modiloader | 9e1765cb1ff7d8d337abc21176419d4fcb3c6e0f887d7a4464f049a0ea76b616

General

Target

de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.exe
Size

185KB
MD5

de2cc2c1665078c2e9505f0a2023d8d3
SHA1

d391d6ac173f63ab0f2769de363e3f2c31aed53d
SHA256

9e1765cb1ff7d8d337abc21176419d4fcb3c6e0f887d7a4464f049a0ea76b616
SHA512

dc5494fd8259553d839c832c6cc4be238c1d3a0d2d0f8c04dcf19a9f5123a5ce5d5ad8ee3a90c4c6d77d02a57e2b13c20396e6789cc52c1c0a1fc98b04c940e8
SSDEEP

3072:kOy1kVJFtm0xshpYsrXUsdKF6aNo9Bf+Zh6eTDZQncuXfA5HRTSgI:kh12jsvYsrdKF62o3GZh6eTWtXfCo

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 26 IoCs

resource	yara_rule
behavioral2/memory/4980-8-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4980-9-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4980-10-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4980-24-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-34-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-35-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-42-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-48-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-49-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-50-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-51-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-52-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-55-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-56-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-59-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-62-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-65-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-68-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-71-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-74-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-77-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-80-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-83-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-86-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-89-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/1516-92-0x0000000000400000-0x0000000000450000-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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.EXE

Executes dropped EXE 2 IoCs

pid	Process
3312	mstwain32.exe
1516	mstwain32.EXE

Loads dropped DLL 4 IoCs

pid	Process
1516	mstwain32.EXE
1516	mstwain32.EXE
1516	mstwain32.EXE
1516	mstwain32.EXE

UPX packed file 30 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4980-3-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4980-5-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4980-8-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4980-9-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4980-10-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4980-24-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-30-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-33-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-34-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-35-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-42-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-48-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-49-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-50-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-51-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-52-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-55-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-56-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-59-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-62-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-65-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-68-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-71-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-74-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-77-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-80-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-83-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-86-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-89-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/1516-92-0x0000000000400000-0x0000000000450000-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-1-5-21-2392887640-1187051047-2909758433-1000\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	de2cc2c1665078c2e9505f0a2023d8d3_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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1020 set thread context of 4980	1020	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.exe	86
PID 3312 set thread context of 1516	3312	mstwain32.exe	93

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mstwain32.EXE	mstwain32.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.EXE
File created	C:\Windows\cmsetac.dll	mstwain32.EXE
File created	C:\Windows\mstwain32.exe	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.EXE
File opened for modification	C:\Windows\mstwain32.exe	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.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	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de2cc2c1665078c2e9505f0a2023d8d3_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 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4980	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.EXE
Token: SeDebugPrivilege	1516	mstwain32.EXE
Token: SeDebugPrivilege	1516	mstwain32.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1020	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.exe
3312	mstwain32.exe
1516	mstwain32.EXE
1516	mstwain32.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1020 wrote to memory of 4980	1020	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.exe	86
PID 1020 wrote to memory of 4980	1020	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.exe	86
PID 1020 wrote to memory of 4980	1020	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.exe	86
PID 1020 wrote to memory of 4980	1020	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.exe	86
PID 1020 wrote to memory of 4980	1020	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.exe	86
PID 1020 wrote to memory of 4980	1020	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.exe	86
PID 1020 wrote to memory of 4980	1020	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.exe	86
PID 1020 wrote to memory of 4980	1020	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.exe	86
PID 4980 wrote to memory of 3312	4980	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.EXE	91
PID 4980 wrote to memory of 3312	4980	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.EXE	91
PID 4980 wrote to memory of 3312	4980	de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.EXE	91
PID 3312 wrote to memory of 1516	3312	mstwain32.exe	93
PID 3312 wrote to memory of 1516	3312	mstwain32.exe	93
PID 3312 wrote to memory of 1516	3312	mstwain32.exe	93
PID 3312 wrote to memory of 1516	3312	mstwain32.exe	93
PID 3312 wrote to memory of 1516	3312	mstwain32.exe	93
PID 3312 wrote to memory of 1516	3312	mstwain32.exe	93
PID 3312 wrote to memory of 1516	3312	mstwain32.exe	93
PID 3312 wrote to memory of 1516	3312	mstwain32.exe	93

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

C:\Users\Admin\AppData\Local\Temp\de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1020
- C:\Users\Admin\AppData\Local\Temp\de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.EXE
  "C:\Users\Admin\AppData\Local\Temp\de2cc2c1665078c2e9505f0a2023d8d3_JaffaCakes118.EXE"
  2⤵
  - 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 WriteProcessMemory
  PID:4980
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3312
  - - C:\Windows\mstwain32.EXE
      "C:\Windows\mstwain32.EXE"
      4⤵
      UAC bypass
      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:1516

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

Replay Monitor

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Downloads

C:\Windows\cmsetac.dll

Filesize
33KB

MD5
7fb4dced41d583ac4e9c5819f835f413

SHA1
c0bc90cb65fa13cbdb4bfa3ea8aa5b1e50b6b8b2

SHA256
75069a14969059c32c02d12c74b57f072e0e791ebf83844bf08e74f949d50ffe

SHA512
b176819d2341c75d3cc7dbae0f1d824d26a0aec9608c228e01734d1a855e37bad5a22d32529ccc0caf3da7bc3e32b2315698bf1dae7966a930231daee32db8bd

Download Submit
C:\Windows\mstwain32.exe

Filesize
185KB

MD5
de2cc2c1665078c2e9505f0a2023d8d3

SHA1
d391d6ac173f63ab0f2769de363e3f2c31aed53d

SHA256
9e1765cb1ff7d8d337abc21176419d4fcb3c6e0f887d7a4464f049a0ea76b616

SHA512
dc5494fd8259553d839c832c6cc4be238c1d3a0d2d0f8c04dcf19a9f5123a5ce5d5ad8ee3a90c4c6d77d02a57e2b13c20396e6789cc52c1c0a1fc98b04c940e8

Download Submit
C:\Windows\ntdtcstp.dll

Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1020-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1020-7-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1516-48-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-68-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-92-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-89-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-30-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-86-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-33-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-34-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-35-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-83-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-42-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-80-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-46-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/1516-77-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-49-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-50-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-51-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-52-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-55-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-54-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/1516-53-0x0000000000630000-0x0000000000638000-memory.dmp

Filesize
32KB

Download
memory/1516-56-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-65-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-74-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1516-71-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3312-32-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4980-10-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4980-3-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4980-5-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4980-8-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4980-24-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4980-9-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads