modiloader | 513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 00:56

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General

Target

513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
Size

90KB
MD5

ba99f929719246d68aad3d56d4a4e8b9
SHA1

7b8da0da9aa6073afc4e072a47fe5babcdc78d18
SHA256

513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43
SHA512

37330ac79d89730f0f476d6b9a66466b74a09984583cb5c7699910ee74de29c932c2680650f1a46bcb4428babcd71f2b529e73955e761ed535991dc8407b2855
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD9:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3r

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 family
modiloader

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/3628-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3628-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3628-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3628-61-0x0000000000400000-0x0000000000414000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe

Executes dropped EXE 3 IoCs

pid	Process
3024	csrsll.exe
2900	csrsll.exe
3628	csrsll.exe

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-1-5-21-3227495264-2217614367-4027411560-1000\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 1036 set thread context of 964	1036	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	82
PID 3024 set thread context of 2900	3024	csrsll.exe	93
PID 3024 set thread context of 3628	3024	csrsll.exe	94

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1036-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1036-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/964-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/964-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1036-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/964-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c8e-29.dat	upx
behavioral2/memory/964-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3024-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3024-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3628-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3628-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3024-53-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3628-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3628-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3628-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/964-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2900-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3628-61-0x0000000000400000-0x0000000000414000-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 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	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe
Token: SeDebugPrivilege	2900	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1036	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
964	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
3024	csrsll.exe
2900	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 964	1036	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	82
PID 1036 wrote to memory of 964	1036	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	82
PID 1036 wrote to memory of 964	1036	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	82
PID 1036 wrote to memory of 964	1036	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	82
PID 1036 wrote to memory of 964	1036	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	82
PID 1036 wrote to memory of 964	1036	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	82
PID 1036 wrote to memory of 964	1036	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	82
PID 1036 wrote to memory of 964	1036	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	82
PID 964 wrote to memory of 1804	964	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	83
PID 964 wrote to memory of 1804	964	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	83
PID 964 wrote to memory of 1804	964	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	83
PID 1804 wrote to memory of 4436	1804	cmd.exe	86
PID 1804 wrote to memory of 4436	1804	cmd.exe	86
PID 1804 wrote to memory of 4436	1804	cmd.exe	86
PID 964 wrote to memory of 3024	964	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	87
PID 964 wrote to memory of 3024	964	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	87
PID 964 wrote to memory of 3024	964	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	87
PID 3024 wrote to memory of 2900	3024	csrsll.exe	93
PID 3024 wrote to memory of 2900	3024	csrsll.exe	93
PID 3024 wrote to memory of 2900	3024	csrsll.exe	93
PID 3024 wrote to memory of 2900	3024	csrsll.exe	93
PID 3024 wrote to memory of 2900	3024	csrsll.exe	93
PID 3024 wrote to memory of 2900	3024	csrsll.exe	93
PID 3024 wrote to memory of 2900	3024	csrsll.exe	93
PID 3024 wrote to memory of 2900	3024	csrsll.exe	93
PID 3024 wrote to memory of 3628	3024	csrsll.exe	94
PID 3024 wrote to memory of 3628	3024	csrsll.exe	94
PID 3024 wrote to memory of 3628	3024	csrsll.exe	94
PID 3024 wrote to memory of 3628	3024	csrsll.exe	94
PID 3024 wrote to memory of 3628	3024	csrsll.exe	94
PID 3024 wrote to memory of 3628	3024	csrsll.exe	94
PID 3024 wrote to memory of 3628	3024	csrsll.exe	94
PID 3024 wrote to memory of 3628	3024	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
"C:\Users\Admin\AppData\Local\Temp\513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Users\Admin\AppData\Local\Temp\513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
  "C:\Users\Admin\AppData\Local\Temp\513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:964
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HMIJU.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1804
  - - 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:4436
- - 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:3024
  - - 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:2900
  - - 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:3628

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\HMIJU.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
41cce97c672187851896d61b7d95e5cd

SHA1
8b8f2aa4651a73b1c20242d460eb6c384bcf185a

SHA256
6351285c6ff0e4d8d71e6e07a7837bed7a69f0560f888c4c37624b14f5bd8d0a

SHA512
9b064c4a0e8fce5ba9109eee2a5a74c42290a6f7e292599c6558784f1d40968f281f9e2a059d517fc839187cb21a4f72e6546e8c8318652a4b3747bfaa7d3e7b

Download Submit
memory/964-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/964-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/964-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/964-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/964-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1036-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1036-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1036-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1036-4-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/1036-3-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/1036-6-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/2900-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3024-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3024-53-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3024-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3628-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3628-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3628-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3628-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3628-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3628-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads