modiloader | 4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 10:22

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General

Target

4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe
Size

90KB
MD5

122fc2d23965464d3fd979e648a24f70
SHA1

b91f5c989a711cfe8ceca698af3ee7b241463828
SHA256

4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db
SHA512

2e465dee551cd9e32aab3971342cea38e3ec6a377346c9b825c78bbe1570af4dfdc470e0cdb45bc73ecb7e963cede9efa8be55045b0fd1a1c6178a0ced001928
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/3972-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3972-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3972-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3972-59-0x0000000000400000-0x0000000000414000-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:

4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid process

3584 csrsll.exe
1620 csrsll.exe
3972 csrsll.exe

pid	process
3584	csrsll.exe
1620	csrsll.exe
3972	csrsll.exe

UPX packed file 17 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3556-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4828-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4828-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4828-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3556-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral2/memory/3584-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3584-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3972-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3972-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3972-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3972-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3972-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3584-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4828-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1620-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3972-59-0x0000000000400000-0x0000000000414000-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-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.execsrsll.exe

description	pid	process	target process
PID 3556 set thread context of 4828	3556	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe
PID 3584 set thread context of 1620	3584	csrsll.exe	csrsll.exe
PID 3584 set thread context of 3972	3584	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	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe
Token: SeDebugPrivilege	1620	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.execsrsll.execsrsll.exe

pid	process
3556	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe
4828	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe
3584	csrsll.exe
1620	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.execmd.execsrsll.exe

description	pid	process	target process
PID 3556 wrote to memory of 4828	3556	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe
PID 3556 wrote to memory of 4828	3556	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe
PID 3556 wrote to memory of 4828	3556	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe
PID 3556 wrote to memory of 4828	3556	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe
PID 3556 wrote to memory of 4828	3556	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe
PID 3556 wrote to memory of 4828	3556	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe
PID 3556 wrote to memory of 4828	3556	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe
PID 3556 wrote to memory of 4828	3556	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe
PID 4828 wrote to memory of 912	4828	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	cmd.exe
PID 4828 wrote to memory of 912	4828	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	cmd.exe
PID 4828 wrote to memory of 912	4828	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	cmd.exe
PID 912 wrote to memory of 3140	912	cmd.exe	reg.exe
PID 912 wrote to memory of 3140	912	cmd.exe	reg.exe
PID 912 wrote to memory of 3140	912	cmd.exe	reg.exe
PID 4828 wrote to memory of 3584	4828	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	csrsll.exe
PID 4828 wrote to memory of 3584	4828	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	csrsll.exe
PID 4828 wrote to memory of 3584	4828	4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe	csrsll.exe
PID 3584 wrote to memory of 1620	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 1620	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 1620	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 1620	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 1620	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 1620	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 1620	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 1620	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 3972	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 3972	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 3972	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 3972	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 3972	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 3972	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 3972	3584	csrsll.exe	csrsll.exe
PID 3584 wrote to memory of 3972	3584	csrsll.exe	csrsll.exe

C:\Users\Admin\AppData\Local\Temp\4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3556

C:\Users\Admin\AppData\Local\Temp\4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\4a66ecbae71ee318951a841da9823752a185f70c6a5ec6973053f5d9612ab3db_NeikiAnalytics.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4828

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LQBDG.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:912

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:3140

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:3584

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:1620

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
4⤵
- Executes dropped EXE
PID:3972

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\LQBDG.txt
Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
Filesize
90KB

MD5
caa3f576b5fe9366902d9d0a6d52af08

SHA1
3a7e643a9206854c53ae4bc6ceaae578902c6143

SHA256
d43bbeb8b6f4db818f78c85f8827a71b58c0a1557d7b77b9370e595d5215c5bd

SHA512
76bc28f29deb742feeb865368712b7c5ebc062d5dca000221fc5580d07ef4b0ae3d2bbe513e54707ae09028c51dd7c8dca897c70d04d4992177b271f801f9e02

Download Submit
memory/1620-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3556-6-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/3556-5-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/3556-4-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/3556-3-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/3556-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3556-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3584-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3584-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3584-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3972-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3972-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3972-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3972-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3972-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3972-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4828-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4828-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4828-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4828-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download