modiloader | fd7fdaf361cff0166ac2423a63743a399a620822feeee1642dad2483c5589616

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 11:09

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General

Target
792902076bf2920b4dafb5f7c18288b0_NEIKI.exe
Size 90KB
Sample240508-m9jdfshd91
SHA256 fd7fdaf361cff0166ac2423a63743a399a620822feeee1642dad2483c5589616
MD5 792902076bf2920b4dafb5f7c18288b0
SHA1 84d51ef5e4323f7e4840494ba58f961c93b15fc6
SHA512 160dfe7f8911e255d3e074ce7c78431370d8927d7a178332b2222207e43b56c27295ebfdfbc09499f7fadac269a8a2abfa854a685f70453dec32497f8e7783a1
SSDEEP 1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
MD5 SHA1 SHA512 SSDEEP

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 3 IoCs

resource	yara_rule
behavioral2/memory/3344-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3344-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3344-54-0x0000000000400000-0x0000000000414000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe

Executes dropped EXE 3 IoCs

pid	Process
4988	csrsll.exe
3696	csrsll.exe
3344	csrsll.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2180-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/216-3-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2180-6-0x0000000002A50000-0x0000000002A52000-memory.dmp	upx
behavioral2/memory/216-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/216-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2180-10-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x00140000000239e7-28.dat	upx
behavioral2/memory/4988-35-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4988-47-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3344-42-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3344-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3344-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3344-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3344-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/216-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3696-58-0x0000000000400000-0x000000000040B000-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-1-5-21-877519540-908060166-1852957295-1000\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 2180 set thread context of 216	2180	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	95
PID 4988 set thread context of 3696	4988	csrsll.exe	103
PID 4988 set thread context of 3344	4988	csrsll.exe	104

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	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe
Token: SeDebugPrivilege	3696	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2180	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe
216	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe
4988	csrsll.exe
3696	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 216	2180	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	95
PID 2180 wrote to memory of 216	2180	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	95
PID 2180 wrote to memory of 216	2180	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	95
PID 2180 wrote to memory of 216	2180	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	95
PID 2180 wrote to memory of 216	2180	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	95
PID 2180 wrote to memory of 216	2180	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	95
PID 2180 wrote to memory of 216	2180	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	95
PID 2180 wrote to memory of 216	2180	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	95
PID 216 wrote to memory of 1568	216	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	98
PID 216 wrote to memory of 1568	216	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	98
PID 216 wrote to memory of 1568	216	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	98
PID 1568 wrote to memory of 2020	1568	cmd.exe	101
PID 1568 wrote to memory of 2020	1568	cmd.exe	101
PID 1568 wrote to memory of 2020	1568	cmd.exe	101
PID 216 wrote to memory of 4988	216	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	102
PID 216 wrote to memory of 4988	216	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	102
PID 216 wrote to memory of 4988	216	792902076bf2920b4dafb5f7c18288b0_NEIKI.exe	102
PID 4988 wrote to memory of 3696	4988	csrsll.exe	103
PID 4988 wrote to memory of 3696	4988	csrsll.exe	103
PID 4988 wrote to memory of 3696	4988	csrsll.exe	103
PID 4988 wrote to memory of 3696	4988	csrsll.exe	103
PID 4988 wrote to memory of 3696	4988	csrsll.exe	103
PID 4988 wrote to memory of 3696	4988	csrsll.exe	103
PID 4988 wrote to memory of 3696	4988	csrsll.exe	103
PID 4988 wrote to memory of 3696	4988	csrsll.exe	103
PID 4988 wrote to memory of 3344	4988	csrsll.exe	104
PID 4988 wrote to memory of 3344	4988	csrsll.exe	104
PID 4988 wrote to memory of 3344	4988	csrsll.exe	104
PID 4988 wrote to memory of 3344	4988	csrsll.exe	104
PID 4988 wrote to memory of 3344	4988	csrsll.exe	104
PID 4988 wrote to memory of 3344	4988	csrsll.exe	104
PID 4988 wrote to memory of 3344	4988	csrsll.exe	104
PID 4988 wrote to memory of 3344	4988	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe
  "C:\Users\Admin\AppData\Local\Temp\792902076bf2920b4dafb5f7c18288b0_NEIKI.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:216
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UMBVR.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1568
  - - 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:2020
- - 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:4988
  - - 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:3696
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      PID:3344

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

UMBVR.txt

Path C:\Users\Admin\AppData\Local\Temp\UMBVR.txt
Size 145B
SHA256 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
MD5 4eb61ec7816c34ec8c125acadc57ec1b
SHA1 b0015cc865c0bb1a027be663027d3829401a31cc
SHA512 f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
MD5 SHA1 SHA512

Submit Download

csrsll.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
Size 90KB
SHA256 3e7ea045909150f9862ce67f8d5e34b5e404a99d369787c09ca87ba4559c1290
MD5 cc86019db88b575990b9bc0989f22c93
SHA1 5ecdcb3a3f9a0aad044cfafb1341a1bc06dd91da
SHA512 4a4fdfc925dd5b090c799e1e1b1de20ab45727c135fad7f599766086453257285e52405233fa4385e4bf9c224b7dff7128753ccc59f2031118c98912bbf32f55
SSDEEP 1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/216-12-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/216-3-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/216-57-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/216-8-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/2180-5-0x0000000002A30000-0x0000000002A32000-memory.dmp

Download

memory/2180-10-0x0000000000400000-0x0000000000453000-memory.dmp

Download

memory/2180-0-0x0000000000400000-0x0000000000453000-memory.dmp

Download

memory/2180-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Download

memory/2180-4-0x0000000002A20000-0x0000000002A22000-memory.dmp

Download

memory/3344-42-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/3344-48-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/3344-50-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/3344-52-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/3344-54-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/3696-58-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/4988-35-0x0000000000400000-0x0000000000453000-memory.dmp

Download

memory/4988-47-0x0000000000400000-0x0000000000453000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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