modiloader | 710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664

Analysis

max time kernel
148s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-01-2025 03:44

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General

Target

710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
Size

326KB
MD5

43b334909615f9c26ea3af06b1f566b2
SHA1

e649c3522aaf64293ad7d6bab6edcb5be9e49ead
SHA256

710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664
SHA512

e4303e9a3dc13b121712c093afe6beb3f7dd84f6badafb7551955bd5a4c5c2e60e992e3c6e599902bad7faffdf213b3e148838ede802b3547561570ead229d08
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVW:csxD5cwohO+O1sVG0/pZ6iPC8b

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/1076-254-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1076-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1868	csrsll.exe
1968	csrsll.exe
1076	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2724	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
2724	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
2724	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
2724	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
2724	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.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 2296 set thread context of 2724	2296	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	31
PID 1868 set thread context of 1968	1868	csrsll.exe	36
PID 1868 set thread context of 1076	1868	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2296-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2296-88-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2724-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2724-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2724-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2296-99-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2724-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2724-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2724-91-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a000000015d50-129.dat	upx
behavioral1/memory/1868-149-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2724-147-0x0000000003460000-0x00000000034B4000-memory.dmp	upx
behavioral1/memory/2724-144-0x0000000003460000-0x00000000034B4000-memory.dmp	upx
behavioral1/memory/2724-143-0x0000000003460000-0x00000000034B4000-memory.dmp	upx
behavioral1/memory/2724-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1868-212-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2724-248-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1076-254-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1968-253-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1868-245-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1968-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1076-257-0x0000000000400000-0x0000000000414000-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	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe
Token: SeDebugPrivilege	1968	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2296	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
2724	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
1868	csrsll.exe
1968	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2724	2296	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	31
PID 2296 wrote to memory of 2724	2296	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	31
PID 2296 wrote to memory of 2724	2296	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	31
PID 2296 wrote to memory of 2724	2296	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	31
PID 2296 wrote to memory of 2724	2296	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	31
PID 2296 wrote to memory of 2724	2296	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	31
PID 2296 wrote to memory of 2724	2296	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	31
PID 2296 wrote to memory of 2724	2296	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	31
PID 2724 wrote to memory of 1372	2724	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	32
PID 2724 wrote to memory of 1372	2724	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	32
PID 2724 wrote to memory of 1372	2724	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	32
PID 2724 wrote to memory of 1372	2724	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	32
PID 1372 wrote to memory of 1236	1372	cmd.exe	34
PID 1372 wrote to memory of 1236	1372	cmd.exe	34
PID 1372 wrote to memory of 1236	1372	cmd.exe	34
PID 1372 wrote to memory of 1236	1372	cmd.exe	34
PID 2724 wrote to memory of 1868	2724	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	35
PID 2724 wrote to memory of 1868	2724	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	35
PID 2724 wrote to memory of 1868	2724	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	35
PID 2724 wrote to memory of 1868	2724	710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe	35
PID 1868 wrote to memory of 1968	1868	csrsll.exe	36
PID 1868 wrote to memory of 1968	1868	csrsll.exe	36
PID 1868 wrote to memory of 1968	1868	csrsll.exe	36
PID 1868 wrote to memory of 1968	1868	csrsll.exe	36
PID 1868 wrote to memory of 1968	1868	csrsll.exe	36
PID 1868 wrote to memory of 1968	1868	csrsll.exe	36
PID 1868 wrote to memory of 1968	1868	csrsll.exe	36
PID 1868 wrote to memory of 1968	1868	csrsll.exe	36
PID 1868 wrote to memory of 1076	1868	csrsll.exe	37
PID 1868 wrote to memory of 1076	1868	csrsll.exe	37
PID 1868 wrote to memory of 1076	1868	csrsll.exe	37
PID 1868 wrote to memory of 1076	1868	csrsll.exe	37
PID 1868 wrote to memory of 1076	1868	csrsll.exe	37
PID 1868 wrote to memory of 1076	1868	csrsll.exe	37
PID 1868 wrote to memory of 1076	1868	csrsll.exe	37
PID 1868 wrote to memory of 1076	1868	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
"C:\Users\Admin\AppData\Local\Temp\710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Users\Admin\AppData\Local\Temp\710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe
  "C:\Users\Admin\AppData\Local\Temp\710068d91e0605f768f0f745c629910456cf4d26b40bd3bba145daf812d8a664.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\PGYQM.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1372
  - - 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:1236
- - 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:1868
  - - 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:1968
  - - 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:1076

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\PGYQM.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
0b525225d146e88781288801f9b011e6

SHA1
fc7384b5d2f196a1163d57d127115f7c013f50eb

SHA256
605d880099c0d1fdd1d32fcb7c1c4d25d78d2eccd414f5cd3dc06a950201d7e7

SHA512
b5f7291916b43de4fe36f86acf3d4fba0f22f976133d4d13424f3576786bce7d7327b83093307b85c30d848a6b2df8afa6c41be5b960d632db3741279dfc99b6

Download Submit
memory/1076-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1076-254-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1868-165-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1868-149-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1868-212-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1868-155-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1868-176-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1868-245-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1968-253-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1968-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2296-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2296-88-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2296-103-0x0000000002770000-0x00000000027C4000-memory.dmp

Filesize
336KB

Download
memory/2296-78-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/2296-84-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2296-99-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2296-85-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2296-40-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2296-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2296-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2296-28-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2296-60-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2296-70-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2296-5-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2296-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2724-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-145-0x0000000003460000-0x00000000034B4000-memory.dmp

Filesize
336KB

Download
memory/2724-144-0x0000000003460000-0x00000000034B4000-memory.dmp

Filesize
336KB

Download
memory/2724-143-0x0000000003460000-0x00000000034B4000-memory.dmp

Filesize
336KB

Download
memory/2724-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-146-0x0000000003460000-0x00000000034B4000-memory.dmp

Filesize
336KB

Download
memory/2724-147-0x0000000003460000-0x00000000034B4000-memory.dmp

Filesize
336KB

Download
memory/2724-89-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-210-0x0000000003460000-0x00000000034B4000-memory.dmp

Filesize
336KB

Download
memory/2724-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-248-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-95-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads