modiloader | 91e3a2dc2423ff288266cdf883e5b72f127d7103dd3595060f1e746942ff03a8

General

Target

7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
Size

90KB
MD5

7cfbdc792551a059a783ceec41e09f90
SHA1

887baa47f80728f8f268343035ee2f9adb0ee1fb
SHA256

91e3a2dc2423ff288266cdf883e5b72f127d7103dd3595060f1e746942ff03a8
SHA512

2fa243ab7d02aa9d9bf060a110676df8a0145243275ac1bbbd6763424bedfb0affadf33b4f16e4924fe014f6ca3b3c121dea58b108339f33c4590c9dfdf00102
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

Score

10^/10

modiloader 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 Second Stage 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1896-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1896-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1896-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1896-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid process

3472 csrsll.exe
4384 csrsll.exe
1896 csrsll.exe

pid	process
3472	csrsll.exe
4384	csrsll.exe
1896	csrsll.exe

UPX packed file 18 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2364-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4632-4-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4632-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2364-7-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4632-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral2/memory/3472-33-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3472-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1896-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1896-41-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1896-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3472-50-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4384-49-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1896-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1896-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4632-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4384-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1896-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.execsrsll.exe

description	pid	process	target process
PID 2364 set thread context of 4632	2364	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
PID 3472 set thread context of 4384	3472	csrsll.exe	csrsll.exe
PID 3472 set thread context of 1896	3472	csrsll.exe	csrsll.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

csrsll.exe

description	pid	process
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe
Token: SeDebugPrivilege	4384	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.execsrsll.execsrsll.exe

pid process

2364 7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
4632 7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
3472 csrsll.exe
4384 csrsll.exe

pid	process
2364	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
4632	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
3472	csrsll.exe
4384	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.execmd.execsrsll.exe

description	pid	process	target process
PID 2364 wrote to memory of 4632	2364	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
PID 2364 wrote to memory of 4632	2364	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
PID 2364 wrote to memory of 4632	2364	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
PID 2364 wrote to memory of 4632	2364	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
PID 2364 wrote to memory of 4632	2364	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
PID 2364 wrote to memory of 4632	2364	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
PID 2364 wrote to memory of 4632	2364	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
PID 2364 wrote to memory of 4632	2364	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
PID 4632 wrote to memory of 4512	4632	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	cmd.exe
PID 4632 wrote to memory of 4512	4632	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	cmd.exe
PID 4632 wrote to memory of 4512	4632	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	cmd.exe
PID 4512 wrote to memory of 4980	4512	cmd.exe	reg.exe
PID 4512 wrote to memory of 4980	4512	cmd.exe	reg.exe
PID 4512 wrote to memory of 4980	4512	cmd.exe	reg.exe
PID 4632 wrote to memory of 3472	4632	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	csrsll.exe
PID 4632 wrote to memory of 3472	4632	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	csrsll.exe
PID 4632 wrote to memory of 3472	4632	7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe	csrsll.exe
PID 3472 wrote to memory of 4384	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 4384	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 4384	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 4384	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 4384	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 4384	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 4384	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 4384	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 1896	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 1896	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 1896	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 1896	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 1896	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 1896	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 1896	3472	csrsll.exe	csrsll.exe
PID 3472 wrote to memory of 1896	3472	csrsll.exe	csrsll.exe

C:\Users\Admin\AppData\Local\Temp\7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\7cfbdc792551a059a783ceec41e09f90_NeikiAnalytics.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4632
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RDLDU.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4512
  - - 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
      PID:4980
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3472
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4384
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      PID:1896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RDLDU.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
f5f16bed4e36268e530a0a81632cea65

SHA1
99c2d4a9fcc6b08f89fbc269ebfa1912bdc7af1f

SHA256
33354d98ed81377f36c71801c9db99b7e8a3241d052cd27ebe98abf388a79b02

SHA512
53b9d365843d66ac4d9a2401f569c9a9e6031dcbb7e142c6e69c9f728e21a16a9c493b44817440dfcf603852b1f3e7ce3385a34dca5e6b712ef9f130eca70c7b

Download Submit
memory/1896-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1896-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1896-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1896-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1896-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1896-41-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2364-3-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/2364-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2364-7-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3472-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3472-33-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3472-50-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4384-49-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4384-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4632-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4632-4-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4632-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4632-56-0x0000000000400000-0x000000000040B000-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