e550baeb32b416bb940fab59aa5dc99a15427862f6d7b2afc1821f89b95910fe

General

Target

4c89e96832f1340c24dfcbd11c489fee_JaffaCakes118.dll
Size

96KB
MD5

4c89e96832f1340c24dfcbd11c489fee
SHA1

e475585bbe70b328ee1769d0bdfc6e842d8cc923
SHA256

e550baeb32b416bb940fab59aa5dc99a15427862f6d7b2afc1821f89b95910fe
SHA512

09d07fd24bd100ffba784dd728495ef33bf36c3654a5868f9e8a91e38f7d1e8b0da006467bab8910fef4c6bd68f411c2fa00c01442467ea93ad8352459d06824
SSDEEP

1536:yqZuqq+oa3zvMNp4m8g7/3fSEgVBq/asDsNX9dMAPX2IU4Aqu9AXdJ+Gxw3Ery:bsaoaTnLgzOZZgWAt+tcsOAy

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies Shared Task Scheduler registry keys 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\SharedTaskScheduler\{F7E7E7E6-0808-B3B3-D5C5-6E6E6E5E5D5D}	rundll32.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2256-0-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-1-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-7-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-8-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-9-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-10-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-11-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-12-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-13-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-14-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-15-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-16-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-17-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-18-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-19-0x00000000006D0000-0x0000000000721000-memory.dmp	upx
behavioral1/memory/2256-20-0x00000000006D0000-0x0000000000721000-memory.dmp	upx

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\IISRCBL.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\IISRCBL.dll	rundll32.exe
File created	C:\Windows\SysWOW64\TDCNMXW.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\TDCNMXW.dll	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7E7E7E6-0808-B3B3-D5C5-6E6E6E5E5D5D}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7E7E7E6-0808-B3B3-D5C5-6E6E6E5E5D5D}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7E7E7E6-0808-B3B3-D5C5-6E6E6E5E5D5D}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7E7E7E6-0808-B3B3-D5C5-6E6E6E5E5D5D}\InprocServer32\ = "C:\\Windows\\SysWow64\\TDCNMXW.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F7E7E7E6-0808-B3B3-D5C5-6E6E6E5E5D5D}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 2256	2948	rundll32.exe	30
PID 2948 wrote to memory of 2256	2948	rundll32.exe	30
PID 2948 wrote to memory of 2256	2948	rundll32.exe	30
PID 2948 wrote to memory of 2256	2948	rundll32.exe	30
PID 2948 wrote to memory of 2256	2948	rundll32.exe	30
PID 2948 wrote to memory of 2256	2948	rundll32.exe	30
PID 2948 wrote to memory of 2256	2948	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c89e96832f1340c24dfcbd11c489fee_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c89e96832f1340c24dfcbd11c489fee_JaffaCakes118.dll,#1
  2⤵
  - Modifies Shared Task Scheduler registry keys
  - Drops file in System32 directory
  - Modifies registry class
  PID:2256

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2256-0-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-1-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-7-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-8-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-9-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-10-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-11-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-12-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-13-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-14-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-15-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-16-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-17-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-18-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-19-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download
memory/2256-20-0x00000000006D0000-0x0000000000721000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads