modiloader | 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8

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
30-06-2024 22:31

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General

Target

692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
Size

90KB
MD5

eb6b22e45664b660d8786e8682c3a69f
SHA1

8d5d56418814c3a51ce1fb6da152791b51b6be10
SHA256

692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8
SHA512

d29597fc4a0e083c939d9b7e90aaf545e73ced292768933037a380cd4d97ff991132dd789efd5ac4ea87ef833a406a06776754a2ce6586fd2475482d1feb56e9
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 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2616-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2616-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2616-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2616-49-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2616-59-0x0000000000400000-0x0000000000414000-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:

692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid process

4660 csrsll.exe
2484 csrsll.exe
2616 csrsll.exe

pid	process
4660	csrsll.exe
2484	csrsll.exe
2616	csrsll.exe

UPX packed file 17 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3992-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3992-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1596-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1596-6-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1596-4-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4660-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral2/memory/1596-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2616-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2616-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2616-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2616-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2616-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4660-47-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2616-42-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2616-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2484-58-0x0000000000400000-0x000000000040B000-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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.execsrsll.exe

description	pid	process	target process
PID 3992 set thread context of 1596	3992	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
PID 4660 set thread context of 2484	4660	csrsll.exe	csrsll.exe
PID 4660 set thread context of 2616	4660	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	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe
Token: SeDebugPrivilege	2484	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.execsrsll.execsrsll.exe

pid process

3992 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
1596 692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
4660 csrsll.exe
2484 csrsll.exe

pid	process
3992	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
1596	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
4660	csrsll.exe
2484	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.execmd.execsrsll.exe

description	pid	process	target process
PID 3992 wrote to memory of 1596	3992	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
PID 3992 wrote to memory of 1596	3992	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
PID 3992 wrote to memory of 1596	3992	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
PID 3992 wrote to memory of 1596	3992	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
PID 3992 wrote to memory of 1596	3992	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
PID 3992 wrote to memory of 1596	3992	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
PID 3992 wrote to memory of 1596	3992	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
PID 3992 wrote to memory of 1596	3992	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
PID 1596 wrote to memory of 3756	1596	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	cmd.exe
PID 1596 wrote to memory of 3756	1596	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	cmd.exe
PID 1596 wrote to memory of 3756	1596	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	cmd.exe
PID 3756 wrote to memory of 376	3756	cmd.exe	reg.exe
PID 3756 wrote to memory of 376	3756	cmd.exe	reg.exe
PID 3756 wrote to memory of 376	3756	cmd.exe	reg.exe
PID 1596 wrote to memory of 4660	1596	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	csrsll.exe
PID 1596 wrote to memory of 4660	1596	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	csrsll.exe
PID 1596 wrote to memory of 4660	1596	692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe	csrsll.exe
PID 4660 wrote to memory of 2484	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2484	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2484	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2484	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2484	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2484	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2484	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2484	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2616	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2616	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2616	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2616	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2616	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2616	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2616	4660	csrsll.exe	csrsll.exe
PID 4660 wrote to memory of 2616	4660	csrsll.exe	csrsll.exe

C:\Users\Admin\AppData\Local\Temp\692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
"C:\Users\Admin\AppData\Local\Temp\692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3992

C:\Users\Admin\AppData\Local\Temp\692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe
"C:\Users\Admin\AppData\Local\Temp\692d35e2225cacedf9d842965c4b81e2ef40b653580e04ff7674a615ccc8d2d8.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1596

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OTFDH.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:3756

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:376

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:4660

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:2484

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
4⤵
- Executes dropped EXE
PID:2616

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

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

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

MD5
26d40e38b40e434fecde359c11c46bde

SHA1
bb3fc63f51e9593c3aa96f46982573f17cbebae8

SHA256
793f2860d35eb992e8ba95195294fb613dc94dbb5981ffacef434532d7a9a136

SHA512
eca4013c568e6b8c726598560de77427c63529b34f39556a4118294de06c442cfe1cbc6d05ebedb1aeca1f46f7cd36555450da41f162ddc9770e3f9b13069590

Download Submit
memory/1596-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1596-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1596-4-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1596-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1596-56-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2484-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2616-42-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2616-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2616-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2616-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2616-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2616-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3992-8-0x0000000002940000-0x0000000002942000-memory.dmp

Filesize
8KB

Download
memory/3992-7-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/3992-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3992-9-0x0000000002950000-0x0000000002952000-memory.dmp

Filesize
8KB

Download
memory/3992-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3992-3-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/4660-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4660-47-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download