1352-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3780-43-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/3780-49-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/3780-46-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3780-42-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/3780-41-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/3780-58-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3780-35-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4196-5-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4196-3-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4196-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/4196-4-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4196-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4196-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads