modiloader | 1a44c7aaab3241a17b5eee3c8de4ad31529eef7fbdf0f4ac71d8487a37bbf194

General

Target

fcb384acff1cfd7e4e2a48b718e366af_JaffaCakes118.exe
Size

129KB
MD5

fcb384acff1cfd7e4e2a48b718e366af
SHA1

2e32a791ec31fb5b0b48fa5e480be5ac7de6b211
SHA256

1a44c7aaab3241a17b5eee3c8de4ad31529eef7fbdf0f4ac71d8487a37bbf194
SHA512

0529c9f71b2af92a446997f851088f87a88791aa1799516f3023e52943376c7fb936e6a0f1f274025a75cb6d08314379c4c8a2e83a4ca3846538138b70e79764
SSDEEP

1536:pbVUj1vrDLyUXhB/qRPJC08fqhGulxEuroRMx6oLtGztaI42aqS004Aaia8NYxcj:zO1jywv/iP3cjMNGBaIos04AaiFNOhg

Score

10^/10

modiloader discovery evasion trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
modiloader

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/2300-16-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
2300	Decrypted.exe

Loads dropped DLL 2 IoCs

pid	Process
2728	fcb384acff1cfd7e4e2a48b718e366af_JaffaCakes118.exe
2728	fcb384acff1cfd7e4e2a48b718e366af_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Decrypted.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000012117-4.dat	upx
behavioral1/memory/2300-13-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2300-16-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.exe	Decrypted.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Decrypted.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fcb384acff1cfd7e4e2a48b718e366af_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	Decrypted.exe
Token: SeBackupPrivilege	2120	vssvc.exe
Token: SeRestorePrivilege	2120	vssvc.exe
Token: SeAuditPrivilege	2120	vssvc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2300	Decrypted.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2728	fcb384acff1cfd7e4e2a48b718e366af_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2300	2728	fcb384acff1cfd7e4e2a48b718e366af_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2300	2728	fcb384acff1cfd7e4e2a48b718e366af_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2300	2728	fcb384acff1cfd7e4e2a48b718e366af_JaffaCakes118.exe	31
PID 2728 wrote to memory of 2300	2728	fcb384acff1cfd7e4e2a48b718e366af_JaffaCakes118.exe	31

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\fcb384acff1cfd7e4e2a48b718e366af_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fcb384acff1cfd7e4e2a48b718e366af_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Users\Admin\AppData\Local\Temp\Decrypted.exe
  "C:\Users\Admin\AppData\Local\Temp\Decrypted.exe"
  2⤵
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:2300

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\Decrypted.exe

Filesize
109KB

MD5
23a2df9e6ed91a2ba64069e9f73c20e0

SHA1
403ad5b7363f22d765f887cb63b04db8cede4d2f

SHA256
d4af3e43f84ba80a463cafabf7c0af356f5fddfa183d1fa495791ff14eec8fa9

SHA512
98b23730f288c7440badcc9e3156a0f5edbd48894cccb4621ff0405bfb7f73e495d33264752e67291b0af3b8d87a4cb6e0186abfd9664f3e628702f5e83f1480

Download Submit
memory/2300-13-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2300-14-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2300-15-0x0000000002400000-0x0000000002401000-memory.dmp

Filesize
4KB

Download
memory/2300-16-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2728-12-0x00000000030A0000-0x00000000030F0000-memory.dmp

Filesize
320KB

Download
memory/2728-11-0x00000000030A0000-0x00000000030F0000-memory.dmp

Filesize
320KB

Download

Analysis

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