modiloader | 70a668f140a46c053452815ea1376b7eaadec8a442f02e8173d0e3b6fa304072

General

Target

fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe
Size

228KB
MD5

fb0bb360d584db7f5957950c92f9a891
SHA1

8a4bb3d44723c985a9159af5e571bc07e8e8f7fe
SHA256

70a668f140a46c053452815ea1376b7eaadec8a442f02e8173d0e3b6fa304072
SHA512

62e450de71755b54af3460950eef429d2cd6a2db94a951e2e8113267c526b92a53ca5d530e65d08257a2f1bc4479362c229804aa9c138228e58a1cbf52128af1
SSDEEP

6144:GKEJlynW7xSWeQGpwSjy0fPkOO7mhCP5XL:MJlyneSWfSwghfpEPPlL

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 6 IoCs

resource	yara_rule
behavioral1/memory/2704-11-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2704-10-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2172-31-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2172-30-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2172-33-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2172-42-0x0000000075150000-0x0000000075240000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
1640	mstwain32.exe
2172	mstwain32.exe

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-1-5-21-1488793075-819845221-1497111674-1000\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 2704	2672	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe	30
PID 1640 set thread context of 2172	1640	mstwain32.exe	35

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2704-3-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2704-6-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2704-2-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2704-9-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2704-11-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2704-10-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2172-31-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2172-30-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2172-29-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2172-33-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2172-41-0x0000000075150000-0x0000000075240000-memory.dmp	upx
behavioral1/memory/2172-42-0x0000000075150000-0x0000000075240000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	fb0bb360d584db7f5957950c92f9a891_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 4 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	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe
Token: SeBackupPrivilege	2796	vssvc.exe
Token: SeRestorePrivilege	2796	vssvc.exe
Token: SeAuditPrivilege	2796	vssvc.exe
Token: SeDebugPrivilege	2172	mstwain32.exe
Token: SeDebugPrivilege	2172	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2172	mstwain32.exe
2172	mstwain32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2704	2672	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe	30
PID 2672 wrote to memory of 2704	2672	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe	30
PID 2672 wrote to memory of 2704	2672	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe	30
PID 2672 wrote to memory of 2704	2672	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe	30
PID 2672 wrote to memory of 2704	2672	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe	30
PID 2672 wrote to memory of 2704	2672	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe	30
PID 2672 wrote to memory of 2704	2672	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe	30
PID 2672 wrote to memory of 2704	2672	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe	30
PID 2704 wrote to memory of 1640	2704	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe	34
PID 2704 wrote to memory of 1640	2704	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe	34
PID 2704 wrote to memory of 1640	2704	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe	34
PID 2704 wrote to memory of 1640	2704	fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe	34
PID 1640 wrote to memory of 2172	1640	mstwain32.exe	35
PID 1640 wrote to memory of 2172	1640	mstwain32.exe	35
PID 1640 wrote to memory of 2172	1640	mstwain32.exe	35
PID 1640 wrote to memory of 2172	1640	mstwain32.exe	35
PID 1640 wrote to memory of 2172	1640	mstwain32.exe	35
PID 1640 wrote to memory of 2172	1640	mstwain32.exe	35
PID 1640 wrote to memory of 2172	1640	mstwain32.exe	35
PID 1640 wrote to memory of 2172	1640	mstwain32.exe	35

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\fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Local\Temp\fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\fb0bb360d584db7f5957950c92f9a891_JaffaCakes118.exe
  2⤵
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1640
  - - C:\Windows\mstwain32.exe
      C:\Windows\mstwain32.exe
      4⤵
      UAC bypass
      Executes dropped EXE
      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:2172

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2796

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

System Information Discovery

2

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\mstwain32.exe

Filesize
228KB

MD5
fb0bb360d584db7f5957950c92f9a891

SHA1
8a4bb3d44723c985a9159af5e571bc07e8e8f7fe

SHA256
70a668f140a46c053452815ea1376b7eaadec8a442f02e8173d0e3b6fa304072

SHA512
62e450de71755b54af3460950eef429d2cd6a2db94a951e2e8113267c526b92a53ca5d530e65d08257a2f1bc4479362c229804aa9c138228e58a1cbf52128af1

Download Submit
memory/1640-32-0x0000000010000000-0x0000000010023000-memory.dmp

Filesize
140KB

Download
memory/2172-37-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2172-40-0x0000000075160000-0x0000000075161000-memory.dmp

Filesize
4KB

Download
memory/2172-45-0x0000000075150000-0x0000000075240000-memory.dmp

Filesize
960KB

Download
memory/2172-44-0x00000000005C0000-0x00000000005CE000-memory.dmp

Filesize
56KB

Download
memory/2172-43-0x00000000004C0000-0x00000000004C8000-memory.dmp

Filesize
32KB

Download
memory/2172-42-0x0000000075150000-0x0000000075240000-memory.dmp

Filesize
960KB

Download
memory/2172-41-0x0000000075150000-0x0000000075240000-memory.dmp

Filesize
960KB

Download
memory/2172-38-0x00000000005C0000-0x00000000005CE000-memory.dmp

Filesize
56KB

Download
memory/2172-33-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2172-31-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2172-30-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2172-29-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2672-7-0x0000000010000000-0x0000000010023000-memory.dmp

Filesize
140KB

Download
memory/2704-3-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2704-6-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2704-10-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2704-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-11-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2704-9-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2704-1-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2704-2-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads