modiloader | ef8d2654ebc7cd8956506c7e0ded81eb01c6eb83bf4069e3c21f2effd76e7355

General

Target

ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe
Size

328KB
MD5

ed7a2bf37dda3ee20eacd7418d5510c9
SHA1

3aedc93d1eaa49f2937e38f4107b7dc52b288a88
SHA256

ef8d2654ebc7cd8956506c7e0ded81eb01c6eb83bf4069e3c21f2effd76e7355
SHA512

1ed61325b788e04193841b9149cd3294cb73a3f3c6272dc3fa7983ce97506bd41daa569cfb1ab95bb05d5cbcc0ee73f2760bdde016d0d183fdd0661dcdd83ad3
SSDEEP

6144:kXAD7mWfh9QHzpNMJs+4qlyf7ttvgMGXY5S6o2W4gJsTgVw0AFFok:BD7mC9SFK2Bqof7DvcMk4hkVJAV

Score

10^/10

modiloader discovery trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 2 IoCs

resource	yara_rule
behavioral1/memory/1316-13-0x0000000000400000-0x00000000004C0058-memory.dmp	modiloader_stage2
behavioral1/memory/2568-20-0x0000000000400000-0x00000000004C0058-memory.dmp	modiloader_stage2

Deletes itself 1 IoCs

pid	Process
1696	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1316	savsic.exe

Loads dropped DLL 2 IoCs

pid	Process
2568	ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe
2568	ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000012119-3.dat	upx
behavioral1/memory/1316-13-0x0000000000400000-0x00000000004C0058-memory.dmp	upx
behavioral1/memory/2568-20-0x0000000000400000-0x00000000004C0058-memory.dmp	upx

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\savsic.exe	ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\savsic.exe	ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\savsic.exe	savsic.exe
File created	C:\Windows\SysWOW64\ReDelBat.bat	ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.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	ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	savsic.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 1316	2568	ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe	30
PID 2568 wrote to memory of 1316	2568	ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe	30
PID 2568 wrote to memory of 1316	2568	ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe	30
PID 2568 wrote to memory of 1316	2568	ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe	30
PID 2568 wrote to memory of 1696	2568	ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe	31
PID 2568 wrote to memory of 1696	2568	ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe	31
PID 2568 wrote to memory of 1696	2568	ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe	31
PID 2568 wrote to memory of 1696	2568	ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed7a2bf37dda3ee20eacd7418d5510c9_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\SysWOW64\savsic.exe
  C:\Windows\system32\savsic.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1316
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\ReDelBat.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\SysWOW64\ReDelBat.bat

Filesize
212B

MD5
7a204d3689ffccc1f1c388a9c629abf7

SHA1
48226ae1021d17aa917f3c1b4c109ba3466df3f0

SHA256
f85586d0dcf97c61ba781c76b27d49d7efa62c3df87fbafdfde1890bc1be0e1d

SHA512
8d5c815a71f3b8fd3548919496adf5d2651a16df036e920b13cc0459081a8b78ed763a703a27b570aa6aad9d5a3968f0a0dff97c2ef3f9c9f8cd2a81ac17be57

Download Submit
\Windows\SysWOW64\savsic.exe

Filesize
328KB

MD5
ed7a2bf37dda3ee20eacd7418d5510c9

SHA1
3aedc93d1eaa49f2937e38f4107b7dc52b288a88

SHA256
ef8d2654ebc7cd8956506c7e0ded81eb01c6eb83bf4069e3c21f2effd76e7355

SHA512
1ed61325b788e04193841b9149cd3294cb73a3f3c6272dc3fa7983ce97506bd41daa569cfb1ab95bb05d5cbcc0ee73f2760bdde016d0d183fdd0661dcdd83ad3

Download Submit
memory/1316-10-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1316-13-0x0000000000400000-0x00000000004C0058-memory.dmp

Filesize
768KB

Download
memory/2568-0-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2568-20-0x0000000000400000-0x00000000004C0058-memory.dmp

Filesize
768KB

Download

Analysis

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