modiloader | 4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 10:25

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General

Target

4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe
Size

90KB
MD5

653a9d3251badf50d9c7977b51c697d0
SHA1

1bec75b36fff43c2df719528d92dcd66a569028e
SHA256

4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41
SHA512

5d2a13da93e55acaf51d7f147a1824b65618dcdc1202840609655fd50c000ee02095ae0d08b6179d2a9f299c282ec71486fc435ab849f9ae1b8109964d42a43f
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/4048-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4048-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4048-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4048-61-0x0000000000400000-0x0000000000414000-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:

4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid process

3952 csrsll.exe
4412 csrsll.exe
4048 csrsll.exe

pid	process
3952	csrsll.exe
4412	csrsll.exe
4048	csrsll.exe

UPX packed file 17 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/212-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3380-4-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3380-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/212-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3380-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral2/memory/3952-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3952-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4048-42-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3952-49-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4048-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4048-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4048-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4048-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3380-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4412-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4048-61-0x0000000000400000-0x0000000000414000-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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.execsrsll.exe

description	pid	process	target process
PID 212 set thread context of 3380	212	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe
PID 3952 set thread context of 4412	3952	csrsll.exe	csrsll.exe
PID 3952 set thread context of 4048	3952	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	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe
Token: SeDebugPrivilege	4412	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.execsrsll.execsrsll.exe

pid	process
212	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe
3380	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe
3952	csrsll.exe
4412	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.execmd.execsrsll.exe

description	pid	process	target process
PID 212 wrote to memory of 3380	212	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe
PID 212 wrote to memory of 3380	212	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe
PID 212 wrote to memory of 3380	212	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe
PID 212 wrote to memory of 3380	212	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe
PID 212 wrote to memory of 3380	212	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe
PID 212 wrote to memory of 3380	212	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe
PID 212 wrote to memory of 3380	212	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe
PID 212 wrote to memory of 3380	212	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe
PID 3380 wrote to memory of 1304	3380	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	cmd.exe
PID 3380 wrote to memory of 1304	3380	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	cmd.exe
PID 3380 wrote to memory of 1304	3380	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	cmd.exe
PID 1304 wrote to memory of 4028	1304	cmd.exe	reg.exe
PID 1304 wrote to memory of 4028	1304	cmd.exe	reg.exe
PID 1304 wrote to memory of 4028	1304	cmd.exe	reg.exe
PID 3380 wrote to memory of 3952	3380	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	csrsll.exe
PID 3380 wrote to memory of 3952	3380	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	csrsll.exe
PID 3380 wrote to memory of 3952	3380	4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe	csrsll.exe
PID 3952 wrote to memory of 4412	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4412	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4412	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4412	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4412	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4412	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4412	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4412	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4048	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4048	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4048	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4048	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4048	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4048	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4048	3952	csrsll.exe	csrsll.exe
PID 3952 wrote to memory of 4048	3952	csrsll.exe	csrsll.exe

C:\Users\Admin\AppData\Local\Temp\4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:212

C:\Users\Admin\AppData\Local\Temp\4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\4a8bcf5f470f72e6d8165ae7d0c2e5069b59a929a8f39f6617d6519046b1fd41_NeikiAnalytics.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3380

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TABHE.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:4028

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:3952

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:4412

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
4⤵
- Executes dropped EXE
PID:4048

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4208,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=4116 /prefetch:8
1⤵
PID:4984

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

MD5
1ce32bfa456b06fd318600f2eb93f155

SHA1
a5043be4a883a7563103cae8fdd25354c4a27eff

SHA256
1fd29590bfce7898f52457f376b29196fa66edfd797ddbdcb4fab9c27f58f13c

SHA512
e202cef9c0702ccba222541f4b8063424eda67ebef5469f564f391ca1e7da45f4def647b5ec1b6785684ef5ed32dd3be352508e603f4335df3b595bafe7348f6

Download Submit
memory/212-8-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/212-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/212-6-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/212-7-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/212-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/212-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3380-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3380-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3380-4-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3380-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3952-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3952-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3952-49-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4048-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4048-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4048-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4048-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4048-42-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4048-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4412-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download