37fe1d172f3daa3d6a02608b8537c3991616e8a131f89063bac061da60d870ec

General

Target

b7a24c99ab32b12bcb23b5de203d329d_JaffaCakes118.exe
Size

435KB
MD5

b7a24c99ab32b12bcb23b5de203d329d
SHA1

03449cc5f6564a02e6e76f036169faa7e2939623
SHA256

37fe1d172f3daa3d6a02608b8537c3991616e8a131f89063bac061da60d870ec
SHA512

35c32300d4fe8bca9385ba6287c083a3a2e5d6cc498764208b9f703ea7c41fbf9f8200ae508c7bb03e46ea3e0b63b977f53e06ce5878b062be4815173427ece7
SSDEEP

6144:RyH+ZNxpXYAWtxTpbu7V5L3QGJgUnR+ZMMNHteWl4eX6sX0YDZ9ibUJjWnd7lHST:3xpIAWtthujQGaUYZMA5jXhZ46Wdpyh

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3044	fMcOeEd08400.exe

Executes dropped EXE 1 IoCs

pid	Process
3044	fMcOeEd08400.exe

Loads dropped DLL 2 IoCs

pid	Process
2536	b7a24c99ab32b12bcb23b5de203d329d_JaffaCakes118.exe
2536	b7a24c99ab32b12bcb23b5de203d329d_JaffaCakes118.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2536-1-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2536-2-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2536-20-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2536-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2536-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2536-55-0x0000000000400000-0x00000000004B4000-memory.dmp	upx

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\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\fMcOeEd08400 = "C:\\ProgramData\\fMcOeEd08400\\fMcOeEd08400.exe"	fMcOeEd08400.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	b7a24c99ab32b12bcb23b5de203d329d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fMcOeEd08400.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Internet Explorer\Main	fMcOeEd08400.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	b7a24c99ab32b12bcb23b5de203d329d_JaffaCakes118.exe
Token: SeDebugPrivilege	3044	fMcOeEd08400.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3044	fMcOeEd08400.exe
3044	fMcOeEd08400.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3044	fMcOeEd08400.exe
3044	fMcOeEd08400.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3044	fMcOeEd08400.exe
3044	fMcOeEd08400.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 3044	2536	b7a24c99ab32b12bcb23b5de203d329d_JaffaCakes118.exe	30
PID 2536 wrote to memory of 3044	2536	b7a24c99ab32b12bcb23b5de203d329d_JaffaCakes118.exe	30
PID 2536 wrote to memory of 3044	2536	b7a24c99ab32b12bcb23b5de203d329d_JaffaCakes118.exe	30
PID 2536 wrote to memory of 3044	2536	b7a24c99ab32b12bcb23b5de203d329d_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\b7a24c99ab32b12bcb23b5de203d329d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b7a24c99ab32b12bcb23b5de203d329d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2536
- C:\ProgramData\fMcOeEd08400\fMcOeEd08400.exe
  "C:\ProgramData\fMcOeEd08400\fMcOeEd08400.exe" "C:\Users\Admin\AppData\Local\Temp\b7a24c99ab32b12bcb23b5de203d329d_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:3044

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

2

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

\ProgramData\fMcOeEd08400\fMcOeEd08400.exe

Filesize
435KB

MD5
354ab02bc11ac613e67edd6de23754fe

SHA1
d031d3791a8f441aa0001c17419aeca490e69998

SHA256
f8ff3b4849ac0319c6d6fea82ee12e97aec49772fe427bc30401672b72241f6a

SHA512
dd11e854f038be3798398305d6fd93b57959b7fd65afbf27b019270ef8573210ff8c7712d9af5e8b0538d543dc593bf713583b2dce7d465886ca8d05c526c2cf

Download Submit
memory/2536-0-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2536-1-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2536-2-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2536-20-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2536-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2536-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2536-55-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/3044-15-0x0000000000260000-0x0000000000360000-memory.dmp

Filesize
1024KB

Download
memory/3044-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads