modiloader | 79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef

Analysis

max time kernel
149s
max time network
145s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
30-06-2024 23:14

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General

Target

79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
Size

90KB
MD5

48c6f461a359dfec64972611b9cad1ca
SHA1

ba5b36950c5fd6f0cd0a39ebe6b9a97558da92fd
SHA256

79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef
SHA512

bded971437ba47d00263c9e00de337dd08494674db9c10fb578e83f98c636fe94fcaa8d0f64eab11d2dba5c7d9d6628b2b0feb6e8cfc31d1b021c9915b35dd65
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 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/2968-259-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2
Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid process

2000 csrsll.exe
2712 csrsll.exe
2968 csrsll.exe

resource	yara_rule
behavioral1/memory/2968-259-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

pid	process
2000	csrsll.exe
2712	csrsll.exe
2968	csrsll.exe

Loads dropped DLL 5 IoCs

Processes:

79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe

pid	process
1616	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
1616	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
1616	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
1616	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
1616	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe

UPX packed file 21 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2104-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1616-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1616-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1616-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2104-101-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1616-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1616-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1616-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2104-90-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2104-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2104-80-0x0000000000400000-0x0000000000453000-memory.dmp	upx
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral1/memory/2000-149-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1616-144-0x0000000002820000-0x0000000002873000-memory.dmp	upx
behavioral1/memory/1616-136-0x0000000002820000-0x0000000002873000-memory.dmp	upx
behavioral1/memory/2000-211-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1616-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2000-246-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2968-243-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2968-259-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2712-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.execsrsll.exe

description	pid	process	target process
PID 2104 set thread context of 1616	2104	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
PID 2000 set thread context of 2712	2000	csrsll.exe	csrsll.exe
PID 2000 set thread context of 2968	2000	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	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe
Token: SeDebugPrivilege	2712	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.execsrsll.execsrsll.exe

pid process

2104 79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
1616 79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
2000 csrsll.exe
2712 csrsll.exe

pid	process
2104	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
1616	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
2000	csrsll.exe
2712	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.execmd.execsrsll.exe

description	pid	process	target process
PID 2104 wrote to memory of 1616	2104	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
PID 2104 wrote to memory of 1616	2104	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
PID 2104 wrote to memory of 1616	2104	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
PID 2104 wrote to memory of 1616	2104	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
PID 2104 wrote to memory of 1616	2104	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
PID 2104 wrote to memory of 1616	2104	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
PID 2104 wrote to memory of 1616	2104	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
PID 2104 wrote to memory of 1616	2104	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
PID 1616 wrote to memory of 2804	1616	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	cmd.exe
PID 1616 wrote to memory of 2804	1616	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	cmd.exe
PID 1616 wrote to memory of 2804	1616	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	cmd.exe
PID 1616 wrote to memory of 2804	1616	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	cmd.exe
PID 2804 wrote to memory of 2440	2804	cmd.exe	reg.exe
PID 2804 wrote to memory of 2440	2804	cmd.exe	reg.exe
PID 2804 wrote to memory of 2440	2804	cmd.exe	reg.exe
PID 2804 wrote to memory of 2440	2804	cmd.exe	reg.exe
PID 1616 wrote to memory of 2000	1616	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	csrsll.exe
PID 1616 wrote to memory of 2000	1616	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	csrsll.exe
PID 1616 wrote to memory of 2000	1616	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	csrsll.exe
PID 1616 wrote to memory of 2000	1616	79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe	csrsll.exe
PID 2000 wrote to memory of 2712	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2712	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2712	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2712	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2712	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2712	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2712	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2712	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2968	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2968	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2968	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2968	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2968	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2968	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2968	2000	csrsll.exe	csrsll.exe
PID 2000 wrote to memory of 2968	2000	csrsll.exe	csrsll.exe

C:\Users\Admin\AppData\Local\Temp\79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
"C:\Users\Admin\AppData\Local\Temp\79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2104

C:\Users\Admin\AppData\Local\Temp\79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe
"C:\Users\Admin\AppData\Local\Temp\79e3da18cad118750b7213a38a55508498846a4c5ea033da49b7e481439ea5ef.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1616

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\SPOSF.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:2804

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:2440

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:2000

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:2712

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
4⤵
- Executes dropped EXE
PID:2968

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\SPOSF.bat
Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

MD5
3432eecd0a99d65ac4b7e98844060237

SHA1
49d4230306b4f9d890411c50f1664796ca0880d7

SHA256
0c14d9a4221a3163f90aadc541a6f156f8fcb7913a3f474ddfd8092905084967

SHA512
d23d632bf95599b8871d30ebd1945c6f79ef81b3bd1976479b7eff5b725e5da54b341cbf967b4f6656738ae4cd90351043e003261978ef776b51dd6350a3f2b8

Download Submit
memory/1616-136-0x0000000002820000-0x0000000002873000-memory.dmp

Filesize
332KB

Download
memory/1616-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1616-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1616-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1616-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1616-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1616-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1616-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1616-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1616-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1616-144-0x0000000002820000-0x0000000002873000-memory.dmp

Filesize
332KB

Download
memory/2000-164-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2000-211-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2000-246-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2000-149-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2000-175-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2000-154-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2104-101-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2104-78-0x0000000001D80000-0x0000000001D82000-memory.dmp

Filesize
8KB

Download
memory/2104-5-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2104-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2104-106-0x0000000002500000-0x0000000002553000-memory.dmp

Filesize
332KB

Download
memory/2104-40-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2104-60-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2104-70-0x0000000001D60000-0x0000000001D61000-memory.dmp

Filesize
4KB

Download
memory/2104-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2104-28-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2104-80-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2104-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2104-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2104-90-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2104-15-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2712-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2968-243-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2968-259-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download