modiloader | 70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65

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
19-01-2025 02:49

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General

Target

70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
Size

90KB
MD5

87180aef35e128c5960274d8a722a327
SHA1

0de2de5b117613474f9a063de8f41cfdfc358889
SHA256

70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65
SHA512

e7c8e78c905e16b3afa76179dc5be2f5aae673be531b99b793aae99524c4598312f1a15ec50d6c2313a4749c3da3b82b493dc5b10f1b91355e3944465566a904
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDm:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE38

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/2968-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2968-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2968-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2968-60-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe

Executes dropped EXE 3 IoCs

pid	Process
2032	csrsll.exe
1604	csrsll.exe
2968	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-1-5-21-493223053-2004649691-1575712786-1000\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 4448 set thread context of 4692	4448	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	85
PID 2032 set thread context of 1604	2032	csrsll.exe	97
PID 2032 set thread context of 2968	2032	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4448-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4448-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4692-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4692-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4692-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4448-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000e000000023a68-28.dat	upx
behavioral2/memory/4692-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2032-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2032-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2968-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2968-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2968-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2968-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2968-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2032-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4692-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1604-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2968-60-0x0000000000400000-0x0000000000414000-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	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.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	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe
Token: SeDebugPrivilege	1604	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4448	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
4692	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
2032	csrsll.exe
1604	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4448 wrote to memory of 4692	4448	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	85
PID 4448 wrote to memory of 4692	4448	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	85
PID 4448 wrote to memory of 4692	4448	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	85
PID 4448 wrote to memory of 4692	4448	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	85
PID 4448 wrote to memory of 4692	4448	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	85
PID 4448 wrote to memory of 4692	4448	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	85
PID 4448 wrote to memory of 4692	4448	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	85
PID 4448 wrote to memory of 4692	4448	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	85
PID 4692 wrote to memory of 4348	4692	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	86
PID 4692 wrote to memory of 4348	4692	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	86
PID 4692 wrote to memory of 4348	4692	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	86
PID 4348 wrote to memory of 2076	4348	cmd.exe	90
PID 4348 wrote to memory of 2076	4348	cmd.exe	90
PID 4348 wrote to memory of 2076	4348	cmd.exe	90
PID 4692 wrote to memory of 2032	4692	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	91
PID 4692 wrote to memory of 2032	4692	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	91
PID 4692 wrote to memory of 2032	4692	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	91
PID 2032 wrote to memory of 1604	2032	csrsll.exe	97
PID 2032 wrote to memory of 1604	2032	csrsll.exe	97
PID 2032 wrote to memory of 1604	2032	csrsll.exe	97
PID 2032 wrote to memory of 1604	2032	csrsll.exe	97
PID 2032 wrote to memory of 1604	2032	csrsll.exe	97
PID 2032 wrote to memory of 1604	2032	csrsll.exe	97
PID 2032 wrote to memory of 1604	2032	csrsll.exe	97
PID 2032 wrote to memory of 1604	2032	csrsll.exe	97
PID 2032 wrote to memory of 2968	2032	csrsll.exe	98
PID 2032 wrote to memory of 2968	2032	csrsll.exe	98
PID 2032 wrote to memory of 2968	2032	csrsll.exe	98
PID 2032 wrote to memory of 2968	2032	csrsll.exe	98
PID 2032 wrote to memory of 2968	2032	csrsll.exe	98
PID 2032 wrote to memory of 2968	2032	csrsll.exe	98
PID 2032 wrote to memory of 2968	2032	csrsll.exe	98
PID 2032 wrote to memory of 2968	2032	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
"C:\Users\Admin\AppData\Local\Temp\70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Users\Admin\AppData\Local\Temp\70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
  "C:\Users\Admin\AppData\Local\Temp\70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4692
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EPRMK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4348
  - - 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:2076
- - 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:2032
  - - 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:1604
  - - 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:2968

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\EPRMK.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
c962768aceb7ae6fcc6444f50c1fa17f

SHA1
95dfc1070d6980339dec61e6f6b68bc1ca6a2f85

SHA256
01f892470c031eaefb737de96d56e15d8898c6153eb0bbcb0e3078e232251941

SHA512
7b2b72bf73328fb3d434796083f1018c1ce6ddf754d37467f9c0e99cd72477d79efe3ddf9968948016ca4ab4a740b8a2efe98f2d5105571d4f98824ea78f5f8b

Download Submit
memory/1604-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2032-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2032-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2032-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2968-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2968-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2968-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2968-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2968-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2968-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4448-5-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/4448-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4448-6-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/4448-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4448-3-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/4448-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4692-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4692-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4692-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4692-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4692-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads