modiloader | bb41eb3eb1b6c532f561aef35099137fa0c3a3f343219158427bf2bb93319fa7

Analysis

max time kernel
149s
max time network
145s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
24/05/2024, 21:32

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General

Target

88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe
Size

308KB
MD5

88a4f819fc3bf435e5c6ee9acccf70d0
SHA1

dd324d6f87424d58190c9691c354f672e361a38b
SHA256

bb41eb3eb1b6c532f561aef35099137fa0c3a3f343219158427bf2bb93319fa7
SHA512

32082881aeae6547be6fa5d844d301434cb56633719a56019ca7443b6703f0d424f807f94ec1f3fb18ef997390f1c7971ce7764855e3ade7ff44f16eee1ecfeb
SSDEEP

3072:/c3sBG7mXh7m/zZM3jAbNOM6CNtDCZFL:E3sBz0Z4Mj72F

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 2 IoCs

resource	yara_rule
behavioral1/memory/9768-147837-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/9768-147849-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
127092	csrsll.exe
9824	csrsll.exe
9768	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
24176	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe
24176	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe
24176	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe
24176	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe
24176	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/24176-73920-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/24176-73918-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/24176-73923-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/24176-73924-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/24176-73925-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/24176-126536-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/9768-147837-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/24176-147843-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/9824-147848-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/9768-147849-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\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 2052 set thread context of 24176	2052	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	28
PID 127092 set thread context of 9824	127092	csrsll.exe	33
PID 127092 set thread context of 9768	127092	csrsll.exe	34

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

description	pid	Process
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe
Token: SeDebugPrivilege	9824	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2052	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe
24176	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe
127092	csrsll.exe
9824	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 24176	2052	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	28
PID 2052 wrote to memory of 24176	2052	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	28
PID 2052 wrote to memory of 24176	2052	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	28
PID 2052 wrote to memory of 24176	2052	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	28
PID 2052 wrote to memory of 24176	2052	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	28
PID 2052 wrote to memory of 24176	2052	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	28
PID 2052 wrote to memory of 24176	2052	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	28
PID 2052 wrote to memory of 24176	2052	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	28
PID 24176 wrote to memory of 126984	24176	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	29
PID 24176 wrote to memory of 126984	24176	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	29
PID 24176 wrote to memory of 126984	24176	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	29
PID 24176 wrote to memory of 126984	24176	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	29
PID 126984 wrote to memory of 127068	126984	cmd.exe	31
PID 126984 wrote to memory of 127068	126984	cmd.exe	31
PID 126984 wrote to memory of 127068	126984	cmd.exe	31
PID 126984 wrote to memory of 127068	126984	cmd.exe	31
PID 24176 wrote to memory of 127092	24176	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	32
PID 24176 wrote to memory of 127092	24176	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	32
PID 24176 wrote to memory of 127092	24176	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	32
PID 24176 wrote to memory of 127092	24176	88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe	32
PID 127092 wrote to memory of 9824	127092	csrsll.exe	33
PID 127092 wrote to memory of 9824	127092	csrsll.exe	33
PID 127092 wrote to memory of 9824	127092	csrsll.exe	33
PID 127092 wrote to memory of 9824	127092	csrsll.exe	33
PID 127092 wrote to memory of 9824	127092	csrsll.exe	33
PID 127092 wrote to memory of 9824	127092	csrsll.exe	33
PID 127092 wrote to memory of 9824	127092	csrsll.exe	33
PID 127092 wrote to memory of 9824	127092	csrsll.exe	33
PID 127092 wrote to memory of 9768	127092	csrsll.exe	34
PID 127092 wrote to memory of 9768	127092	csrsll.exe	34
PID 127092 wrote to memory of 9768	127092	csrsll.exe	34
PID 127092 wrote to memory of 9768	127092	csrsll.exe	34
PID 127092 wrote to memory of 9768	127092	csrsll.exe	34
PID 127092 wrote to memory of 9768	127092	csrsll.exe	34
PID 127092 wrote to memory of 9768	127092	csrsll.exe	34
PID 127092 wrote to memory of 9768	127092	csrsll.exe	34

C:\Users\Admin\AppData\Local\Temp\88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Users\Admin\AppData\Local\Temp\88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\88a4f819fc3bf435e5c6ee9acccf70d0_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:24176
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\KBYMN.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:126984
  - - 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:127068
- - 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:127092
  - - 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:9824
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      PID:9768

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\KBYMN.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
308KB

MD5
bf49012d43757b288878fad7999402f2

SHA1
21856d925024dfb430175e64da507d3c071c0896

SHA256
79dff35f853ca2d833fa71e1cc62ecf545ff632c5742be6512286764998dcea3

SHA512
42edb6229e00e1074d144c8ef1994835d7f24e0b6539e1b8d829fa80f98a9d21a498745807526c8cbbf5b720f660beff41cee1e9aef10bc75849e600fab3ea2a

Download Submit
memory/2052-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2052-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/9768-147849-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/9768-147837-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/9824-147848-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/24176-73925-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/24176-73924-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/24176-73923-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/24176-73922-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/24176-126536-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/24176-73916-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/24176-147843-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/24176-73918-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/24176-73920-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/127092-73965-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads