modiloader | 27fb2a53bcdf943b584e618c52e0e76ed6540c767ea4fc7c3af5d5c3e1701c73

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/05/2024, 21:51

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General

Target

405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe
Size

90KB
MD5

405b3f689c9476b0f1ae2399df15a2b0
SHA1

41b4b007b170136c2cf9493caf68dfdd34ff69fe
SHA256

27fb2a53bcdf943b584e618c52e0e76ed6540c767ea4fc7c3af5d5c3e1701c73
SHA512

b1636aebc139fed0f1585bb77d2e1a36edde7189e305ce130858599c4109214305726f7410a2aec55d81658e69d166b96d6a06e300f81bff3e2bd2865662eaf5
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 1 IoCs

resource	yara_rule
behavioral1/memory/1476-249-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1660	csrsll.exe
1704	csrsll.exe
1476	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1984	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe
1984	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe
1984	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe
1984	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe
1984	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2476-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2476-78-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2476-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2476-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2476-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2476-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1984-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1984-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1984-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1984-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1984-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2476-105-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1984-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000c000000015bb9-134.dat	upx
behavioral1/memory/1660-152-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1984-149-0x00000000034C0000-0x0000000003513000-memory.dmp	upx
behavioral1/memory/1660-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1476-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1660-253-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1984-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1704-261-0x0000000000400000-0x000000000040B000-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-1-5-21-2297530677-1229052932-2803917579-1000\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 2476 set thread context of 1984	2476	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	28
PID 1660 set thread context of 1704	1660	csrsll.exe	33
PID 1660 set thread context of 1476	1660	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	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe
Token: SeDebugPrivilege	1704	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2476	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe
1984	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe
1660	csrsll.exe
1704	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 1984	2476	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	28
PID 2476 wrote to memory of 1984	2476	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	28
PID 2476 wrote to memory of 1984	2476	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	28
PID 2476 wrote to memory of 1984	2476	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	28
PID 2476 wrote to memory of 1984	2476	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	28
PID 2476 wrote to memory of 1984	2476	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	28
PID 2476 wrote to memory of 1984	2476	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	28
PID 2476 wrote to memory of 1984	2476	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	28
PID 1984 wrote to memory of 1304	1984	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	29
PID 1984 wrote to memory of 1304	1984	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	29
PID 1984 wrote to memory of 1304	1984	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	29
PID 1984 wrote to memory of 1304	1984	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	29
PID 1304 wrote to memory of 1604	1304	cmd.exe	31
PID 1304 wrote to memory of 1604	1304	cmd.exe	31
PID 1304 wrote to memory of 1604	1304	cmd.exe	31
PID 1304 wrote to memory of 1604	1304	cmd.exe	31
PID 1984 wrote to memory of 1660	1984	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	32
PID 1984 wrote to memory of 1660	1984	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	32
PID 1984 wrote to memory of 1660	1984	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	32
PID 1984 wrote to memory of 1660	1984	405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe	32
PID 1660 wrote to memory of 1704	1660	csrsll.exe	33
PID 1660 wrote to memory of 1704	1660	csrsll.exe	33
PID 1660 wrote to memory of 1704	1660	csrsll.exe	33
PID 1660 wrote to memory of 1704	1660	csrsll.exe	33
PID 1660 wrote to memory of 1704	1660	csrsll.exe	33
PID 1660 wrote to memory of 1704	1660	csrsll.exe	33
PID 1660 wrote to memory of 1704	1660	csrsll.exe	33
PID 1660 wrote to memory of 1704	1660	csrsll.exe	33
PID 1660 wrote to memory of 1476	1660	csrsll.exe	34
PID 1660 wrote to memory of 1476	1660	csrsll.exe	34
PID 1660 wrote to memory of 1476	1660	csrsll.exe	34
PID 1660 wrote to memory of 1476	1660	csrsll.exe	34
PID 1660 wrote to memory of 1476	1660	csrsll.exe	34
PID 1660 wrote to memory of 1476	1660	csrsll.exe	34
PID 1660 wrote to memory of 1476	1660	csrsll.exe	34
PID 1660 wrote to memory of 1476	1660	csrsll.exe	34

C:\Users\Admin\AppData\Local\Temp\405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Users\Admin\AppData\Local\Temp\405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\405b3f689c9476b0f1ae2399df15a2b0_NeikiAnalytics.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\BCXTO.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1304
  - - 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:1604
- - 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:1660
  - - 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:1704
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      PID:1476

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\BCXTO.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a7efa73260c310a8203805b1644e2883

SHA1
c030d853aba2e8e7d03f2a46e2c8ad8f2775218a

SHA256
0c77ec679a8a8421b20169b764318d3525d6bf6301864a051974fc8d06aca204

SHA512
a106adf05ac25a34dbcda1fd428571b2e46033479dd0d6098393efc21d46c18e8c3ed42317b431779213924c9bc1e166a72671fd9d384a4b54f1a71240f7e21b

Download Submit
memory/1476-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1660-253-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1660-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1660-167-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1660-178-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1660-158-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1660-152-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1704-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1984-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1984-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1984-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1984-149-0x00000000034C0000-0x0000000003513000-memory.dmp

Filesize
332KB

Download
memory/1984-150-0x00000000034C0000-0x0000000003513000-memory.dmp

Filesize
332KB

Download
memory/1984-151-0x00000000034C0000-0x0000000003513000-memory.dmp

Filesize
332KB

Download
memory/1984-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1984-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1984-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1984-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1984-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1984-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2476-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/2476-78-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2476-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2476-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2476-62-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2476-70-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2476-93-0x00000000007D0000-0x0000000000823000-memory.dmp

Filesize
332KB

Download
memory/2476-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2476-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2476-105-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2476-59-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2476-39-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2476-27-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2476-15-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2476-5-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2476-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2476-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads