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
behavioral1/memory/3056-8-0x0000000000400000-0x000000000062D000-memory.dmp	modiloader_stage2
behavioral1/memory/2132-20-0x0000000000400000-0x000000000062D000-memory.dmp	modiloader_stage2
behavioral1/memory/3056-21-0x0000000000400000-0x000000000062D000-memory.dmp	modiloader_stage2
behavioral1/memory/2132-22-0x0000000000400000-0x000000000062D000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
3056	Y4UPX~1.EXE
2132	wyr360.exe

Loads dropped DLL 2 IoCs

pid	Process
3056	Y4UPX~1.EXE
2132	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 \"F:\\msdownld.tmp\\IXP000.TMP\\\""	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe

Enumerates connected drives 3 TTPs 3 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\A:	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe
File opened (read-only)	\??\B:	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe
File opened (read-only)	\??\E:	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0002000000000028-4.dat	upx
behavioral1/memory/3056-7-0x0000000000400000-0x000000000062D000-memory.dmp	upx
behavioral1/memory/3056-8-0x0000000000400000-0x000000000062D000-memory.dmp	upx
behavioral1/memory/3056-14-0x00000000032F0000-0x000000000351D000-memory.dmp	upx
behavioral1/memory/2132-18-0x0000000000400000-0x000000000062D000-memory.dmp	upx
behavioral1/memory/2132-20-0x0000000000400000-0x000000000062D000-memory.dmp	upx
behavioral1/memory/3056-21-0x0000000000400000-0x000000000062D000-memory.dmp	upx
behavioral1/memory/2132-22-0x0000000000400000-0x000000000062D000-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

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 14 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 3056	2384	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe	30
PID 2384 wrote to memory of 3056	2384	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe	30
PID 2384 wrote to memory of 3056	2384	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe	30
PID 2384 wrote to memory of 3056	2384	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe	30
PID 2384 wrote to memory of 3056	2384	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe	30
PID 2384 wrote to memory of 3056	2384	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe	30
PID 2384 wrote to memory of 3056	2384	f9a7a0e483a9100717b198b22b148879_JaffaCakes118.exe	30
PID 3056 wrote to memory of 2132	3056	Y4UPX~1.EXE	31
PID 3056 wrote to memory of 2132	3056	Y4UPX~1.EXE	31
PID 3056 wrote to memory of 2132	3056	Y4UPX~1.EXE	31
PID 3056 wrote to memory of 2132	3056	Y4UPX~1.EXE	31
PID 3056 wrote to memory of 2132	3056	Y4UPX~1.EXE	31
PID 3056 wrote to memory of 2132	3056	Y4UPX~1.EXE	31
PID 3056 wrote to memory of 2132	3056	Y4UPX~1.EXE	31

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
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- F:\msdownld.tmp\IXP000.TMP\Y4UPX~1.EXE
  F:\msdownld.tmp\IXP000.TMP\Y4UPX~1.EXE
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3056
- - C:\Program Files\wyr360.exe
    "C:\Program Files\wyr360.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2132

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

Peripheral Device Discovery

Query Registry

System Information Discovery

1

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

F:\msdownld.tmp\IXP000.TMP\Y4UPX~1.EXE

Filesize
916KB

MD5
87f8f1ea4bae824471da7068ea2e84a9

SHA1
d7db0d7c842718cfd668a3603c9569113c2bede4

SHA256
0e716f62720fbb96c44e80bca6cefe0fc91d8247de8e6263b0f98adaece5bf63

SHA512
125b4800c4d444427c1b1bb35c1c57650abb7d94f75add36f447b41b1172286f197621c39cda976b045987ee5721c3db2e9fe935605224bece55823aae1ee779

Download Submit
memory/2132-19-0x0000000000DB0000-0x0000000000FDD000-memory.dmp

Filesize
2.2MB

Download
memory/2132-18-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download
memory/2132-20-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download
memory/2132-22-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download
memory/2132-23-0x0000000000DB0000-0x0000000000FDD000-memory.dmp

Filesize
2.2MB

Download
memory/2384-5-0x00000000027D0000-0x00000000029FD000-memory.dmp

Filesize
2.2MB

Download
memory/3056-7-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download
memory/3056-8-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download
memory/3056-14-0x00000000032F0000-0x000000000351D000-memory.dmp

Filesize
2.2MB

Download
memory/3056-21-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads