modiloader | 2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080

Analysis

max time kernel
149s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 00:16

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General

Target

2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe
Size

348KB
MD5

e8e241226dbaedb679b3d460fa347d07
SHA1

c0e193184cc3425a816797567484df2923b73c1a
SHA256

2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080
SHA512

b5dc08603a21091b14591f2840daea94e6ef9d2ca39cd68ddc1597b1536b9d7af2d76229fe20809772a01e5fa44d009f6cc5d974fd0da357b7f67c963faba577
SSDEEP

6144:9QM1JNEHkOHHb/xKv3huj63yTVn3LRvO+S6f7bUtuh:uOJNUkOcYjag3hO+S6f7b/

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\FolderName\\file.exe"	reg.exe

ModiLoader Second Stage 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1448-76-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1448-77-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/940-91-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

Processes:

tmp.exe.exeAdobeART.exe

pid process

940 tmp.exe
1448 .exe
1784 AdobeART.exe

pid	process
940	tmp.exe
1448	.exe
1784	AdobeART.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\tmp.exe	upx
\Users\Admin\AppData\Local\Temp\tmp.exe	upx
C:\Users\Admin\AppData\Local\Temp\tmp.exe	upx
behavioral1/memory/1448-66-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1448-68-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1448-69-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1448-75-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1448-76-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1448-77-0x0000000000400000-0x0000000000414000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\tmp.exe	upx
behavioral1/memory/940-91-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Loads dropped DLL 4 IoCs

Processes:

2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe.exe

pid	process
1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe
1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe
1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe
1448	.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tmp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeART = "C:\\Users\\Admin\\AppData\\Roaming\\AdobeART.exe"	tmp.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe

description pid process target process

PID 1612 set thread context of 1448 1612 2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe .exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 1612 set thread context of 1448	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe

pid	process
1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe
1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe
1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe
1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe
1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe

description	pid	process
Token: SeDebugPrivilege	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe
Token: 33	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe
Token: SeIncBasePriorityPrivilege	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.execmd.exe.exewscript.execmd.exe

description	pid	process	target process
PID 1612 wrote to memory of 1708	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	cmd.exe
PID 1612 wrote to memory of 1708	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	cmd.exe
PID 1612 wrote to memory of 1708	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	cmd.exe
PID 1612 wrote to memory of 1708	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	cmd.exe
PID 1708 wrote to memory of 1940	1708	cmd.exe	wscript.exe
PID 1708 wrote to memory of 1940	1708	cmd.exe	wscript.exe
PID 1708 wrote to memory of 1940	1708	cmd.exe	wscript.exe
PID 1708 wrote to memory of 1940	1708	cmd.exe	wscript.exe
PID 1612 wrote to memory of 940	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	tmp.exe
PID 1612 wrote to memory of 940	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	tmp.exe
PID 1612 wrote to memory of 940	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	tmp.exe
PID 1612 wrote to memory of 940	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	tmp.exe
PID 1612 wrote to memory of 1448	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	.exe
PID 1612 wrote to memory of 1448	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	.exe
PID 1612 wrote to memory of 1448	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	.exe
PID 1612 wrote to memory of 1448	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	.exe
PID 1612 wrote to memory of 1448	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	.exe
PID 1612 wrote to memory of 1448	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	.exe
PID 1612 wrote to memory of 1448	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	.exe
PID 1612 wrote to memory of 1448	1612	2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe	.exe
PID 1448 wrote to memory of 1784	1448	.exe	AdobeART.exe
PID 1448 wrote to memory of 1784	1448	.exe	AdobeART.exe
PID 1448 wrote to memory of 1784	1448	.exe	AdobeART.exe
PID 1448 wrote to memory of 1784	1448	.exe	AdobeART.exe
PID 1940 wrote to memory of 1464	1940	wscript.exe	cmd.exe
PID 1940 wrote to memory of 1464	1940	wscript.exe	cmd.exe
PID 1940 wrote to memory of 1464	1940	wscript.exe	cmd.exe
PID 1940 wrote to memory of 1464	1940	wscript.exe	cmd.exe
PID 1464 wrote to memory of 1408	1464	cmd.exe	reg.exe
PID 1464 wrote to memory of 1408	1464	cmd.exe	reg.exe
PID 1464 wrote to memory of 1408	1464	cmd.exe	reg.exe
PID 1464 wrote to memory of 1408	1464	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe
"C:\Users\Admin\AppData\Local\Temp\2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\FolderName\mata.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\SysWOW64\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\FolderName\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\FolderName\mata2.bat"
3⤵
- Suspicious use of WriteProcessMemory
PID:1940

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\FolderName\mata2.bat" "
4⤵
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Shell /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderName\file.exe" /f
5⤵
- Modifies WinLogon for persistence
PID:1408

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:940

C:\Users\Admin\AppData\Local\Temp\.exe
C:\Users\Admin\AppData\Local\Temp\.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1448

C:\Users\Admin\AppData\Roaming\AdobeART.exe
"C:\Users\Admin\AppData\Roaming\AdobeART.exe"
3⤵
- Executes dropped EXE
PID:1784

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\.exe
Filesize
52KB

MD5
278edbd499374bf73621f8c1f969d894

SHA1
a81170af14747781c5f5f51bb1215893136f0bc0

SHA256
c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

SHA512
93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\.exe
Filesize
52KB

MD5
278edbd499374bf73621f8c1f969d894

SHA1
a81170af14747781c5f5f51bb1215893136f0bc0

SHA256
c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

SHA512
93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\FolderName\file.exe
Filesize
348KB

MD5
e8e241226dbaedb679b3d460fa347d07

SHA1
c0e193184cc3425a816797567484df2923b73c1a

SHA256
2bf25cedadf332c7c704b35eebd78182f8f35b85d77a110dfb62c7761ab81080

SHA512
b5dc08603a21091b14591f2840daea94e6ef9d2ca39cd68ddc1597b1536b9d7af2d76229fe20809772a01e5fa44d009f6cc5d974fd0da357b7f67c963faba577

Download Submit
C:\Users\Admin\AppData\Local\Temp\FolderName\invs.vbs
Filesize
78B

MD5
c578d9653b22800c3eb6b6a51219bbb8

SHA1
a97aa251901bbe179a48dbc7a0c1872e163b1f2d

SHA256
20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

SHA512
3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\FolderName\mata.bat
Filesize
70B

MD5
23f72401196919748c14cb64c1d55c3b

SHA1
869e3809cb4391e6f5aee5349a871e40a1e1fb22

SHA256
d09c4054568f89c5de2bd9bae9cbcbcb3ef2dda9a9ded0153e29da26dc405d11

SHA512
2ab844717c31c4819d8773d7604dfc831e950ae9e38fe311acf8178d46f39fafb54b448ebb6b9cf5d1edd47ed36eae11d649c1be346b0a35d380dd07101c79f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\FolderName\mata2.bat
Filesize
264B

MD5
97dfcf34d96b3587305d76f1341ee47a

SHA1
fb23bb7801ea88f843f34c4c5dd06b8cdde79bad

SHA256
c739644b2cbc2a4b14049df16434ea85d14ce0898079f21d509f24973c6f5f0b

SHA512
285275c3eadcebd2ca2a116c5b691a56d9748340f4327b13b74bf7a9873f5ce8fa75e7d7cb30ed7186525a11aac7beff88dff39fac8a70f454eb4fc16d63520a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp.exe
Filesize
18KB

MD5
ab4edd31c6822842b2187a9042a58523

SHA1
c330f2160fa0c8b373322c154faffdd058364031

SHA256
f70efbef06ab6384bbf3550109cc0db3ba68791d1534763c7389d7f2c37bdf73

SHA512
423eca1f366b3904a30e32083adba30a77d23cd3cbe1374fff7097f8910daf75b45afa14671f7a60be9e3d385a492c9fce765341c1e4667279b058dd74162a34

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp.exe
Filesize
18KB

MD5
ab4edd31c6822842b2187a9042a58523

SHA1
c330f2160fa0c8b373322c154faffdd058364031

SHA256
f70efbef06ab6384bbf3550109cc0db3ba68791d1534763c7389d7f2c37bdf73

SHA512
423eca1f366b3904a30e32083adba30a77d23cd3cbe1374fff7097f8910daf75b45afa14671f7a60be9e3d385a492c9fce765341c1e4667279b058dd74162a34

Download Submit
C:\Users\Admin\AppData\Roaming\AdobeART.exe
Filesize
52KB

MD5
278edbd499374bf73621f8c1f969d894

SHA1
a81170af14747781c5f5f51bb1215893136f0bc0

SHA256
c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

SHA512
93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

Download Submit
C:\Users\Admin\AppData\Roaming\AdobeART.exe
Filesize
52KB

MD5
278edbd499374bf73621f8c1f969d894

SHA1
a81170af14747781c5f5f51bb1215893136f0bc0

SHA256
c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

SHA512
93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

Download Submit
\Users\Admin\AppData\Local\Temp\.exe
Filesize
52KB

MD5
278edbd499374bf73621f8c1f969d894

SHA1
a81170af14747781c5f5f51bb1215893136f0bc0

SHA256
c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

SHA512
93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

Download Submit
\Users\Admin\AppData\Local\Temp\tmp.exe
Filesize
18KB

MD5
ab4edd31c6822842b2187a9042a58523

SHA1
c330f2160fa0c8b373322c154faffdd058364031

SHA256
f70efbef06ab6384bbf3550109cc0db3ba68791d1534763c7389d7f2c37bdf73

SHA512
423eca1f366b3904a30e32083adba30a77d23cd3cbe1374fff7097f8910daf75b45afa14671f7a60be9e3d385a492c9fce765341c1e4667279b058dd74162a34

Download Submit
\Users\Admin\AppData\Local\Temp\tmp.exe
Filesize
18KB

MD5
ab4edd31c6822842b2187a9042a58523

SHA1
c330f2160fa0c8b373322c154faffdd058364031

SHA256
f70efbef06ab6384bbf3550109cc0db3ba68791d1534763c7389d7f2c37bdf73

SHA512
423eca1f366b3904a30e32083adba30a77d23cd3cbe1374fff7097f8910daf75b45afa14671f7a60be9e3d385a492c9fce765341c1e4667279b058dd74162a34

Download Submit
\Users\Admin\AppData\Roaming\AdobeART.exe
Filesize
52KB

MD5
278edbd499374bf73621f8c1f969d894

SHA1
a81170af14747781c5f5f51bb1215893136f0bc0

SHA256
c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

SHA512
93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

Download Submit
memory/940-61-0x0000000000000000-mapping.dmp

Download
memory/940-91-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1408-93-0x0000000000000000-mapping.dmp

Download
memory/1448-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1448-65-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1448-77-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1448-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1448-70-0x0000000000412D20-mapping.dmp

Download
memory/1448-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1448-84-0x000000000040F000-0x0000000000413000-memory.dmp

Filesize
16KB

Download
memory/1448-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1448-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1464-86-0x0000000000000000-mapping.dmp

Download
memory/1612-54-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/1612-89-0x0000000000AF0000-0x0000000000B04000-memory.dmp

Filesize
80KB

Download
memory/1612-90-0x0000000000AF0000-0x0000000000B04000-memory.dmp

Filesize
80KB

Download
memory/1612-55-0x00000000748B0000-0x0000000074E5B000-memory.dmp

Filesize
5.7MB

Download
memory/1612-96-0x00000000748B0000-0x0000000074E5B000-memory.dmp

Filesize
5.7MB

Download
memory/1708-56-0x0000000000000000-mapping.dmp

Download
memory/1784-82-0x0000000000000000-mapping.dmp

Download
memory/1784-92-0x00000000748B0000-0x0000000074E5B000-memory.dmp

Filesize
5.7MB

Download
memory/1784-94-0x00000000748B0000-0x0000000074E5B000-memory.dmp

Filesize
5.7MB

Download
memory/1940-58-0x0000000000000000-mapping.dmp

Download