modiloader | 589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46

Analysis

max time kernel
118s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 06:05

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General

Target

589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe
Size

300KB
MD5

e8746f60596b6d3a37dedb9355c568e0
SHA1

7a19ecc8ef5dd848a299b585d2ddef062fc44c4e
SHA256

589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46
SHA512

4b36163d40ac578ec0b6acde4db9a43f4aac32582b3a3f28de2e00b18f02641e185793735e6467a450492106b2cacee805ab84f2e5a3954f8e3893936c9e140b
SSDEEP

3072:Ue2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38G8:UsxD5cwohO+O1sVG0/pZ6iPC8G

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 2 IoCs

resource	yara_rule
behavioral1/memory/1620-244-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1620-253-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2792	csrsll.exe
1644	csrsll.exe
1620	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2600	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe
2600	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe
2600	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe
2600	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe
2600	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.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-1-5-21-312935884-697965778-3955649944-1000\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 2988 set thread context of 2600	2988	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	31
PID 2792 set thread context of 1644	2792	csrsll.exe	36
PID 2792 set thread context of 1620	2792	csrsll.exe	37

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2600-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1620-244-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2600-226-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-247-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1644-250-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1620-253-0x0000000000400000-0x0000000000414000-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	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	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe
Token: SeDebugPrivilege	1644	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2988	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe
2600	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe
2792	csrsll.exe
1644	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2600	2988	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	31
PID 2988 wrote to memory of 2600	2988	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	31
PID 2988 wrote to memory of 2600	2988	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	31
PID 2988 wrote to memory of 2600	2988	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	31
PID 2988 wrote to memory of 2600	2988	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	31
PID 2988 wrote to memory of 2600	2988	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	31
PID 2988 wrote to memory of 2600	2988	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	31
PID 2988 wrote to memory of 2600	2988	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	31
PID 2600 wrote to memory of 236	2600	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	32
PID 2600 wrote to memory of 236	2600	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	32
PID 2600 wrote to memory of 236	2600	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	32
PID 2600 wrote to memory of 236	2600	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	32
PID 236 wrote to memory of 1852	236	cmd.exe	34
PID 236 wrote to memory of 1852	236	cmd.exe	34
PID 236 wrote to memory of 1852	236	cmd.exe	34
PID 236 wrote to memory of 1852	236	cmd.exe	34
PID 2600 wrote to memory of 2792	2600	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	35
PID 2600 wrote to memory of 2792	2600	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	35
PID 2600 wrote to memory of 2792	2600	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	35
PID 2600 wrote to memory of 2792	2600	589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe	35
PID 2792 wrote to memory of 1644	2792	csrsll.exe	36
PID 2792 wrote to memory of 1644	2792	csrsll.exe	36
PID 2792 wrote to memory of 1644	2792	csrsll.exe	36
PID 2792 wrote to memory of 1644	2792	csrsll.exe	36
PID 2792 wrote to memory of 1644	2792	csrsll.exe	36
PID 2792 wrote to memory of 1644	2792	csrsll.exe	36
PID 2792 wrote to memory of 1644	2792	csrsll.exe	36
PID 2792 wrote to memory of 1644	2792	csrsll.exe	36
PID 2792 wrote to memory of 1620	2792	csrsll.exe	37
PID 2792 wrote to memory of 1620	2792	csrsll.exe	37
PID 2792 wrote to memory of 1620	2792	csrsll.exe	37
PID 2792 wrote to memory of 1620	2792	csrsll.exe	37
PID 2792 wrote to memory of 1620	2792	csrsll.exe	37
PID 2792 wrote to memory of 1620	2792	csrsll.exe	37
PID 2792 wrote to memory of 1620	2792	csrsll.exe	37
PID 2792 wrote to memory of 1620	2792	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe
"C:\Users\Admin\AppData\Local\Temp\589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Users\Admin\AppData\Local\Temp\589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe
  "C:\Users\Admin\AppData\Local\Temp\589cf46db69bd928cc1eb36219381b8a762cf10ae165d6094c1ccf6e184fbe46N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\SRDMD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:236
  - - 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:1852
- - 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:2792
  - - 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:1644
  - - 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:1620

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
300KB

MD5
25fd97ca849bf31ab05d1511db3555b1

SHA1
a24ea08f55c016342e5a0d7d896f397084ed5bed

SHA256
e7877a71242351f41eab3a9d83912459efa0544a0d4b812872830e114e8630d0

SHA512
1e0f8cffa2dd1b5931735ed0f0544d96dcee99fbabe1757a024acad2cece013b42a713ce6556c215d9661d22d201cee493500f5661047f402a9ba1c529d3512f

Download Submit
memory/1620-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1620-244-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1644-250-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-247-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-226-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2792-159-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2792-149-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2792-171-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2988-82-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/2988-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2988-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2988-39-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2988-27-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2988-85-0x00000000003C0000-0x00000000003C2000-memory.dmp

Filesize
8KB

Download
memory/2988-59-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2988-90-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/2988-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2988-77-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2988-69-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2988-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2988-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads