modiloader | c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f

Analysis

max time kernel
118s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 11:03

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General

Target

c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
Size

90KB
MD5

1a99c57fa7d83760e09a3ff812e417b4
SHA1

7bf657bee7072b4b68d259b2a66620576a32b964
SHA256

c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f
SHA512

b0af9aa9374a3bf6230f5c159db0cfe7156fea6626ac7e7ef57a81e11f1fe8eac16488e564d05f2b6eeff74d6d7ee803e928047f86f2f28af5eb4f8cd41f3aba
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDQ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3a

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/1504-264-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
844	csrsll.exe
636	csrsll.exe
1504	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2692	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
2692	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
2692	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
2692	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
2692	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.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-1-5-21-3063565911-2056067323-3330884624-1000\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 2692	2272	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	30
PID 844 set thread context of 636	844	csrsll.exe	35
PID 844 set thread context of 1504	844	csrsll.exe	36

UPX packed file 22 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/2272-88-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2272-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2272-101-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2272-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000d00000001226b-132.dat	upx
behavioral1/memory/2692-134-0x00000000034E0000-0x0000000003533000-memory.dmp	upx
behavioral1/memory/2692-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/844-212-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1504-250-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/844-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/636-261-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1504-264-0x0000000000400000-0x0000000000414000-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	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe
Token: SeDebugPrivilege	636	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2272	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
2692	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
844	csrsll.exe
636	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2692	2272	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	30
PID 2272 wrote to memory of 2692	2272	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	30
PID 2272 wrote to memory of 2692	2272	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	30
PID 2272 wrote to memory of 2692	2272	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	30
PID 2272 wrote to memory of 2692	2272	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	30
PID 2272 wrote to memory of 2692	2272	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	30
PID 2272 wrote to memory of 2692	2272	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	30
PID 2272 wrote to memory of 2692	2272	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	30
PID 2692 wrote to memory of 2332	2692	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	31
PID 2692 wrote to memory of 2332	2692	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	31
PID 2692 wrote to memory of 2332	2692	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	31
PID 2692 wrote to memory of 2332	2692	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	31
PID 2332 wrote to memory of 2328	2332	cmd.exe	33
PID 2332 wrote to memory of 2328	2332	cmd.exe	33
PID 2332 wrote to memory of 2328	2332	cmd.exe	33
PID 2332 wrote to memory of 2328	2332	cmd.exe	33
PID 2692 wrote to memory of 844	2692	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	34
PID 2692 wrote to memory of 844	2692	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	34
PID 2692 wrote to memory of 844	2692	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	34
PID 2692 wrote to memory of 844	2692	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	34
PID 844 wrote to memory of 636	844	csrsll.exe	35
PID 844 wrote to memory of 636	844	csrsll.exe	35
PID 844 wrote to memory of 636	844	csrsll.exe	35
PID 844 wrote to memory of 636	844	csrsll.exe	35
PID 844 wrote to memory of 636	844	csrsll.exe	35
PID 844 wrote to memory of 636	844	csrsll.exe	35
PID 844 wrote to memory of 636	844	csrsll.exe	35
PID 844 wrote to memory of 636	844	csrsll.exe	35
PID 844 wrote to memory of 1504	844	csrsll.exe	36
PID 844 wrote to memory of 1504	844	csrsll.exe	36
PID 844 wrote to memory of 1504	844	csrsll.exe	36
PID 844 wrote to memory of 1504	844	csrsll.exe	36
PID 844 wrote to memory of 1504	844	csrsll.exe	36
PID 844 wrote to memory of 1504	844	csrsll.exe	36
PID 844 wrote to memory of 1504	844	csrsll.exe	36
PID 844 wrote to memory of 1504	844	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
"C:\Users\Admin\AppData\Local\Temp\c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.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\c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
  "C:\Users\Admin\AppData\Local\Temp\c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\MXUAS.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2332
  - - 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:2328
- - 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:844
  - - 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:636
  - - 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:1504

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\MXUAS.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e99435a342d977b80be9b6c2a8401680

SHA1
86abe0ba77efda5495245f6b0b8ff04e01539a83

SHA256
ea3e1c5cdd2ebaacbddd97b1db38f8405c1c506a52461de92d08a4b04502a4b2

SHA512
dfeb4a2f552d7d51e3640bed588dfd50992493f44e1788984b7c98ad4d3f13d7d6805fd5a1fa5a4fc3906000dfba7aea19a0d7520113a8ecf8553b36c02dde0d

Download Submit
memory/636-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/844-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/844-157-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/844-212-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/844-178-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/844-167-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1504-250-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1504-264-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2272-88-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2272-41-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2272-101-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2272-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2272-79-0x00000000004E0000-0x00000000004E2000-memory.dmp

Filesize
8KB

Download
memory/2272-71-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/2272-61-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

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

Filesize
332KB

Download
memory/2272-29-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

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

Filesize
332KB

Download
memory/2272-153-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

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

Filesize
332KB

Download
memory/2272-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2272-5-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2272-15-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2272-3-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2692-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-149-0x00000000034E0000-0x0000000003533000-memory.dmp

Filesize
332KB

Download
memory/2692-148-0x00000000034E0000-0x0000000003533000-memory.dmp

Filesize
332KB

Download
memory/2692-147-0x00000000034E0000-0x0000000003533000-memory.dmp

Filesize
332KB

Download
memory/2692-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-134-0x00000000034E0000-0x0000000003533000-memory.dmp

Filesize
332KB

Download
memory/2692-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-247-0x00000000034E0000-0x0000000003533000-memory.dmp

Filesize
332KB

Download
memory/2692-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-249-0x00000000034E0000-0x0000000003533000-memory.dmp

Filesize
332KB

Download
memory/2692-248-0x00000000034E0000-0x0000000003533000-memory.dmp

Filesize
332KB

Download
memory/2692-239-0x00000000034E0000-0x0000000003533000-memory.dmp

Filesize
332KB

Download
memory/2692-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2692-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads