modiloader | df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 08:18

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General

Target

df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe
Size

90KB
MD5

2a1ae7a89d765c68a33dcbb976e50032
SHA1

0f469dc9a436ee2d74353426f61c7bd7e93ebce1
SHA256

df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d
SHA512

1cca927d492a51bb6095e5a2aa4449a82cab71006c37d9fcdc7ee285c7eb62518c1bd135524ae4b748237348166b74267d4ed1e088fef5f3eb6d97acc5ff71b9
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDc:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE36

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/2492-266-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2948	csrsll.exe
2000	csrsll.exe
2492	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1356	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe
1356	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe
1356	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe
1356	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe
1356	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.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-1-5-21-312935884-697965778-3955649944-1000\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 2692 set thread context of 1356	2692	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	31
PID 2948 set thread context of 2000	2948	csrsll.exe	36
PID 2948 set thread context of 2492	2948	csrsll.exe	37

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2692-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1356-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1356-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1356-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1356-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1356-110-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1356-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0009000000012102-135.dat	upx
behavioral1/memory/1356-156-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2948-248-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1356-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2492-257-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2948-254-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2000-263-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2492-266-0x0000000000400000-0x0000000000414000-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	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe
Token: SeDebugPrivilege	2000	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2692	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe
1356	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe
2948	csrsll.exe
2000	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 1356	2692	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	31
PID 2692 wrote to memory of 1356	2692	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	31
PID 2692 wrote to memory of 1356	2692	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	31
PID 2692 wrote to memory of 1356	2692	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	31
PID 2692 wrote to memory of 1356	2692	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	31
PID 2692 wrote to memory of 1356	2692	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	31
PID 2692 wrote to memory of 1356	2692	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	31
PID 2692 wrote to memory of 1356	2692	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	31
PID 1356 wrote to memory of 472	1356	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	32
PID 1356 wrote to memory of 472	1356	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	32
PID 1356 wrote to memory of 472	1356	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	32
PID 1356 wrote to memory of 472	1356	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	32
PID 472 wrote to memory of 2868	472	cmd.exe	34
PID 472 wrote to memory of 2868	472	cmd.exe	34
PID 472 wrote to memory of 2868	472	cmd.exe	34
PID 472 wrote to memory of 2868	472	cmd.exe	34
PID 1356 wrote to memory of 2948	1356	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	35
PID 1356 wrote to memory of 2948	1356	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	35
PID 1356 wrote to memory of 2948	1356	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	35
PID 1356 wrote to memory of 2948	1356	df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe	35
PID 2948 wrote to memory of 2000	2948	csrsll.exe	36
PID 2948 wrote to memory of 2000	2948	csrsll.exe	36
PID 2948 wrote to memory of 2000	2948	csrsll.exe	36
PID 2948 wrote to memory of 2000	2948	csrsll.exe	36
PID 2948 wrote to memory of 2000	2948	csrsll.exe	36
PID 2948 wrote to memory of 2000	2948	csrsll.exe	36
PID 2948 wrote to memory of 2000	2948	csrsll.exe	36
PID 2948 wrote to memory of 2000	2948	csrsll.exe	36
PID 2948 wrote to memory of 2492	2948	csrsll.exe	37
PID 2948 wrote to memory of 2492	2948	csrsll.exe	37
PID 2948 wrote to memory of 2492	2948	csrsll.exe	37
PID 2948 wrote to memory of 2492	2948	csrsll.exe	37
PID 2948 wrote to memory of 2492	2948	csrsll.exe	37
PID 2948 wrote to memory of 2492	2948	csrsll.exe	37
PID 2948 wrote to memory of 2492	2948	csrsll.exe	37
PID 2948 wrote to memory of 2492	2948	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe
"C:\Users\Admin\AppData\Local\Temp\df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Users\Admin\AppData\Local\Temp\df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe
  "C:\Users\Admin\AppData\Local\Temp\df9a39d561b39730b10026de1e4551c85827ce1e2d163a92d1a062ebef405b2d.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1356
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\CXUTX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:472
  - - 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:2868
- - 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:2000
  - - 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:2492

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\CXUTX.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
25ea454d819fc3599b7af873f5078cbf

SHA1
6c44e7c77a1a593899af6441dbb703a4216bbcee

SHA256
a5107edba5c80c58c3f426e9d86095efe1f9484c0390ccc579e5c358148c18cc

SHA512
25d12f0b7815c676dcf5d6e85357e895395c3cfca4a07fb592706cd73a3ff0ac8b047b007dbc87b6e1ade9a382add3f32327bc050ca8deceff4c3de709932cce

Download Submit
memory/1356-226-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/1356-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1356-151-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/1356-110-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1356-216-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/1356-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1356-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1356-150-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/1356-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1356-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1356-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1356-152-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/1356-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1356-222-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/1356-247-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/1356-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1356-156-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1356-149-0x0000000002710000-0x0000000002763000-memory.dmp

Filesize
332KB

Download
memory/2000-263-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2492-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2492-266-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2692-5-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2692-15-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2692-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-3-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2692-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2692-41-0x0000000001BB0000-0x0000000001BB1000-memory.dmp

Filesize
4KB

Download
memory/2692-61-0x0000000001BF0000-0x0000000001BF1000-memory.dmp

Filesize
4KB

Download
memory/2692-71-0x00000000022F0000-0x00000000022F1000-memory.dmp

Filesize
4KB

Download
memory/2692-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-80-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/2692-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-106-0x0000000002790000-0x00000000027E3000-memory.dmp

Filesize
332KB

Download
memory/2692-29-0x0000000001B90000-0x0000000001B91000-memory.dmp

Filesize
4KB

Download
memory/2948-248-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2948-180-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2948-169-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2948-254-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2948-159-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads