modiloader | 00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2024 21:27

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General

Target

00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe
Size

90KB
MD5

e889fee56cf5021defd5660181b76660
SHA1

92b115db340dcfeb007906186e66f36a898e62f4
SHA256

00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0
SHA512

1cf260659b339690a18eef2caad4efab35466ef9b8eadf2f5f1423dd394fc8267a6e9752799b9c266516716d7254e86018dc148e33db250b21372c9d15de3825
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/3936-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3936-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3936-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3936-57-0x0000000000400000-0x0000000000414000-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:

00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid process

348 csrsll.exe
1176 csrsll.exe
3936 csrsll.exe

pid	process
348	csrsll.exe
1176	csrsll.exe
3936	csrsll.exe

UPX packed file 16 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2816-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4140-3-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4140-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4140-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2816-10-0x0000000000400000-0x0000000000453000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral2/memory/348-34-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3936-41-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3936-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3936-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3936-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3936-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/348-45-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4140-55-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1176-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3936-57-0x0000000000400000-0x0000000000414000-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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.execsrsll.exe

description	pid	process	target process
PID 2816 set thread context of 4140	2816	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe
PID 348 set thread context of 1176	348	csrsll.exe	csrsll.exe
PID 348 set thread context of 3936	348	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	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe
Token: SeDebugPrivilege	1176	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.execsrsll.execsrsll.exe

pid	process
2816	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe
4140	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe
348	csrsll.exe
1176	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.execmd.execsrsll.exe

description	pid	process	target process
PID 2816 wrote to memory of 4140	2816	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe
PID 2816 wrote to memory of 4140	2816	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe
PID 2816 wrote to memory of 4140	2816	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe
PID 2816 wrote to memory of 4140	2816	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe
PID 2816 wrote to memory of 4140	2816	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe
PID 2816 wrote to memory of 4140	2816	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe
PID 2816 wrote to memory of 4140	2816	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe
PID 2816 wrote to memory of 4140	2816	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe
PID 4140 wrote to memory of 2304	4140	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	cmd.exe
PID 4140 wrote to memory of 2304	4140	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	cmd.exe
PID 4140 wrote to memory of 2304	4140	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	cmd.exe
PID 2304 wrote to memory of 4344	2304	cmd.exe	reg.exe
PID 2304 wrote to memory of 4344	2304	cmd.exe	reg.exe
PID 2304 wrote to memory of 4344	2304	cmd.exe	reg.exe
PID 4140 wrote to memory of 348	4140	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	csrsll.exe
PID 4140 wrote to memory of 348	4140	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	csrsll.exe
PID 4140 wrote to memory of 348	4140	00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe	csrsll.exe
PID 348 wrote to memory of 1176	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 1176	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 1176	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 1176	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 1176	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 1176	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 1176	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 1176	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 3936	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 3936	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 3936	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 3936	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 3936	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 3936	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 3936	348	csrsll.exe	csrsll.exe
PID 348 wrote to memory of 3936	348	csrsll.exe	csrsll.exe

C:\Users\Admin\AppData\Local\Temp\00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2816

C:\Users\Admin\AppData\Local\Temp\00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\00b3ae65c6946ce58bbc6c6600c303429e767965d8a911fb564c6d1d3be091d0_NeikiAnalytics.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4140

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ANDRN.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:2304

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:4344

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:348

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:1176

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
4⤵
- Executes dropped EXE
PID:3936

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

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

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

MD5
94e889b553fa714b723cca82358949c3

SHA1
f37bc682eb497c6105f3f0c2d7f1423b442b3984

SHA256
12c1868afd042f108fa2b99bafd2aa1a1ede2b3e5ef8d5e18e69ff131734beb3

SHA512
60eadb056741fbba1b12808b4a68471613dd20a92f3eb181abd8287e711ca58a924fbef8db7e8dd0849a714a6f5e9eb76b4012cea305b3a89e25a1db37c61efc

Download Submit
memory/348-34-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/348-45-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1176-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2816-4-0x0000000002A00000-0x0000000002A02000-memory.dmp

Filesize
8KB

Download
memory/2816-5-0x0000000002A10000-0x0000000002A12000-memory.dmp

Filesize
8KB

Download
memory/2816-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2816-10-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3936-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3936-41-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3936-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3936-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3936-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3936-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4140-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4140-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4140-55-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4140-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download