modiloader | 4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374

General

Target

4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe
Size

90KB
MD5

2db6a8e8e4c9432aa90e83ef551de267
SHA1

109d89d39cfcc36fcaf0e4f2ebee1fb1a7354a0e
SHA256

4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374
SHA512

09340a05331f71a4adc7885f3a8f7ddd7e9525acd4dc49bad9ed6ccacfbc43bdd8c26334b054b64211e80fea7dfe04eaa8f3b526c9d8d8e184f78ca8fa883216
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

Detects Windows executables referencing non-Windows User-Agents 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2160-53-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/2160-54-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/2160-56-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/2160-61-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

ModiLoader Second Stage 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2160-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2160-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2160-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2160-61-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

UPX dump on OEP (original entry point) 16 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4472-0-0x0000000000400000-0x0000000000453000-memory.dmp	UPX
behavioral2/memory/4564-7-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral2/memory/4564-9-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral2/memory/4472-11-0x0000000000400000-0x0000000000453000-memory.dmp	UPX
behavioral2/memory/4564-13-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	UPX
behavioral2/memory/2316-36-0x0000000000400000-0x0000000000453000-memory.dmp	UPX
behavioral2/memory/2160-43-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/2316-46-0x0000000000400000-0x0000000000453000-memory.dmp	UPX
behavioral2/memory/2160-50-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/2160-53-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/2160-54-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/2160-56-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/4564-59-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral2/memory/3680-60-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral2/memory/2160-61-0x0000000000400000-0x0000000000414000-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:

4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid process

2316 csrsll.exe
3680 csrsll.exe
2160 csrsll.exe

pid	process
2316	csrsll.exe
3680	csrsll.exe
2160	csrsll.exe

UPX packed file 16 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4472-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4564-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4564-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4472-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4564-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral2/memory/2316-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2160-43-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2316-46-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2160-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2160-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2160-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2160-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4564-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3680-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2160-61-0x0000000000400000-0x0000000000414000-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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.execsrsll.exe

description	pid	process	target process
PID 4472 set thread context of 4564	4472	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe
PID 2316 set thread context of 3680	2316	csrsll.exe	csrsll.exe
PID 2316 set thread context of 2160	2316	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	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.execsrsll.execsrsll.exe

pid	process
4472	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe
4564	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe
2316	csrsll.exe
3680	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.execmd.execsrsll.exe

description	pid	process	target process
PID 4472 wrote to memory of 4564	4472	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe
PID 4472 wrote to memory of 4564	4472	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe
PID 4472 wrote to memory of 4564	4472	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe
PID 4472 wrote to memory of 4564	4472	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe
PID 4472 wrote to memory of 4564	4472	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe
PID 4472 wrote to memory of 4564	4472	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe
PID 4472 wrote to memory of 4564	4472	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe
PID 4472 wrote to memory of 4564	4472	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe
PID 4564 wrote to memory of 4364	4564	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	cmd.exe
PID 4564 wrote to memory of 4364	4564	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	cmd.exe
PID 4564 wrote to memory of 4364	4564	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	cmd.exe
PID 4364 wrote to memory of 1064	4364	cmd.exe	reg.exe
PID 4364 wrote to memory of 1064	4364	cmd.exe	reg.exe
PID 4364 wrote to memory of 1064	4364	cmd.exe	reg.exe
PID 4564 wrote to memory of 2316	4564	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	csrsll.exe
PID 4564 wrote to memory of 2316	4564	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	csrsll.exe
PID 4564 wrote to memory of 2316	4564	4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe	csrsll.exe
PID 2316 wrote to memory of 3680	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 3680	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 3680	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 3680	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 3680	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 3680	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 3680	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 3680	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 2160	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 2160	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 2160	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 2160	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 2160	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 2160	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 2160	2316	csrsll.exe	csrsll.exe
PID 2316 wrote to memory of 2160	2316	csrsll.exe	csrsll.exe

C:\Users\Admin\AppData\Local\Temp\4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe
"C:\Users\Admin\AppData\Local\Temp\4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4472

C:\Users\Admin\AppData\Local\Temp\4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe
"C:\Users\Admin\AppData\Local\Temp\4ba804fe87926e6e07adf034d5980feda79cd9b905125655706f0e6292be6374.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4564

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TSGHC.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:4364

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:1064

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:2316

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:3680

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
4⤵
- Executes dropped EXE
PID:2160

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

Replay Monitor

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Downloads

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

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

MD5
02003730ee623a5c3f33628ce297f3de

SHA1
e939221474f2f451190f1851dcfa80f7888ff651

SHA256
fd02d78570fea66e9a49371fe783566717d85b7e29fc936ba94be23419af4e55

SHA512
3de571654feabe1c761d5fdbb3116d3fc1f92038abd75c5eddc8a9be05b243c2ec534c2f965f409c2740466183f2697c3fd30314099b7d20216d7b24ee618bcc

Download Submit
memory/2160-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2160-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2160-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2160-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2160-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2160-43-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2316-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2316-46-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3680-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4472-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4472-6-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/4472-5-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/4472-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4472-4-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/4472-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/4564-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4564-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4564-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4564-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads