modiloader | 9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32

Analysis

max time kernel
119s
max time network
19s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 16:41

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General

Target

9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
Size

90KB
MD5

214d586dd1aad382293808c63ab29a40
SHA1

34ec9b8fb331cc2423849197f21fd858ca2c30f5
SHA256

9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32
SHA512

bd0c1fabeda5ce376ddadaa0ba4b3bd095d84e75b08b7abd6863d18734047e1ab2764b1bacc7cbb6915fce0889b8e00dd5824b4eab63046cac973f0c6bffea4e
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDR:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3T

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/564-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1984	csrsll.exe
1724	csrsll.exe
564	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2988	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
2988	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
2988	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
2988	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
2988	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.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 376 set thread context of 2988	376	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	30
PID 1984 set thread context of 1724	1984	csrsll.exe	35
PID 1984 set thread context of 564	1984	csrsll.exe	36

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/376-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/376-91-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2988-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2988-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/376-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2988-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2988-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/376-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/376-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/376-73-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2988-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2988-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000c00000001225e-132.dat	upx
behavioral1/memory/2988-134-0x0000000003220000-0x0000000003273000-memory.dmp	upx
behavioral1/memory/2988-149-0x0000000003220000-0x0000000003273000-memory.dmp	upx
behavioral1/memory/2988-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1984-213-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1984-249-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2988-253-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/564-250-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1724-240-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1724-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/564-260-0x0000000000400000-0x0000000000414000-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	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.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	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe
Token: SeDebugPrivilege	1724	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
376	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
2988	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
1984	csrsll.exe
1724	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 376 wrote to memory of 2988	376	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	30
PID 376 wrote to memory of 2988	376	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	30
PID 376 wrote to memory of 2988	376	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	30
PID 376 wrote to memory of 2988	376	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	30
PID 376 wrote to memory of 2988	376	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	30
PID 376 wrote to memory of 2988	376	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	30
PID 376 wrote to memory of 2988	376	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	30
PID 376 wrote to memory of 2988	376	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	30
PID 2988 wrote to memory of 2288	2988	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	31
PID 2988 wrote to memory of 2288	2988	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	31
PID 2988 wrote to memory of 2288	2988	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	31
PID 2988 wrote to memory of 2288	2988	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	31
PID 2288 wrote to memory of 1952	2288	cmd.exe	33
PID 2288 wrote to memory of 1952	2288	cmd.exe	33
PID 2288 wrote to memory of 1952	2288	cmd.exe	33
PID 2288 wrote to memory of 1952	2288	cmd.exe	33
PID 2988 wrote to memory of 1984	2988	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	34
PID 2988 wrote to memory of 1984	2988	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	34
PID 2988 wrote to memory of 1984	2988	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	34
PID 2988 wrote to memory of 1984	2988	9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe	34
PID 1984 wrote to memory of 1724	1984	csrsll.exe	35
PID 1984 wrote to memory of 1724	1984	csrsll.exe	35
PID 1984 wrote to memory of 1724	1984	csrsll.exe	35
PID 1984 wrote to memory of 1724	1984	csrsll.exe	35
PID 1984 wrote to memory of 1724	1984	csrsll.exe	35
PID 1984 wrote to memory of 1724	1984	csrsll.exe	35
PID 1984 wrote to memory of 1724	1984	csrsll.exe	35
PID 1984 wrote to memory of 1724	1984	csrsll.exe	35
PID 1984 wrote to memory of 564	1984	csrsll.exe	36
PID 1984 wrote to memory of 564	1984	csrsll.exe	36
PID 1984 wrote to memory of 564	1984	csrsll.exe	36
PID 1984 wrote to memory of 564	1984	csrsll.exe	36
PID 1984 wrote to memory of 564	1984	csrsll.exe	36
PID 1984 wrote to memory of 564	1984	csrsll.exe	36
PID 1984 wrote to memory of 564	1984	csrsll.exe	36
PID 1984 wrote to memory of 564	1984	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
"C:\Users\Admin\AppData\Local\Temp\9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:376
- C:\Users\Admin\AppData\Local\Temp\9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe
  "C:\Users\Admin\AppData\Local\Temp\9ce1c43cee639a5af2b7d7ef08c5b133f50807b631e6f8391312ba3983942a32N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\DGRTO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2288
  - - 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:1952
- - 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:1984
  - - 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:1724
  - - 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:564

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\DGRTO.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d4d8e43ccacd78af4c1e3db3b4baeea3

SHA1
5ccb26a88338870605bb3fd796b421176180e4fa

SHA256
f6e35bc8dfd992ade266f2f1d669cecb0890d39f29528d7f8af7c26a08f3bc68

SHA512
55aaaa0ec51d1a9b711eea67c2b629764a2b79d82863ba1ac5aa8248c8c468e6bf7238f64b26ac749bb82711e100f92c6b1d06efb195dc3d86ffdc2e677fdd18

Download Submit
memory/376-73-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/376-28-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/376-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/376-40-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/376-21-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/376-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/376-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/376-60-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/376-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/376-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/376-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/376-80-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/376-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/376-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/376-70-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/564-250-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/564-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1724-240-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1724-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1984-156-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1984-213-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1984-249-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1984-166-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1984-177-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2988-149-0x0000000003220000-0x0000000003273000-memory.dmp

Filesize
332KB

Download
memory/2988-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2988-147-0x0000000003220000-0x0000000003273000-memory.dmp

Filesize
332KB

Download
memory/2988-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2988-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2988-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2988-134-0x0000000003220000-0x0000000003273000-memory.dmp

Filesize
332KB

Download
memory/2988-148-0x0000000003220000-0x0000000003273000-memory.dmp

Filesize
332KB

Download
memory/2988-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2988-253-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2988-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2988-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2988-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2988-100-0x0000000000400000-0x000000000040B000-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