modiloader | 1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0

Analysis

max time kernel
153s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 21:43

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General

Target

1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe
Size

326KB
MD5

1cc2f3553fa52983389d468abc75da80
SHA1

55bd533212b06e15d08260277f16df1315856d9b
SHA256

1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0
SHA512

2aba39441fbd55361c02434e8b771348480aa764b1301720f6aab72c37f7a088d5018738d875bd1742a145ee2b9e746f842e0cc7cce2071a9ee3d0078c429929
SSDEEP

3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:h0sxD5cwohO+O1sVG0/pZ6iPC8

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/1640-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1640-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1640-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1640-62-0x0000000000400000-0x0000000000414000-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:

1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid process

2836 csrsll.exe
3800 csrsll.exe
1640 csrsll.exe

pid	process
2836	csrsll.exe
3800	csrsll.exe
1640	csrsll.exe

UPX packed file 19 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1620-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2028-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2028-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2028-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1620-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2028-21-0x0000000000400000-0x000000000040B000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral2/memory/2836-36-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2028-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2836-45-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1640-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1640-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1640-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1640-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1640-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2836-58-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2028-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3800-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1640-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.execsrsll.exe

description	pid	process	target process
PID 1620 set thread context of 2028	1620	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe
PID 2836 set thread context of 3800	2836	csrsll.exe	csrsll.exe
PID 2836 set thread context of 1640	2836	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	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe
Token: SeDebugPrivilege	3800	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.execsrsll.execsrsll.exe

pid	process
1620	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe
2028	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe
2836	csrsll.exe
3800	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.execmd.execsrsll.exe

description	pid	process	target process
PID 1620 wrote to memory of 2028	1620	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe
PID 1620 wrote to memory of 2028	1620	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe
PID 1620 wrote to memory of 2028	1620	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe
PID 1620 wrote to memory of 2028	1620	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe
PID 1620 wrote to memory of 2028	1620	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe
PID 1620 wrote to memory of 2028	1620	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe
PID 1620 wrote to memory of 2028	1620	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe
PID 1620 wrote to memory of 2028	1620	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe
PID 2028 wrote to memory of 3192	2028	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	cmd.exe
PID 2028 wrote to memory of 3192	2028	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	cmd.exe
PID 2028 wrote to memory of 3192	2028	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	cmd.exe
PID 3192 wrote to memory of 3484	3192	cmd.exe	reg.exe
PID 3192 wrote to memory of 3484	3192	cmd.exe	reg.exe
PID 3192 wrote to memory of 3484	3192	cmd.exe	reg.exe
PID 2028 wrote to memory of 2836	2028	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	csrsll.exe
PID 2028 wrote to memory of 2836	2028	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	csrsll.exe
PID 2028 wrote to memory of 2836	2028	1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe	csrsll.exe
PID 2836 wrote to memory of 3800	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 3800	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 3800	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 3800	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 3800	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 3800	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 3800	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 3800	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 1640	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 1640	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 1640	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 1640	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 1640	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 1640	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 1640	2836	csrsll.exe	csrsll.exe
PID 2836 wrote to memory of 1640	2836	csrsll.exe	csrsll.exe

C:\Users\Admin\AppData\Local\Temp\1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1620

C:\Users\Admin\AppData\Local\Temp\1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\1f7e2b74e4554d7a1848163e1119374a89b4286e3c47e474b94b3db25c91d9c0_NeikiAnalytics.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GHENF.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:3192

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:3484

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:2836

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:3800

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
4⤵
- Executes dropped EXE
PID:1640

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 --mojo-platform-channel-handle=1344 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
1⤵
PID:3140

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

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

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
Filesize
326KB

MD5
42e0274c8e0ce99793c7973acccaf83b

SHA1
e24db3ec582f971954355ab3029bde19b31929e5

SHA256
80a087508fbbfa3662156350ddd0ed59ea1654eee5a588a6004ad24d777381e2

SHA512
e5d85b37fec3c98ded5bdc574327a7cf538b65cf3ee24eb55c71230ce66424980025fa45381fdb7e585bb412cccc7030a4b2e8289cada9cd9bb00e0db265cef7

Download Submit
memory/1620-5-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/1620-4-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/1620-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1620-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1620-6-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/1620-3-0x00000000021B0000-0x00000000021B2000-memory.dmp

Filesize
8KB

Download
memory/1640-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1640-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1640-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1640-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1640-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1640-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2028-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-21-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2028-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2836-45-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2836-36-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2836-58-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3800-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download