modiloader | 73f2793b35f27089266a937837dbcfe2a4c981575da33bbb968af5ab8f780e45

General

Target

JaffaCakes118_1215200a62961208a11f8de04782f88c.exe
Size

371KB
MD5

1215200a62961208a11f8de04782f88c
SHA1

15e4cf2bdc6c27e3a19bf193c7330695d7918d71
SHA256

73f2793b35f27089266a937837dbcfe2a4c981575da33bbb968af5ab8f780e45
SHA512

215130f4b897d3b2b623e641237ab1393ebdb7dceca8d202fb676245682d4df8ecaefb3729278e24f03485da417610b2e6530a162a2749b0f95c21c91e796455
SSDEEP

6144:k/0uoV+4GjSMgk0LjwhVEr/Um/dBlTcatxUVpGt8oHsSDuaSn3YC0ibySYDj5EwE:kJuy220LkwLqab2pO8oM+unrTm5w

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 5 IoCs

resource	yara_rule
behavioral2/memory/1036-14-0x0000000000400000-0x00000000004C5000-memory.dmp	modiloader_stage2
behavioral2/memory/1036-15-0x0000000000400000-0x00000000004C5000-memory.dmp	modiloader_stage2
behavioral2/memory/1036-20-0x0000000000400000-0x00000000004C5000-memory.dmp	modiloader_stage2
behavioral2/memory/1036-16-0x0000000000400000-0x00000000004C5000-memory.dmp	modiloader_stage2
behavioral2/memory/1036-13-0x0000000000400000-0x00000000004C5000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
876	L3.exe
1036	L3.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\\\""	JaffaCakes118_1215200a62961208a11f8de04782f88c.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 876 set thread context of 1036	876	L3.exe	83
PID 1036 set thread context of 4768	1036	L3.exe	84

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1036-5-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1036-8-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1036-10-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1036-12-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1036-14-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1036-15-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1036-20-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1036-16-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1036-13-0x0000000000400000-0x00000000004C5000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\MSINFO\2010.txt	L3.exe

Program crash 1 IoCs

pid	pid_target	Process
1084	4768	WerFault.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	JaffaCakes118_1215200a62961208a11f8de04782f88c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	L3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	L3.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 876	1932	JaffaCakes118_1215200a62961208a11f8de04782f88c.exe	82
PID 1932 wrote to memory of 876	1932	JaffaCakes118_1215200a62961208a11f8de04782f88c.exe	82
PID 1932 wrote to memory of 876	1932	JaffaCakes118_1215200a62961208a11f8de04782f88c.exe	82
PID 876 wrote to memory of 1036	876	L3.exe	83
PID 876 wrote to memory of 1036	876	L3.exe	83
PID 876 wrote to memory of 1036	876	L3.exe	83
PID 876 wrote to memory of 1036	876	L3.exe	83
PID 876 wrote to memory of 1036	876	L3.exe	83
PID 1036 wrote to memory of 4768	1036	L3.exe	84
PID 1036 wrote to memory of 4768	1036	L3.exe	84
PID 1036 wrote to memory of 4768	1036	L3.exe	84
PID 1036 wrote to memory of 4768	1036	L3.exe	84
PID 1036 wrote to memory of 4768	1036	L3.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1215200a62961208a11f8de04782f88c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1215200a62961208a11f8de04782f88c.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\L3.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\L3.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:876
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\L3.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\L3.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1036
  - - C:\Windows\SysWOW64\mstsc.exe
      "C:\Windows\system32\mstsc.exe"
      4⤵
      PID:4768
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 12
        5⤵
        Program crash
        
        PID:1084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4768 -ip 4768
1⤵
PID:3700

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\L3.exe

Filesize
324KB

MD5
6d235080f4dd33fa8049fef7b98bdff6

SHA1
22c5b083f8bcede42a472f59e2e552933bca9a4b

SHA256
bc03d810c65b5043a63f20ccdd54a720c17f4092c8cf0c92b1be906d3697ce9f

SHA512
1445f4179d00a99100194a9a51cc20bc81ae1721c69c7891d77d9c47f14918a5c608feb8b6f7b08bafc0de485da0ce492735fc88a12a28fe5fb65e2a55293e64

Download Submit
memory/876-9-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1036-15-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1036-10-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1036-12-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1036-14-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1036-8-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1036-20-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1036-16-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1036-18-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/1036-13-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1036-5-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/4768-19-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads