modiloader | 244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/12/2024, 04:37

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General

Target

244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
Size

90KB
MD5

cab3825d64471ab7ed54d34f9b9f9970
SHA1

e20c6b00303fd28d0ba696269c77ef46e058ed34
SHA256

244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3
SHA512

501b3bc4442a2f3bfc63aeaa57b05b47ec7afc639ee8acd7266300d9290d06d428e1bb79c392002d185fb9527e11793470981136801cdfcc30020adcb25a5151
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDj:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3N

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/820-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2652	csrsll.exe
944	csrsll.exe
820	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2980	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
2980	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
2980	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
2980	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
2980	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.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-1-5-21-3290804112-2823094203-3137964600-1000\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 2112 set thread context of 2980	2112	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	30
PID 2652 set thread context of 944	2652	csrsll.exe	35
PID 2652 set thread context of 820	2652	csrsll.exe	36

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2112-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2112-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2980-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2980-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2112-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2980-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2980-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2980-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2980-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2112-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0008000000012117-131.dat	upx
behavioral1/memory/2652-149-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2980-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/820-246-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2652-249-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2980-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2652-171-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/944-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/820-260-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2112	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
2980	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
2652	csrsll.exe
944	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2980	2112	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	30
PID 2112 wrote to memory of 2980	2112	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	30
PID 2112 wrote to memory of 2980	2112	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	30
PID 2112 wrote to memory of 2980	2112	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	30
PID 2112 wrote to memory of 2980	2112	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	30
PID 2112 wrote to memory of 2980	2112	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	30
PID 2112 wrote to memory of 2980	2112	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	30
PID 2112 wrote to memory of 2980	2112	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	30
PID 2980 wrote to memory of 1816	2980	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	31
PID 2980 wrote to memory of 1816	2980	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	31
PID 2980 wrote to memory of 1816	2980	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	31
PID 2980 wrote to memory of 1816	2980	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	31
PID 1816 wrote to memory of 552	1816	cmd.exe	33
PID 1816 wrote to memory of 552	1816	cmd.exe	33
PID 1816 wrote to memory of 552	1816	cmd.exe	33
PID 1816 wrote to memory of 552	1816	cmd.exe	33
PID 2980 wrote to memory of 2652	2980	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	34
PID 2980 wrote to memory of 2652	2980	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	34
PID 2980 wrote to memory of 2652	2980	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	34
PID 2980 wrote to memory of 2652	2980	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	34
PID 2652 wrote to memory of 944	2652	csrsll.exe	35
PID 2652 wrote to memory of 944	2652	csrsll.exe	35
PID 2652 wrote to memory of 944	2652	csrsll.exe	35
PID 2652 wrote to memory of 944	2652	csrsll.exe	35
PID 2652 wrote to memory of 944	2652	csrsll.exe	35
PID 2652 wrote to memory of 944	2652	csrsll.exe	35
PID 2652 wrote to memory of 944	2652	csrsll.exe	35
PID 2652 wrote to memory of 944	2652	csrsll.exe	35
PID 2652 wrote to memory of 820	2652	csrsll.exe	36
PID 2652 wrote to memory of 820	2652	csrsll.exe	36
PID 2652 wrote to memory of 820	2652	csrsll.exe	36
PID 2652 wrote to memory of 820	2652	csrsll.exe	36
PID 2652 wrote to memory of 820	2652	csrsll.exe	36
PID 2652 wrote to memory of 820	2652	csrsll.exe	36
PID 2652 wrote to memory of 820	2652	csrsll.exe	36
PID 2652 wrote to memory of 820	2652	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
"C:\Users\Admin\AppData\Local\Temp\244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
  "C:\Users\Admin\AppData\Local\Temp\244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\REGBC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1816
  - - 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:552
- - 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:2652
  - - 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:944
  - - 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:820

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\REGBC.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
6100d48f6a74adfbc140304ddd8bccf9

SHA1
c6636e098ca04b0213278d10d8b51ab9512cc528

SHA256
d59e18d9bafb54e2844bde06fcf8ef8fa6aab604a623a5f1f0a8dc41eb5e83db

SHA512
b61e6600861186ec92634f3aa33b8354bbbea725f3921667e8422403edcae1ab11d5c2fecb01a57f1fc61af2d250e6e8a2f74a9c06831e88220c28139415cbb4

Download Submit
memory/820-246-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/820-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/944-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2112-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2112-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2112-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2112-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2112-15-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2112-79-0x00000000004F0000-0x00000000004F2000-memory.dmp

Filesize
8KB

Download
memory/2112-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2112-71-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/2112-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2112-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2112-90-0x0000000001D00000-0x0000000001D53000-memory.dmp

Filesize
332KB

Download
memory/2112-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2112-29-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/2112-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2652-165-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2652-149-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2652-171-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2652-177-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2652-249-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2652-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2980-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-146-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2980-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-145-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2980-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2980-147-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2980-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-245-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2980-234-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2980-233-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2980-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads