modiloader | 09c191d26752cef42dfad6df6379de78b82e9ce4ca4be75603399f6d08fd107b

General

Target

d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe
Size

311KB
MD5

d448fa3563da125b99e5d4cf64603e35
SHA1

4ce9161761a2e03314d19ef695459e9d1698c340
SHA256

09c191d26752cef42dfad6df6379de78b82e9ce4ca4be75603399f6d08fd107b
SHA512

64a7af6a69b1dee2a7575feafb2392494dc2497bcf819d24897418591dcc853a468b0497d8966526ff49a518a2ac5a8fdbb6a1c0d9158e9eeee6f7b009152107
SSDEEP

6144:gGyjnBSkuV1d4eZd88ORJIf/wTBt53ovpcNQAoS:LYnBSkuVUeZdYqwTeCoS

Score

10^/10

modiloader discovery 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

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

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/3556-0-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/files/0x000400000001e0fb-6.dat	modiloader_stage2
behavioral2/memory/3556-12-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/1348-28-0x0000000000400000-0x000000000044F000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1348	mstwain32.exe

Executes dropped EXE 1 IoCs

pid	Process
1348	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
1348	mstwain32.exe
1348	mstwain32.exe
1348	mstwain32.exe
1348	mstwain32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3556-0-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/files/0x000400000001e0fb-6.dat	upx
behavioral2/memory/3556-12-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/1348-28-0x0000000000400000-0x000000000044F000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	d448fa3563da125b99e5d4cf64603e35_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

description	ioc	Process
File created	C:\Windows\mstwain32.exe	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	d448fa3563da125b99e5d4cf64603e35_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

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	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3556	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe
Token: SeBackupPrivilege	2636	vssvc.exe
Token: SeRestorePrivilege	2636	vssvc.exe
Token: SeAuditPrivilege	2636	vssvc.exe
Token: SeDebugPrivilege	1348	mstwain32.exe
Token: SeDebugPrivilege	1348	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3556	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1348	mstwain32.exe
1348	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 1348	3556	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe	97
PID 3556 wrote to memory of 1348	3556	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe	97
PID 3556 wrote to memory of 1348	3556	d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe	97

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Temp\d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\d448fa3563da125b99e5d4cf64603e35_JaffaCakes118.exe"
  2⤵
  - UAC bypass
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:1348

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2636

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3924,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:8
1⤵
PID:4112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\cmsetac.dll

Filesize
32KB

MD5
b60ef7099cf02f1fba4164b5830e36a5

SHA1
958d1c608099d87b469e5d64e27d3d56631f1b9c

SHA256
ea294f4edb988d4a4ea3b41485b11ddae96218b2890d3ad773ea9232e3845166

SHA512
3579cd6d6e2e3f9b78a42ba1c1d95a2fc22339eba419db1fb8ebbee7727d8deef69b2dd126b8cc82aeed9286ae796851e856769857faf2468c0062e7c7bb6a15

Download Submit
C:\Windows\mstwain32.exe

Filesize
311KB

MD5
d448fa3563da125b99e5d4cf64603e35

SHA1
4ce9161761a2e03314d19ef695459e9d1698c340

SHA256
09c191d26752cef42dfad6df6379de78b82e9ce4ca4be75603399f6d08fd107b

SHA512
64a7af6a69b1dee2a7575feafb2392494dc2497bcf819d24897418591dcc853a468b0497d8966526ff49a518a2ac5a8fdbb6a1c0d9158e9eeee6f7b009152107

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1348-20-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/1348-24-0x00000000028E0000-0x00000000028EE000-memory.dmp

Filesize
56KB

Download
memory/1348-27-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/1348-28-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1348-29-0x0000000002230000-0x0000000002238000-memory.dmp

Filesize
32KB

Download
memory/1348-30-0x00000000028E0000-0x00000000028EE000-memory.dmp

Filesize
56KB

Download
memory/3556-0-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3556-1-0x0000000000A30000-0x0000000000A31000-memory.dmp

Filesize
4KB

Download
memory/3556-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads