modiloader | c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 10:11

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General

Target

c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe
Size

90KB
MD5

0c0b09a134878f289c0920a334554100
SHA1

00c21732c76cc1f7f9f8c6ba04e7577020bb673a
SHA256

c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9
SHA512

8d663e581ab82661717be1d3ee383580ca6603579c43a200e93831ab02b48725ca6d46e37d4a702fe161671b155cee7d018518c1bad5e902085b7123a36410aa
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 Second Stage 2 IoCs

resource	yara_rule
behavioral1/memory/2556-249-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2556-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2948	csrsll.exe
1332	csrsll.exe
2556	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2620	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe
2620	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe
2620	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe
2620	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe
2620	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.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-1-5-21-2703099537-420551529-3771253338-1000\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 2684 set thread context of 2620	2684	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	31
PID 2948 set thread context of 1332	2948	csrsll.exe	36
PID 2948 set thread context of 2556	2948	csrsll.exe	37

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2684-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2684-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2684-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2620-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2620-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2620-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2620-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2620-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2620-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2684-107-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2620-134-0x0000000003340000-0x0000000003393000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-132.dat	upx
behavioral1/memory/2620-147-0x0000000003340000-0x0000000003393000-memory.dmp	upx
behavioral1/memory/2620-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2948-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2556-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2620-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2948-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1332-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2556-260-0x0000000000400000-0x0000000000414000-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	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.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	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe
Token: SeDebugPrivilege	1332	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2684	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe
2620	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe
2948	csrsll.exe
1332	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2620	2684	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	31
PID 2684 wrote to memory of 2620	2684	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	31
PID 2684 wrote to memory of 2620	2684	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	31
PID 2684 wrote to memory of 2620	2684	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	31
PID 2684 wrote to memory of 2620	2684	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	31
PID 2684 wrote to memory of 2620	2684	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	31
PID 2684 wrote to memory of 2620	2684	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	31
PID 2684 wrote to memory of 2620	2684	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	31
PID 2620 wrote to memory of 2980	2620	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	32
PID 2620 wrote to memory of 2980	2620	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	32
PID 2620 wrote to memory of 2980	2620	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	32
PID 2620 wrote to memory of 2980	2620	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	32
PID 2980 wrote to memory of 2920	2980	cmd.exe	34
PID 2980 wrote to memory of 2920	2980	cmd.exe	34
PID 2980 wrote to memory of 2920	2980	cmd.exe	34
PID 2980 wrote to memory of 2920	2980	cmd.exe	34
PID 2620 wrote to memory of 2948	2620	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	35
PID 2620 wrote to memory of 2948	2620	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	35
PID 2620 wrote to memory of 2948	2620	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	35
PID 2620 wrote to memory of 2948	2620	c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe	35
PID 2948 wrote to memory of 1332	2948	csrsll.exe	36
PID 2948 wrote to memory of 1332	2948	csrsll.exe	36
PID 2948 wrote to memory of 1332	2948	csrsll.exe	36
PID 2948 wrote to memory of 1332	2948	csrsll.exe	36
PID 2948 wrote to memory of 1332	2948	csrsll.exe	36
PID 2948 wrote to memory of 1332	2948	csrsll.exe	36
PID 2948 wrote to memory of 1332	2948	csrsll.exe	36
PID 2948 wrote to memory of 1332	2948	csrsll.exe	36
PID 2948 wrote to memory of 2556	2948	csrsll.exe	37
PID 2948 wrote to memory of 2556	2948	csrsll.exe	37
PID 2948 wrote to memory of 2556	2948	csrsll.exe	37
PID 2948 wrote to memory of 2556	2948	csrsll.exe	37
PID 2948 wrote to memory of 2556	2948	csrsll.exe	37
PID 2948 wrote to memory of 2556	2948	csrsll.exe	37
PID 2948 wrote to memory of 2556	2948	csrsll.exe	37
PID 2948 wrote to memory of 2556	2948	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe
"C:\Users\Admin\AppData\Local\Temp\c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Users\Admin\AppData\Local\Temp\c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe
  "C:\Users\Admin\AppData\Local\Temp\c87276528f6fb731240978547e69f8407a113a0c68f950ef25f30b98e2ac5ab9N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2620
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\LGLYH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2980
  - - 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:2920
- - 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:2948
  - - 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:1332
  - - 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:2556

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\LGLYH.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
5b1504302042475a681e170f77f3003a

SHA1
ea676e73a62a02b6bb9d0ccf099730e91638cb15

SHA256
1b2a16a3db506c6a0a32c950a8d881c813fb789deabc3f5bf0714e4cfa9b9295

SHA512
906eac0ad0ab1641207200e39742283d2ca908573aea4991016e3d66093fce36398d61485744f655604b1435e8e7cba0fc7dd66f83a81a6eb2a7f1fe725091fa

Download Submit
memory/1332-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2556-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2556-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2620-147-0x0000000003340000-0x0000000003393000-memory.dmp

Filesize
332KB

Download
memory/2620-134-0x0000000003340000-0x0000000003393000-memory.dmp

Filesize
332KB

Download
memory/2620-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-213-0x0000000003340000-0x0000000003393000-memory.dmp

Filesize
332KB

Download
memory/2620-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-148-0x0000000003340000-0x0000000003393000-memory.dmp

Filesize
332KB

Download
memory/2620-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2620-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-149-0x0000000003340000-0x0000000003393000-memory.dmp

Filesize
332KB

Download
memory/2684-41-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2684-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2684-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2684-62-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2684-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2684-71-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2684-101-0x0000000002750000-0x00000000027A3000-memory.dmp

Filesize
332KB

Download
memory/2684-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2684-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2684-107-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2684-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2684-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2684-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/2684-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2948-156-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2948-166-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2948-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2948-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2948-177-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads