modiloader | 5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2d

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 06:22

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General

Target

5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe
Size

300KB
MD5

ee38c84846b7879343441e513c0f3bf0
SHA1

108abd870cbdb9eeb60153c16b201bfc6e55e301
SHA256

5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2d
SHA512

100dcc2a8053069b46ce1681ca78309662c3a0491989af0dd02b7197f6484388f5db5532515263ec9451a4f2b88b04e8679f96044d42e5bb1141010cac4d68fe
SSDEEP

3072:Ue2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38Gz:UsxD5cwohO+O1sVG0/pZ6iPC89

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 2 IoCs

resource	yara_rule
behavioral1/memory/1804-247-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1804-252-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2012	csrsll.exe
3032	csrsll.exe
1804	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2160	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe
2160	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe
2160	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe
2160	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe
2160	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.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 3012 set thread context of 2160	3012	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	30
PID 2012 set thread context of 3032	2012	csrsll.exe	36
PID 2012 set thread context of 1804	2012	csrsll.exe	37

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2160-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2160-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2160-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2160-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2160-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2160-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1804-247-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/3032-246-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2160-245-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2160-250-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3032-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1804-252-0x0000000000400000-0x0000000000414000-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	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe
Token: SeDebugPrivilege	3032	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3012	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe
2160	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe
2012	csrsll.exe
3032	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2160	3012	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	30
PID 3012 wrote to memory of 2160	3012	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	30
PID 3012 wrote to memory of 2160	3012	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	30
PID 3012 wrote to memory of 2160	3012	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	30
PID 3012 wrote to memory of 2160	3012	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	30
PID 3012 wrote to memory of 2160	3012	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	30
PID 3012 wrote to memory of 2160	3012	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	30
PID 3012 wrote to memory of 2160	3012	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	30
PID 2160 wrote to memory of 1324	2160	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	31
PID 2160 wrote to memory of 1324	2160	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	31
PID 2160 wrote to memory of 1324	2160	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	31
PID 2160 wrote to memory of 1324	2160	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	31
PID 1324 wrote to memory of 1948	1324	cmd.exe	33
PID 1324 wrote to memory of 1948	1324	cmd.exe	33
PID 1324 wrote to memory of 1948	1324	cmd.exe	33
PID 1324 wrote to memory of 1948	1324	cmd.exe	33
PID 2160 wrote to memory of 2012	2160	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	34
PID 2160 wrote to memory of 2012	2160	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	34
PID 2160 wrote to memory of 2012	2160	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	34
PID 2160 wrote to memory of 2012	2160	5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe	34
PID 2012 wrote to memory of 3032	2012	csrsll.exe	36
PID 2012 wrote to memory of 3032	2012	csrsll.exe	36
PID 2012 wrote to memory of 3032	2012	csrsll.exe	36
PID 2012 wrote to memory of 3032	2012	csrsll.exe	36
PID 2012 wrote to memory of 3032	2012	csrsll.exe	36
PID 2012 wrote to memory of 3032	2012	csrsll.exe	36
PID 2012 wrote to memory of 3032	2012	csrsll.exe	36
PID 2012 wrote to memory of 3032	2012	csrsll.exe	36
PID 2012 wrote to memory of 1804	2012	csrsll.exe	37
PID 2012 wrote to memory of 1804	2012	csrsll.exe	37
PID 2012 wrote to memory of 1804	2012	csrsll.exe	37
PID 2012 wrote to memory of 1804	2012	csrsll.exe	37
PID 2012 wrote to memory of 1804	2012	csrsll.exe	37
PID 2012 wrote to memory of 1804	2012	csrsll.exe	37
PID 2012 wrote to memory of 1804	2012	csrsll.exe	37
PID 2012 wrote to memory of 1804	2012	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe
"C:\Users\Admin\AppData\Local\Temp\5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe
  "C:\Users\Admin\AppData\Local\Temp\5abef6f2420e40fe7fe49532471762768a00de6c7bf07f3797fe95757fbe3a2dN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\UYKLI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1324
  - - 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:1948
- - 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:2012
  - - 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:3032
  - - 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:1804

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\UYKLI.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
300KB

MD5
b086fef5a4ab88f9919e16817344acc7

SHA1
75ff7bcc75a157c2f874fc6c70dd7e70bbed6bd6

SHA256
83c31ddb9e59b63b66419de5536c9a853ac1814d96c1fd2c987668f1f0f4e451

SHA512
22f508ca6d302290a03bdf78046e90d621c4c7d3a6f94dd0bb0a411b66548dae45f68c31bbfac265734c16a96cde490f4072d4eabc133ac41f987aa1e51c40eb

Download Submit
memory/1804-252-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1804-247-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2012-171-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2012-159-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2012-149-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2160-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2160-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-250-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-245-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2160-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3012-85-0x0000000002580000-0x0000000002582000-memory.dmp

Filesize
8KB

Download
memory/3012-5-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/3012-39-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/3012-77-0x0000000000890000-0x0000000000892000-memory.dmp

Filesize
8KB

Download
memory/3012-79-0x0000000000890000-0x0000000000892000-memory.dmp

Filesize
8KB

Download
memory/3012-84-0x00000000008A0000-0x00000000008A2000-memory.dmp

Filesize
8KB

Download
memory/3012-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3012-27-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/3012-96-0x0000000002590000-0x0000000002592000-memory.dmp

Filesize
8KB

Download
memory/3012-15-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/3012-3-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/3012-59-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download
memory/3012-69-0x0000000000860000-0x0000000000861000-memory.dmp

Filesize
4KB

Download
memory/3032-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3032-246-0x0000000000400000-0x000000000040B000-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