modiloader | f1316532c633dddc4f42156ec50e019b755c9a128e0d7a788946d8e0b9e31adc

General

Target

42f491944de28a22641978b4e94b1a45_JaffaCakes118.exe
Size

308KB
MD5

42f491944de28a22641978b4e94b1a45
SHA1

806c3c7c72c2f3adbdf724d54fca89a291a06a85
SHA256

f1316532c633dddc4f42156ec50e019b755c9a128e0d7a788946d8e0b9e31adc
SHA512

2f049f11e72d439303106290799e27a8545125c0af1ae416e03f444753cbf5521979c9aa8e839186e408ba7dbd88884eb5c23a51529c98d61bc567d4b6888a6d
SSDEEP

6144:w1G377xS2Vp2CeiorXhwTBOdeWIY4Afm53wpcCJJvH:wYr7xS2Vp6FwTnWIYzTbJJvH

Score

10^/10

modiloader evasion persistence trojan

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 16 IoCs

Processes:

resource	yara_rule
C:\Windows\mstwain32.exe	modiloader_stage2
behavioral2/memory/3632-9-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-26-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-29-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-32-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-35-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-38-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-41-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-44-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-47-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-50-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-53-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-56-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-59-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-62-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2
behavioral2/memory/2296-65-0x0000000000400000-0x0000000000455000-memory.dmp	modiloader_stage2

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:

42f491944de28a22641978b4e94b1a45_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	42f491944de28a22641978b4e94b1a45_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

2296 mstwain32.exe
Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

2296 mstwain32.exe
2296 mstwain32.exe
2296 mstwain32.exe
2296 mstwain32.exe

pid	process
2296	mstwain32.exe

pid	process
2296	mstwain32.exe
2296	mstwain32.exe
2296	mstwain32.exe
2296	mstwain32.exe

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-1-5-21-1337824034-2731376981-3755436523-1000\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:

42f491944de28a22641978b4e94b1a45_JaffaCakes118.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	42f491944de28a22641978b4e94b1a45_JaffaCakes118.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:

42f491944de28a22641978b4e94b1a45_JaffaCakes118.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	42f491944de28a22641978b4e94b1a45_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	42f491944de28a22641978b4e94b1a45_JaffaCakes118.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:

42f491944de28a22641978b4e94b1a45_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	3632	42f491944de28a22641978b4e94b1a45_JaffaCakes118.exe
Token: SeBackupPrivilege	2300	vssvc.exe
Token: SeRestorePrivilege	2300	vssvc.exe
Token: SeAuditPrivilege	2300	vssvc.exe
Token: SeDebugPrivilege	2296	mstwain32.exe
Token: SeDebugPrivilege	2296	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

2296 mstwain32.exe
2296 mstwain32.exe

pid	process
2296	mstwain32.exe
2296	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

42f491944de28a22641978b4e94b1a45_JaffaCakes118.exe

description	pid	process	target process
PID 3632 wrote to memory of 2296	3632	42f491944de28a22641978b4e94b1a45_JaffaCakes118.exe	mstwain32.exe
PID 3632 wrote to memory of 2296	3632	42f491944de28a22641978b4e94b1a45_JaffaCakes118.exe	mstwain32.exe
PID 3632 wrote to memory of 2296	3632	42f491944de28a22641978b4e94b1a45_JaffaCakes118.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\42f491944de28a22641978b4e94b1a45_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\42f491944de28a22641978b4e94b1a45_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3632

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe"
2⤵
- UAC bypass
- Executes dropped EXE
- Loads dropped DLL
- 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:2296

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2300

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\cmsetac.dll
Filesize
33KB

MD5
4f61158d1c832a5e34e86d7daeaa808e

SHA1
f80bbfe3654fe21ffc66cdbdff0e39072443485b

SHA256
aef7d35a5cd2e5a6aaf7804d62ec7855162f4165582cc175774779a28453159f

SHA512
b5e043219702a625045d5df5258534f41d7cf296a5c281526cadcff52eda97f4076c74643ea92fb2539b52f84700d904d15cd2d6db2674f3fd143fa10ef8f41f

Download Submit
C:\Windows\mstwain32.exe
Filesize
308KB

MD5
42f491944de28a22641978b4e94b1a45

SHA1
806c3c7c72c2f3adbdf724d54fca89a291a06a85

SHA256
f1316532c633dddc4f42156ec50e019b755c9a128e0d7a788946d8e0b9e31adc

SHA512
2f049f11e72d439303106290799e27a8545125c0af1ae416e03f444753cbf5521979c9aa8e839186e408ba7dbd88884eb5c23a51529c98d61bc567d4b6888a6d

Download Submit
C:\Windows\ntdtcstp.dll
Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/2296-32-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2296-38-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2296-65-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2296-22-0x00000000028F0000-0x00000000028FE000-memory.dmp

Filesize
56KB

Download
memory/2296-25-0x00000000027A0000-0x00000000027A1000-memory.dmp

Filesize
4KB

Download
memory/2296-26-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2296-28-0x00000000028F0000-0x00000000028FE000-memory.dmp

Filesize
56KB

Download
memory/2296-27-0x00000000020F0000-0x00000000020F8000-memory.dmp

Filesize
32KB

Download
memory/2296-29-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2296-62-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2296-35-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2296-18-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/2296-41-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2296-44-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2296-47-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2296-50-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2296-53-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2296-56-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2296-59-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3632-0-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/3632-9-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads