modiloader | a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0

Analysis

max time kernel
120s
max time network
53s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-11-2024 19:15

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General

Target

a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
Size

90KB
MD5

ad7874cf56b97175eea1e27007b33530
SHA1

981b22b4a9514e5c390d0ac75f9ff3ea1ad38276
SHA256

a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0
SHA512

2c4ee42cc0cbac468f39da16a67d2e45411c07cc077bcb69426e1988185a23798c6d4ff788ebd1308e7ac9dafcec5ba48822b73b21416c2125083f7a2fdf9944
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 family
modiloader

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/2536-264-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
3056	csrsll.exe
1500	csrsll.exe
2536	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2720	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
2720	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
2720	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
2720	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
2720	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.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-1-5-21-3692679935-4019334568-335155002-1000\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 2116 set thread context of 2720	2116	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	30
PID 3056 set thread context of 1500	3056	csrsll.exe	35
PID 3056 set thread context of 2536	3056	csrsll.exe	36

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2116-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2116-3-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2116-27-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2720-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2720-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2720-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2720-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2116-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2720-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2720-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2116-90-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000b000000012262-132.dat	upx
behavioral1/memory/2720-134-0x0000000002D30000-0x0000000002D83000-memory.dmp	upx
behavioral1/memory/3056-150-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2720-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3056-158-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3056-216-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2536-251-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/3056-257-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2720-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1500-261-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2536-264-0x0000000000400000-0x0000000000414000-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	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.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 63 IoCs

description	pid	Process
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe
Token: SeDebugPrivilege	1500	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2116	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
2720	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
3056	csrsll.exe
1500	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2720	2116	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	30
PID 2116 wrote to memory of 2720	2116	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	30
PID 2116 wrote to memory of 2720	2116	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	30
PID 2116 wrote to memory of 2720	2116	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	30
PID 2116 wrote to memory of 2720	2116	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	30
PID 2116 wrote to memory of 2720	2116	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	30
PID 2116 wrote to memory of 2720	2116	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	30
PID 2116 wrote to memory of 2720	2116	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	30
PID 2720 wrote to memory of 2420	2720	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	31
PID 2720 wrote to memory of 2420	2720	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	31
PID 2720 wrote to memory of 2420	2720	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	31
PID 2720 wrote to memory of 2420	2720	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	31
PID 2420 wrote to memory of 3024	2420	cmd.exe	33
PID 2420 wrote to memory of 3024	2420	cmd.exe	33
PID 2420 wrote to memory of 3024	2420	cmd.exe	33
PID 2420 wrote to memory of 3024	2420	cmd.exe	33
PID 2720 wrote to memory of 3056	2720	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	34
PID 2720 wrote to memory of 3056	2720	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	34
PID 2720 wrote to memory of 3056	2720	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	34
PID 2720 wrote to memory of 3056	2720	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	34
PID 3056 wrote to memory of 1500	3056	csrsll.exe	35
PID 3056 wrote to memory of 1500	3056	csrsll.exe	35
PID 3056 wrote to memory of 1500	3056	csrsll.exe	35
PID 3056 wrote to memory of 1500	3056	csrsll.exe	35
PID 3056 wrote to memory of 1500	3056	csrsll.exe	35
PID 3056 wrote to memory of 1500	3056	csrsll.exe	35
PID 3056 wrote to memory of 1500	3056	csrsll.exe	35
PID 3056 wrote to memory of 1500	3056	csrsll.exe	35
PID 3056 wrote to memory of 2536	3056	csrsll.exe	36
PID 3056 wrote to memory of 2536	3056	csrsll.exe	36
PID 3056 wrote to memory of 2536	3056	csrsll.exe	36
PID 3056 wrote to memory of 2536	3056	csrsll.exe	36
PID 3056 wrote to memory of 2536	3056	csrsll.exe	36
PID 3056 wrote to memory of 2536	3056	csrsll.exe	36
PID 3056 wrote to memory of 2536	3056	csrsll.exe	36
PID 3056 wrote to memory of 2536	3056	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
"C:\Users\Admin\AppData\Local\Temp\a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
  "C:\Users\Admin\AppData\Local\Temp\a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2720
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\MALBV.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2420
  - - 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:3024
- - 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:3056
  - - 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:1500
  - - 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:2536

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\MALBV.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d1e1d8ae9135cedb19629c6a72790e57

SHA1
19573921e177f6e7356d1c99ab5fd83d48594b44

SHA256
01502d5c1d2e8538cddc1245af8f2d37553d3b8dda2200da83673e0e4a498749

SHA512
8f89b18b92bc1ff9a2cfc8e83459bb04a0c365a755a857d31561d3aa7a848320c3e5c367e42ffaacf972b21da174e75aec0fa717dc6942175155fdc0719fccc5

Download Submit
memory/1500-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2116-72-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/2116-80-0x00000000004D0000-0x00000000004D2000-memory.dmp

Filesize
8KB

Download
memory/2116-17-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2116-27-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2116-62-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/2116-42-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2116-30-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2116-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2116-90-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2116-3-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2116-14-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2116-6-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2116-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2116-4-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2536-251-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2536-264-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2720-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-149-0x0000000002D40000-0x0000000002D93000-memory.dmp

Filesize
332KB

Download
memory/2720-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-134-0x0000000002D30000-0x0000000002D83000-memory.dmp

Filesize
332KB

Download
memory/2720-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-148-0x0000000002D40000-0x0000000002D93000-memory.dmp

Filesize
332KB

Download
memory/2720-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-155-0x0000000002D40000-0x0000000002D93000-memory.dmp

Filesize
332KB

Download
memory/2720-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-157-0x0000000002D40000-0x0000000002D93000-memory.dmp

Filesize
332KB

Download
memory/2720-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3056-158-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3056-171-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/3056-182-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/3056-257-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3056-216-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3056-161-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/3056-150-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads