modiloader | f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161f

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 10:20

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General

Target

f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe
Size

90KB
MD5

c1b9606a344357a582942c34b08fde20
SHA1

a83b4cf7eea44767fe2d96158b390c127028fd78
SHA256

f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161f
SHA512

a6c3aa8a18dc6458cbc1714f563a7d4c03419f6d7a1f5d8d9b651787bdce94b1542cc50a72a64d122a18c552b9fbb2d54c67338d4a9f7384bfb284d503b7162f
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDB: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 1 IoCs

resource	yara_rule
behavioral1/memory/2160-259-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1212	csrsll.exe
1744	csrsll.exe
2160	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2944	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe
2944	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe
2944	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe
2944	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe
2944	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1228-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1228-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1228-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2944-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2944-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2944-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2944-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2944-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1228-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2944-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00090000000120f6-131.dat	upx
behavioral1/memory/2944-133-0x0000000003130000-0x0000000003183000-memory.dmp	upx
behavioral1/memory/1212-149-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2944-147-0x0000000003130000-0x0000000003183000-memory.dmp	upx
behavioral1/memory/2944-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1212-216-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2160-245-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1744-239-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2944-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1212-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1744-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2160-259-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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 1228 set thread context of 2944	1228	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	30
PID 1212 set thread context of 1744	1212	csrsll.exe	35
PID 1212 set thread context of 2160	1212	csrsll.exe	36

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	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.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	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe
Token: SeDebugPrivilege	1744	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1228	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe
2944	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe
1212	csrsll.exe
1744	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 2944	1228	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	30
PID 1228 wrote to memory of 2944	1228	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	30
PID 1228 wrote to memory of 2944	1228	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	30
PID 1228 wrote to memory of 2944	1228	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	30
PID 1228 wrote to memory of 2944	1228	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	30
PID 1228 wrote to memory of 2944	1228	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	30
PID 1228 wrote to memory of 2944	1228	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	30
PID 1228 wrote to memory of 2944	1228	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	30
PID 2944 wrote to memory of 1936	2944	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	31
PID 2944 wrote to memory of 1936	2944	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	31
PID 2944 wrote to memory of 1936	2944	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	31
PID 2944 wrote to memory of 1936	2944	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	31
PID 1936 wrote to memory of 1864	1936	cmd.exe	33
PID 1936 wrote to memory of 1864	1936	cmd.exe	33
PID 1936 wrote to memory of 1864	1936	cmd.exe	33
PID 1936 wrote to memory of 1864	1936	cmd.exe	33
PID 2944 wrote to memory of 1212	2944	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	34
PID 2944 wrote to memory of 1212	2944	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	34
PID 2944 wrote to memory of 1212	2944	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	34
PID 2944 wrote to memory of 1212	2944	f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe	34
PID 1212 wrote to memory of 1744	1212	csrsll.exe	35
PID 1212 wrote to memory of 1744	1212	csrsll.exe	35
PID 1212 wrote to memory of 1744	1212	csrsll.exe	35
PID 1212 wrote to memory of 1744	1212	csrsll.exe	35
PID 1212 wrote to memory of 1744	1212	csrsll.exe	35
PID 1212 wrote to memory of 1744	1212	csrsll.exe	35
PID 1212 wrote to memory of 1744	1212	csrsll.exe	35
PID 1212 wrote to memory of 1744	1212	csrsll.exe	35
PID 1212 wrote to memory of 2160	1212	csrsll.exe	36
PID 1212 wrote to memory of 2160	1212	csrsll.exe	36
PID 1212 wrote to memory of 2160	1212	csrsll.exe	36
PID 1212 wrote to memory of 2160	1212	csrsll.exe	36
PID 1212 wrote to memory of 2160	1212	csrsll.exe	36
PID 1212 wrote to memory of 2160	1212	csrsll.exe	36
PID 1212 wrote to memory of 2160	1212	csrsll.exe	36
PID 1212 wrote to memory of 2160	1212	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe
"C:\Users\Admin\AppData\Local\Temp\f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Users\Admin\AppData\Local\Temp\f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe
  "C:\Users\Admin\AppData\Local\Temp\f7026ba301130a739cabdc7801a2e9f529535e53c91c35950d0988530b32161fN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2944
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\EYCNL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1936
  - - 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:1864
- - 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:1212
  - - 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:1744
  - - 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:2160

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

Replay Monitor

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9712e439364e36ee1197501c86aad3ad

SHA1
5a25bacce2e2ead8218cfad386cf73cd41a7737b

SHA256
1ed9e2cb253dc46ce391a460cac73dff9b2c340202bec2c72a15e659c90e0628

SHA512
0ef5b8c26295fb286eb75aa0efc89fdb1ea8ca10cc3dd1efcceadd01271b5a66fb4d5b167b135447cf36c579e5efe26144028b95521118ed4acf3ff4d0921887

Download Submit
memory/1212-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1212-149-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1212-176-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1212-216-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1212-165-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1212-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1228-71-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1228-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1228-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1228-79-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/1228-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1228-61-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1228-5-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1228-29-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1228-16-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1228-13-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1228-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1228-41-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1228-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1228-96-0x0000000002500000-0x0000000002553000-memory.dmp

Filesize
332KB

Download
memory/1744-239-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1744-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-245-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2160-259-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2944-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-147-0x0000000003130000-0x0000000003183000-memory.dmp

Filesize
332KB

Download
memory/2944-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-148-0x0000000003130000-0x0000000003183000-memory.dmp

Filesize
332KB

Download
memory/2944-133-0x0000000003130000-0x0000000003183000-memory.dmp

Filesize
332KB

Download
memory/2944-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2944-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads