modiloader | 875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f

General

Target

875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
Size

326KB
MD5

7b54b7ea41b21bd6ddb6d2f20a52d580
SHA1

3cd9e100e3432ce563d4521a28a0ab49190c734a
SHA256

875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f
SHA512

6ffd14ac71bd4172de2fb20124d3cb1e9a730a7bc18a7d5e90ea192797055674e0fdf33d5d2a2de1955be7917afc6646c38d4df5a56e47cca0f8dca91d946a67
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

Detects Windows executables referencing non-Windows User-Agents 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2820-51-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/2820-54-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/2820-60-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

ModiLoader Second Stage 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2820-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2820-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2820-60-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

UPX dump on OEP (original entry point) 15 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4360-0-0x0000000000400000-0x0000000000454000-memory.dmp	UPX
behavioral2/memory/2928-7-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral2/memory/2928-9-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral2/memory/2928-10-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral2/memory/4360-11-0x0000000000400000-0x0000000000454000-memory.dmp	UPX
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	UPX
behavioral2/memory/3420-35-0x0000000000400000-0x0000000000454000-memory.dmp	UPX
behavioral2/memory/2820-44-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/2820-49-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/2820-51-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/2820-54-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/3420-53-0x0000000000400000-0x0000000000454000-memory.dmp	UPX
behavioral2/memory/2928-57-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral2/memory/2800-59-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral2/memory/2820-60-0x0000000000400000-0x0000000000414000-memory.dmp	UPX

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:

875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid process

3420 csrsll.exe
2800 csrsll.exe
2820 csrsll.exe

pid	process
3420	csrsll.exe
2800	csrsll.exe
2820	csrsll.exe

UPX packed file 15 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4360-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2928-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2928-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2928-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4360-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral2/memory/3420-35-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2820-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2820-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2820-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2820-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3420-53-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2928-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2800-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2820-60-0x0000000000400000-0x0000000000414000-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-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.execsrsll.exe

description	pid	process	target process
PID 4360 set thread context of 2928	4360	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
PID 3420 set thread context of 2800	3420	csrsll.exe	csrsll.exe
PID 3420 set thread context of 2820	3420	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	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe
Token: SeDebugPrivilege	2800	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.execsrsll.execsrsll.exe

pid	process
4360	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
2928	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
3420	csrsll.exe
2800	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.execmd.execsrsll.exe

description	pid	process	target process
PID 4360 wrote to memory of 2928	4360	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
PID 4360 wrote to memory of 2928	4360	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
PID 4360 wrote to memory of 2928	4360	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
PID 4360 wrote to memory of 2928	4360	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
PID 4360 wrote to memory of 2928	4360	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
PID 4360 wrote to memory of 2928	4360	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
PID 4360 wrote to memory of 2928	4360	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
PID 4360 wrote to memory of 2928	4360	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
PID 2928 wrote to memory of 1764	2928	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	cmd.exe
PID 2928 wrote to memory of 1764	2928	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	cmd.exe
PID 2928 wrote to memory of 1764	2928	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	cmd.exe
PID 1764 wrote to memory of 4788	1764	cmd.exe	reg.exe
PID 1764 wrote to memory of 4788	1764	cmd.exe	reg.exe
PID 1764 wrote to memory of 4788	1764	cmd.exe	reg.exe
PID 2928 wrote to memory of 3420	2928	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	csrsll.exe
PID 2928 wrote to memory of 3420	2928	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	csrsll.exe
PID 2928 wrote to memory of 3420	2928	875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe	csrsll.exe
PID 3420 wrote to memory of 2800	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2800	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2800	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2800	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2800	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2800	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2800	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2800	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2820	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2820	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2820	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2820	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2820	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2820	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2820	3420	csrsll.exe	csrsll.exe
PID 3420 wrote to memory of 2820	3420	csrsll.exe	csrsll.exe

C:\Users\Admin\AppData\Local\Temp\875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
"C:\Users\Admin\AppData\Local\Temp\875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4360

C:\Users\Admin\AppData\Local\Temp\875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe
"C:\Users\Admin\AppData\Local\Temp\875322389ac8d7d822055851c9643a83588f569e05d15b438e84e09bdfdc5e6f.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XJHLG.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:1764

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:4788

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:3420

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:2800

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
4⤵
- Executes dropped EXE
PID:2820

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

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

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

MD5
5ef94eb61c8be4376d3a04c3b7e0e45f

SHA1
73cc15e35e6e19b00202d6e6756402c7c9bc26d3

SHA256
1e513c7c54c458d74a63c337299ece35256adc15e3f2cd0421442a865438389f

SHA512
8f0bbde3539af688692ee376a62fceb3496b0ee4d826091b1fc9d26f12a66e803b60990212b420f4cc617c7c6ac96b5adce4131e6f09ed1c1b5035730e6579f9

Download Submit
memory/2800-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2820-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2820-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2820-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2820-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2820-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2928-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2928-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2928-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2928-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3420-53-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3420-35-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3420-38-0x00000000020B0000-0x00000000020B2000-memory.dmp

Filesize
8KB

Download
memory/3420-39-0x00000000020C0000-0x00000000020C2000-memory.dmp

Filesize
8KB

Download
memory/3420-45-0x0000000002150000-0x0000000002152000-memory.dmp

Filesize
8KB

Download
memory/3420-41-0x00000000020D0000-0x00000000020D2000-memory.dmp

Filesize
8KB

Download
memory/4360-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4360-5-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/4360-6-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/4360-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4360-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/4360-4-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads