modiloader | 27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a

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
21-01-2025 13:51

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General

Target

27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe
Size

90KB
MD5

aed48a3f8a70c87c57a02a639555144c
SHA1

10f5d32f0424899cf8a0e7acef6f0de84e0bed58
SHA256

27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a
SHA512

850465506b36525d316c33acd510f5a8fc6f70ca9beafe0106ae139e118649c1694c294853d283e5fd56960e28355a8f77f40e053139970b2932efe435f289e5
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD2:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3U

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 1 IoCs

resource	yara_rule
behavioral1/memory/1440-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2676	csrsll.exe
2908	csrsll.exe
1440	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1664	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe
1664	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe
1664	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe
1664	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe
1664	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.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-1-5-21-3533259084-2542256011-65585152-1000\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 2272 set thread context of 1664	2272	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	28
PID 2676 set thread context of 2908	2676	csrsll.exe	33
PID 2676 set thread context of 1440	2676	csrsll.exe	34

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2272-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2272-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2272-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1664-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1664-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1664-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1664-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1664-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2272-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1664-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x003600000001487e-130.dat	upx
behavioral1/memory/1664-144-0x00000000031B0000-0x0000000003203000-memory.dmp	upx
behavioral1/memory/1664-149-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2676-209-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2676-249-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1664-252-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1440-246-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2908-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1440-257-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe
Token: SeDebugPrivilege	2908	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2272	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe
1664	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe
2676	csrsll.exe
2908	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1664	2272	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	28
PID 2272 wrote to memory of 1664	2272	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	28
PID 2272 wrote to memory of 1664	2272	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	28
PID 2272 wrote to memory of 1664	2272	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	28
PID 2272 wrote to memory of 1664	2272	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	28
PID 2272 wrote to memory of 1664	2272	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	28
PID 2272 wrote to memory of 1664	2272	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	28
PID 2272 wrote to memory of 1664	2272	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	28
PID 1664 wrote to memory of 280	1664	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	29
PID 1664 wrote to memory of 280	1664	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	29
PID 1664 wrote to memory of 280	1664	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	29
PID 1664 wrote to memory of 280	1664	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	29
PID 280 wrote to memory of 2804	280	cmd.exe	31
PID 280 wrote to memory of 2804	280	cmd.exe	31
PID 280 wrote to memory of 2804	280	cmd.exe	31
PID 280 wrote to memory of 2804	280	cmd.exe	31
PID 1664 wrote to memory of 2676	1664	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	32
PID 1664 wrote to memory of 2676	1664	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	32
PID 1664 wrote to memory of 2676	1664	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	32
PID 1664 wrote to memory of 2676	1664	27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe	32
PID 2676 wrote to memory of 2908	2676	csrsll.exe	33
PID 2676 wrote to memory of 2908	2676	csrsll.exe	33
PID 2676 wrote to memory of 2908	2676	csrsll.exe	33
PID 2676 wrote to memory of 2908	2676	csrsll.exe	33
PID 2676 wrote to memory of 2908	2676	csrsll.exe	33
PID 2676 wrote to memory of 2908	2676	csrsll.exe	33
PID 2676 wrote to memory of 2908	2676	csrsll.exe	33
PID 2676 wrote to memory of 2908	2676	csrsll.exe	33
PID 2676 wrote to memory of 1440	2676	csrsll.exe	34
PID 2676 wrote to memory of 1440	2676	csrsll.exe	34
PID 2676 wrote to memory of 1440	2676	csrsll.exe	34
PID 2676 wrote to memory of 1440	2676	csrsll.exe	34
PID 2676 wrote to memory of 1440	2676	csrsll.exe	34
PID 2676 wrote to memory of 1440	2676	csrsll.exe	34
PID 2676 wrote to memory of 1440	2676	csrsll.exe	34
PID 2676 wrote to memory of 1440	2676	csrsll.exe	34

C:\Users\Admin\AppData\Local\Temp\27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe
"C:\Users\Admin\AppData\Local\Temp\27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Users\Admin\AppData\Local\Temp\27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe
  "C:\Users\Admin\AppData\Local\Temp\27ef3350f50e7d29d6fd36fb26c6b1cca41639e53271aa02716022f21f22e41a.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\TLAUQ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:280
  - - 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:2804
- - 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:2676
  - - 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:2908
  - - 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:1440

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
c407e1cd0a67ff5cb3ac99f8ae68b172

SHA1
cd5f624ee64049625c25d5bcd57fde45b165f9ac

SHA256
a855fa0d5da882993dce5948648980cd16325f430a741d269ef2e56391f72aab

SHA512
21a8883c098ad51a4cde228e2a36c2c534d6bfce1980f3ecd5127037338399d44fc89bb6c9811b7ea2e88506ef6b9829217f458a4d8a855ad237e108ae42f522

Download Submit
memory/1440-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1440-246-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1664-145-0x00000000031B0000-0x0000000003203000-memory.dmp

Filesize
332KB

Download
memory/1664-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1664-149-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1664-144-0x00000000031B0000-0x0000000003203000-memory.dmp

Filesize
332KB

Download
memory/1664-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1664-252-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1664-245-0x00000000031B0000-0x0000000003203000-memory.dmp

Filesize
332KB

Download
memory/1664-237-0x00000000031B0000-0x0000000003203000-memory.dmp

Filesize
332KB

Download
memory/1664-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1664-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1664-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1664-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1664-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1664-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2272-29-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2272-15-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2272-79-0x0000000001D00000-0x0000000001D02000-memory.dmp

Filesize
8KB

Download
memory/2272-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2272-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2272-41-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/2272-61-0x0000000001CC0000-0x0000000001CC1000-memory.dmp

Filesize
4KB

Download
memory/2272-71-0x0000000001CE0000-0x0000000001CE1000-memory.dmp

Filesize
4KB

Download
memory/2272-3-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2272-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2272-5-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2272-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2272-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2676-173-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2676-249-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2676-162-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2676-209-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2676-152-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2908-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads