modiloader | 39c121da842e51e9dd114bd36badbf3b2d818bc7072416d112f475d9320019c8

Analysis

max time kernel
143s
max time network
147s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
28-06-2024 13:38

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General

Target

1a53f732245b2804cc6c1619b2dd71bd_JaffaCakes118.exe
Size

243KB
MD5

1a53f732245b2804cc6c1619b2dd71bd
SHA1

49d52cd86d4afaaf3bd1c49e25302a5a69635359
SHA256

39c121da842e51e9dd114bd36badbf3b2d818bc7072416d112f475d9320019c8
SHA512

1611b4d533ab2433d38ce37793f027172f32e377326a8f86b17f7f395b99f3d669bf98ddcae6f31bb61fbb949fad30d7c6065f9348fc10cbff7fee5c71f99e12
SSDEEP

3072:iiBMdny04ybHTvtH0LLr79N2m+HueNd7DSKKZ6ufZr7UM3PhkvsaOYUgDGnkphw1:im8jZ7rvaU3+mW7NroSdp

Score

10^/10

modiloader evasion persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

mstwain32.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

ModiLoader Second Stage 15 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2044-47-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1156-54-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1156-57-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1156-60-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1156-63-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1156-66-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1156-70-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1156-73-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1156-76-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1156-79-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1156-82-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1156-85-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1156-88-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1156-91-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1156-94-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

p.exemstwain32.exe

pid process

2044 p.exe
1156 mstwain32.exe
Loads dropped DLL 3 IoCs

Processes:

1a53f732245b2804cc6c1619b2dd71bd_JaffaCakes118.exep.exe

pid process

3032 1a53f732245b2804cc6c1619b2dd71bd_JaffaCakes118.exe
3032 1a53f732245b2804cc6c1619b2dd71bd_JaffaCakes118.exe
2044 p.exe

pid	process
2044	p.exe
1156	mstwain32.exe

pid	process
3032	1a53f732245b2804cc6c1619b2dd71bd_JaffaCakes118.exe
3032	1a53f732245b2804cc6c1619b2dd71bd_JaffaCakes118.exe
2044	p.exe

UPX packed file 18 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\p.exe	upx
behavioral1/memory/2044-25-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-48-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2044-47-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-54-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-57-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-60-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-63-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-66-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-70-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-73-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-76-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-79-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-82-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-85-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-88-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-91-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1156-94-0x0000000000400000-0x0000000000451000-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:

mstwain32.exe

description ioc process

Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe"	mstwain32.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

p.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	p.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

Drops file in Windows directory 4 IoCs

Processes:

p.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	p.exe
File opened for modification	C:\Windows\mstwain32.exe	p.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

p.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	2044	p.exe
Token: SeBackupPrivilege	2584	vssvc.exe
Token: SeRestorePrivilege	2584	vssvc.exe
Token: SeAuditPrivilege	2584	vssvc.exe
Token: SeDebugPrivilege	1156	mstwain32.exe
Token: SeDebugPrivilege	1156	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

1156 mstwain32.exe
1156 mstwain32.exe

pid	process
1156	mstwain32.exe
1156	mstwain32.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1a53f732245b2804cc6c1619b2dd71bd_JaffaCakes118.exep.exe

description	pid	process	target process
PID 3032 wrote to memory of 2044	3032	1a53f732245b2804cc6c1619b2dd71bd_JaffaCakes118.exe	p.exe
PID 3032 wrote to memory of 2044	3032	1a53f732245b2804cc6c1619b2dd71bd_JaffaCakes118.exe	p.exe
PID 3032 wrote to memory of 2044	3032	1a53f732245b2804cc6c1619b2dd71bd_JaffaCakes118.exe	p.exe
PID 3032 wrote to memory of 2044	3032	1a53f732245b2804cc6c1619b2dd71bd_JaffaCakes118.exe	p.exe
PID 2044 wrote to memory of 1156	2044	p.exe	mstwain32.exe
PID 2044 wrote to memory of 1156	2044	p.exe	mstwain32.exe
PID 2044 wrote to memory of 1156	2044	p.exe	mstwain32.exe
PID 2044 wrote to memory of 1156	2044	p.exe	mstwain32.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

mstwain32.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

C:\Users\Admin\AppData\Local\Temp\1a53f732245b2804cc6c1619b2dd71bd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a53f732245b2804cc6c1619b2dd71bd_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3032

C:\Users\Admin\AppData\Local\Temp\p.exe
"C:\Users\Admin\AppData\Local\Temp\p.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2044

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe"
3⤵
- UAC bypass
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:1156

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2584

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\AVSCAN-20111130-120438-6D52CEE6.exe
Filesize
15KB

MD5
29be14c53687eb758bf29ae0d61957ab

SHA1
757ec8087e01b18a59a38afe1d67ed7595e1d584

SHA256
73256eb5de9d1b31f00c5b66f01dee42de536b6a66afd0168cffd63fd7d414df

SHA512
d4df28e6849fda5dfaee90ec202e211542ca3f96610f7b8a74d466f733c9794c687a77c5c979d9a5e0e03d5dc43d60307a06ee0bfc3f2aa80a1a69bd9fc1a2a9

Download Submit
\Users\Admin\AppData\Local\Temp\p.exe
Filesize
111KB

MD5
d417c2433ba065ec886c9f6a3d4584cb

SHA1
a61cc10599ea5048087bb83be95fdce9686a0562

SHA256
7ba8b5433cdf259563342d9e3f651610d276cc73fffe7788d43a5f715e27eaeb

SHA512
d116265414c684b17fb9d2adc1a68a9240e789cf45d86762f398b6ad805ed15c75d0ba47982aef3c3c89091d5106cc92b8d470d20c5109353533b1e658aff2cd

Download Submit
memory/1156-79-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1156-57-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1156-63-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1156-48-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1156-88-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1156-52-0x00000000007A0000-0x00000000007AE000-memory.dmp

Filesize
56KB

Download
memory/1156-55-0x00000000002C0000-0x00000000002C8000-memory.dmp

Filesize
32KB

Download
memory/1156-56-0x00000000007A0000-0x00000000007AE000-memory.dmp

Filesize
56KB

Download
memory/1156-66-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1156-91-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1156-94-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1156-85-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1156-54-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1156-70-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1156-73-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1156-76-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1156-60-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1156-82-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2044-25-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2044-47-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3032-23-0x00000000024B0000-0x0000000002501000-memory.dmp

Filesize
324KB

Download
memory/3032-24-0x00000000024B0000-0x0000000002501000-memory.dmp

Filesize
324KB

Download