modiloader | f8256bf4c71a315eb73feee981a5f9220dfb7196476d180b5375eb40bfbfc5b0

General

Target

company profile.doc
Size

1.2MB
MD5

3507d31fc7a30a24d8a31a009c2e4d86
SHA1

081efffd1c33a10f6a637921246ea91bdad1b00a
SHA256

f8256bf4c71a315eb73feee981a5f9220dfb7196476d180b5375eb40bfbfc5b0
SHA512

7a1907a6952621113bf973a40fd668f04d0e20ab0907dabf4f287843e5c161904673c0e94da12fd719b233dde36e58238be6bed12c282bd39c5a37caeb7d1bbd

Score

10^/10

modiloader persistence trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 1716 EQNEDT32.EXE
Executes dropped EXE 2 IoCs

Processes:

cax8398.execax8398.exe

pid process

328 cax8398.exe
1616 cax8398.exe
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

1716 EQNEDT32.EXE

flow	pid	process
6	1716	EQNEDT32.EXE

pid	process
328	cax8398.exe
1616	cax8398.exe

pid	process
1716	EQNEDT32.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cax8398.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\cpjI = "C:\\Users\\Admin\\AppData\\Local\\cpjI.url"	cax8398.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

cax8398.exe

description pid process target process

PID 328 set thread context of 1616 328 cax8398.exe cax8398.exe
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

1716 EQNEDT32.EXE

description	pid	process	target process
PID 328 set thread context of 1616	328	cax8398.exe	cax8398.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	process
1716	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

cax8398.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	cax8398.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	cax8398.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	cax8398.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

372 WINWORD.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

cax8398.exe

pid process

1616 cax8398.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

cax8398.exe

description pid process

Token: SeDebugPrivilege 1616 cax8398.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

372 WINWORD.EXE
372 WINWORD.EXE

pid	process
372	WINWORD.EXE

pid	process
1616	cax8398.exe

description	pid	process
Token: SeDebugPrivilege	1616	cax8398.exe

pid	process
372	WINWORD.EXE
372	WINWORD.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EQNEDT32.EXEcax8398.exe

description	pid	process	target process
PID 1716 wrote to memory of 328	1716	EQNEDT32.EXE	cax8398.exe
PID 1716 wrote to memory of 328	1716	EQNEDT32.EXE	cax8398.exe
PID 1716 wrote to memory of 328	1716	EQNEDT32.EXE	cax8398.exe
PID 1716 wrote to memory of 328	1716	EQNEDT32.EXE	cax8398.exe
PID 328 wrote to memory of 1616	328	cax8398.exe	cax8398.exe
PID 328 wrote to memory of 1616	328	cax8398.exe	cax8398.exe
PID 328 wrote to memory of 1616	328	cax8398.exe	cax8398.exe
PID 328 wrote to memory of 1616	328	cax8398.exe	cax8398.exe
PID 328 wrote to memory of 1616	328	cax8398.exe	cax8398.exe
PID 328 wrote to memory of 1616	328	cax8398.exe	cax8398.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\company profile.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:372

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:1716

C:\Users\Admin\AppData\Roaming\cax8398.exe
"C:\Users\Admin\AppData\Roaming\cax8398.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:328

C:\Users\Admin\AppData\Roaming\cax8398.exe
"C:\Users\Admin\AppData\Roaming\cax8398.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1616

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

1

T1203

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Install Root Certificate

1

T1130

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\cax8398.exe
MD5
a88c0408e7888f549e40940279758fa6

SHA1
38a44dbf2b47e758a6ed4c68362ac40cf9b5ef5c

SHA256
b4711ee19363ec125911ae1356714720a9d9b463848b1044d08d56977cb960db

SHA512
5536b0ad743417f0984e26646fe1c1294ca8acebbc08f9c5a03f75df3479b7168eef509a3574cf88efc33d15c15f2a8420c738d60ac1bb40e8f6a94b7bb2c4a9

Download Submit
C:\Users\Admin\AppData\Roaming\cax8398.exe
MD5
a88c0408e7888f549e40940279758fa6

SHA1
38a44dbf2b47e758a6ed4c68362ac40cf9b5ef5c

SHA256
b4711ee19363ec125911ae1356714720a9d9b463848b1044d08d56977cb960db

SHA512
5536b0ad743417f0984e26646fe1c1294ca8acebbc08f9c5a03f75df3479b7168eef509a3574cf88efc33d15c15f2a8420c738d60ac1bb40e8f6a94b7bb2c4a9

Download Submit
C:\Users\Admin\AppData\Roaming\cax8398.exe
MD5
a88c0408e7888f549e40940279758fa6

SHA1
38a44dbf2b47e758a6ed4c68362ac40cf9b5ef5c

SHA256
b4711ee19363ec125911ae1356714720a9d9b463848b1044d08d56977cb960db

SHA512
5536b0ad743417f0984e26646fe1c1294ca8acebbc08f9c5a03f75df3479b7168eef509a3574cf88efc33d15c15f2a8420c738d60ac1bb40e8f6a94b7bb2c4a9

Download Submit
\Users\Admin\AppData\Roaming\cax8398.exe
MD5
a88c0408e7888f549e40940279758fa6

SHA1
38a44dbf2b47e758a6ed4c68362ac40cf9b5ef5c

SHA256
b4711ee19363ec125911ae1356714720a9d9b463848b1044d08d56977cb960db

SHA512
5536b0ad743417f0984e26646fe1c1294ca8acebbc08f9c5a03f75df3479b7168eef509a3574cf88efc33d15c15f2a8420c738d60ac1bb40e8f6a94b7bb2c4a9

Download Submit
memory/328-5-0x0000000000000000-mapping.dmp

Download
memory/328-8-0x0000000000760000-0x0000000000773000-memory.dmp

Filesize
76KB

Download
memory/328-10-0x0000000004420000-0x0000000004499000-memory.dmp

Filesize
484KB

Download
memory/372-2-0x0000000003F80000-0x0000000003F84000-memory.dmp

Filesize
16KB

Download
memory/372-7-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/1508-3-0x000007FEF7790000-0x000007FEF7A0A000-memory.dmp

Filesize
2.5MB

Download
memory/1616-13-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1616-16-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1616-14-0x000000000040CD2F-mapping.dmp

Download
memory/1616-17-0x0000000002100000-0x0000000002111000-memory.dmp

Filesize
68KB

Download
memory/1616-18-0x000000006AB60000-0x000000006B24E000-memory.dmp

Filesize
6.9MB

Download
memory/1616-19-0x0000000002100000-0x000000000214D000-memory.dmp

Filesize
308KB

Download
memory/1616-20-0x0000000002150000-0x000000000219C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads