modiloader | 28cc5c2821a69c7f41b9a7f433753039e846b5895f4bf642410516479122bda1

General

Target

f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe
Size

984KB
MD5

f9a7a0e483a9100717b198b22b148879
SHA1

a89d04e8e76317da9b7ed97609d97df2a36f8c93
SHA256

28cc5c2821a69c7f41b9a7f433753039e846b5895f4bf642410516479122bda1
SHA512

528f3ff4a18e61e63ea899e7910bcf4023398bf5b29d60263b1886fbd265b60e3fa1b8b29f415b9e99049994e6af270f576d0e547a7c8e48909ed4e50365030b
SSDEEP

24576:QIUwBgstkNcNydDrY286CyRdBVrAkICLQgfYXZ:vUwBSOyRY2lCyRdbc/CLQVp

Score

10^/10

modiloader discovery persistence 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 4 IoCs

resource	yara_rule
behavioral2/memory/4804-6-0x0000000000400000-0x000000000062D000-memory.dmp	modiloader_stage2
behavioral2/memory/1464-13-0x0000000000400000-0x000000000062D000-memory.dmp	modiloader_stage2
behavioral2/memory/4804-15-0x0000000000400000-0x000000000062D000-memory.dmp	modiloader_stage2
behavioral2/memory/1464-16-0x0000000000400000-0x000000000062D000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
4804	Y4UPX~1.EXE
1464	wyr360.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000e000000023b6f-3.dat	upx
behavioral2/memory/4804-4-0x0000000000400000-0x000000000062D000-memory.dmp	upx
behavioral2/memory/4804-6-0x0000000000400000-0x000000000062D000-memory.dmp	upx
behavioral2/memory/1464-13-0x0000000000400000-0x000000000062D000-memory.dmp	upx
behavioral2/memory/4804-15-0x0000000000400000-0x000000000062D000-memory.dmp	upx
behavioral2/memory/1464-16-0x0000000000400000-0x000000000062D000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\wyr360.exe	Y4UPX~1.EXE
File opened for modification	C:\Program Files\wyr360.exe	Y4UPX~1.EXE

Program crash 6 IoCs

pid	pid_target	Process	procid_target
1856	1464	WerFault.exe	83
532	1464	WerFault.exe	83
1720	1464	WerFault.exe	83
4468	1464	WerFault.exe	83
4312	1464	WerFault.exe	83
3080	1464	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 3 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	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Y4UPX~1.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wyr360.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 4804	1732	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe	82
PID 1732 wrote to memory of 4804	1732	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe	82
PID 1732 wrote to memory of 4804	1732	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe	82
PID 4804 wrote to memory of 1464	4804	Y4UPX~1.EXE	83
PID 4804 wrote to memory of 1464	4804	Y4UPX~1.EXE	83
PID 4804 wrote to memory of 1464	4804	Y4UPX~1.EXE	83

C:\Users\Admin\AppData\Local\Temp\f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Y4UPX~1.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Y4UPX~1.EXE
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4804
- - C:\Program Files\wyr360.exe
    "C:\Program Files\wyr360.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1464
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 772
      4⤵
      Program crash
      PID:1856
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 988
      4⤵
      Program crash
      PID:532
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 796
      4⤵
      Program crash
      PID:1720
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 804
      4⤵
      Program crash
      PID:4468
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 800
      4⤵
      Program crash
      PID:4312
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 960
      4⤵
      Program crash
      PID:3080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1464 -ip 1464
1⤵
PID:2184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1464 -ip 1464
1⤵
PID:5004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1464 -ip 1464
1⤵
PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1464 -ip 1464
1⤵
PID:392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1464 -ip 1464
1⤵
PID:5064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1464 -ip 1464
1⤵
PID:4556

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Y4UPX~1.EXE

Filesize
916KB

MD5
87f8f1ea4bae824471da7068ea2e84a9

SHA1
d7db0d7c842718cfd668a3603c9569113c2bede4

SHA256
0e716f62720fbb96c44e80bca6cefe0fc91d8247de8e6263b0f98adaece5bf63

SHA512
125b4800c4d444427c1b1bb35c1c57650abb7d94f75add36f447b41b1172286f197621c39cda976b045987ee5721c3db2e9fe935605224bece55823aae1ee779

Download Submit
memory/1464-13-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download
memory/1464-14-0x0000000000A40000-0x0000000000A41000-memory.dmp

Filesize
4KB

Download
memory/1464-16-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download
memory/1464-17-0x0000000000A40000-0x0000000000A41000-memory.dmp

Filesize
4KB

Download
memory/4804-4-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download
memory/4804-6-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download
memory/4804-7-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/4804-15-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads