modiloader | fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 06:31

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General

Target

fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe
Size

90KB
MD5

1124142fa2cec1eeaef51e00ae1424ea
SHA1

eb579f4b1b1dfcd416bf22407be08ca4506de5c8
SHA256

fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767
SHA512

1a1f42946874de3adcf29fa7c117e9f89671c73606d23ca2941825128850f2b58a8673dbf175fd929fe650f7ba0d10d316e70a50b704f30b1b26e7d6a3972280
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDE:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE32

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/2052-255-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
584	csrsll.exe
1416	csrsll.exe
2052	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1900	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe
1900	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe
1900	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe
1900	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe
1900	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.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-1-5-21-1163522206-1469769407-485553996-1000\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 2804 set thread context of 1900	2804	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	30
PID 584 set thread context of 1416	584	csrsll.exe	35
PID 584 set thread context of 2052	584	csrsll.exe	36

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2804-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2804-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2804-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1900-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1900-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1900-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1900-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2804-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1900-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1900-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000d00000001202c-131.dat	upx
behavioral1/memory/1900-145-0x0000000002940000-0x0000000002993000-memory.dmp	upx
behavioral1/memory/584-147-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1900-150-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/584-224-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/584-247-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1416-244-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2052-246-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1900-253-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1416-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2052-255-0x0000000000400000-0x0000000000414000-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	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	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe
Token: SeDebugPrivilege	1416	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2804	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe
1900	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe
584	csrsll.exe
1416	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 1900	2804	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	30
PID 2804 wrote to memory of 1900	2804	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	30
PID 2804 wrote to memory of 1900	2804	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	30
PID 2804 wrote to memory of 1900	2804	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	30
PID 2804 wrote to memory of 1900	2804	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	30
PID 2804 wrote to memory of 1900	2804	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	30
PID 2804 wrote to memory of 1900	2804	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	30
PID 2804 wrote to memory of 1900	2804	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	30
PID 1900 wrote to memory of 2888	1900	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	31
PID 1900 wrote to memory of 2888	1900	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	31
PID 1900 wrote to memory of 2888	1900	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	31
PID 1900 wrote to memory of 2888	1900	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	31
PID 2888 wrote to memory of 3000	2888	cmd.exe	33
PID 2888 wrote to memory of 3000	2888	cmd.exe	33
PID 2888 wrote to memory of 3000	2888	cmd.exe	33
PID 2888 wrote to memory of 3000	2888	cmd.exe	33
PID 1900 wrote to memory of 584	1900	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	34
PID 1900 wrote to memory of 584	1900	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	34
PID 1900 wrote to memory of 584	1900	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	34
PID 1900 wrote to memory of 584	1900	fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe	34
PID 584 wrote to memory of 1416	584	csrsll.exe	35
PID 584 wrote to memory of 1416	584	csrsll.exe	35
PID 584 wrote to memory of 1416	584	csrsll.exe	35
PID 584 wrote to memory of 1416	584	csrsll.exe	35
PID 584 wrote to memory of 1416	584	csrsll.exe	35
PID 584 wrote to memory of 1416	584	csrsll.exe	35
PID 584 wrote to memory of 1416	584	csrsll.exe	35
PID 584 wrote to memory of 1416	584	csrsll.exe	35
PID 584 wrote to memory of 2052	584	csrsll.exe	36
PID 584 wrote to memory of 2052	584	csrsll.exe	36
PID 584 wrote to memory of 2052	584	csrsll.exe	36
PID 584 wrote to memory of 2052	584	csrsll.exe	36
PID 584 wrote to memory of 2052	584	csrsll.exe	36
PID 584 wrote to memory of 2052	584	csrsll.exe	36
PID 584 wrote to memory of 2052	584	csrsll.exe	36
PID 584 wrote to memory of 2052	584	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe
"C:\Users\Admin\AppData\Local\Temp\fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Users\Admin\AppData\Local\Temp\fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe
  "C:\Users\Admin\AppData\Local\Temp\fbe2ec1a8289a917c6a839a4f13f203e9a0bb1fba071ec2987b4a051f6c22767.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\HDXCP.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2888
  - - 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:3000
- - 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:584
  - - 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:1416
  - - 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:2052

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\HDXCP.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a8889f200ca878da6da0f81cbb85a2e6

SHA1
5d4e345e18f87896ad22656fe50635f3c559f6e1

SHA256
e34fce3adbe2219098f80a63e97acea7c332bf820830b01f8e1cab7a75645c88

SHA512
5ea8d023d850a3dbc15d6748cc83a0d63a6b3c73cf4ecaf4b920159dc3801f7367863d45721db716da3cae26334f918c58aff6dffdeec5215d13ec533ca1f995

Download Submit
memory/584-224-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/584-147-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/584-153-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/584-174-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/584-247-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/584-163-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1416-244-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1416-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1900-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1900-150-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1900-253-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1900-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1900-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1900-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1900-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1900-145-0x0000000002940000-0x0000000002993000-memory.dmp

Filesize
332KB

Download
memory/1900-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1900-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1900-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2052-246-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2052-255-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2804-79-0x0000000000490000-0x0000000000492000-memory.dmp

Filesize
8KB

Download
memory/2804-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2804-41-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2804-61-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2804-71-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/2804-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2804-92-0x0000000002670000-0x00000000026C3000-memory.dmp

Filesize
332KB

Download
memory/2804-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2804-29-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2804-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2804-16-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2804-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2804-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2804-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads