f8270ea6ec4897866c460111ce080348a589f45a134d0b831dee8994045e2627

General

Target

fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
Size

351KB
MD5

fd55b69e0fb1e32934d251dc8656359d
SHA1

73be759ae3175e580dda183219f11aa168cda08c
SHA256

f8270ea6ec4897866c460111ce080348a589f45a134d0b831dee8994045e2627
SHA512

af2afd597b1ce5db6be16fb1796182fe9a0904563237b70a858742da29ae3ff3fda31d5a6f78993f8e1958539ed9dae3a7d180291bd2a70fae9ca392337f6f94
SSDEEP

6144:Vlj7xsOKSkrKQc/RU7QzYFg7nJz3RszFSRdPanIHyVPKgpmsikng:7jO+CKiSbJSzFodPaNAgpg

Score

10^/10

evasion persistence trojan upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\w43y63aey.exe"	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\w43y63aey.exe"	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe

Disables Task Manager via registry modification
evasion

Modifies Installed Components in the registry 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\Active Setup\Installed Components\{hjJU9T8N-wuoI-3BcU-zSF2-498aEtbw6l4G}	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{hjJU9T8N-wuoI-3BcU-zSF2-498aEtbw6l4G}\T7PFv6jjyS0RcbK = "\"C:\\Users\\Admin\\AppData\\Roaming\\w43y63aey.exe\" /ActiveX"	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe

Loads dropped DLL 2 IoCs

pid	Process
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1376-0-0x0000000000400000-0x00000000004A8000-memory.dmp	upx
behavioral1/memory/1376-2-0x0000000000400000-0x00000000004A8000-memory.dmp	upx
behavioral1/memory/1376-4-0x0000000000400000-0x00000000004A8000-memory.dmp	upx
behavioral1/memory/1376-5-0x0000000000400000-0x00000000004A8000-memory.dmp	upx
behavioral1/memory/1376-21-0x0000000000400000-0x00000000004A8000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\Run\T7PFv6jjyS0RcbK = "C:\\Users\\Admin\\AppData\\Roaming\\w43y63aey.exe"	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\T7PFv6jjyS0RcbK = "C:\\Users\\Admin\\AppData\\Roaming\\w43y63aey.exe"	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 10 IoCs

pid	Process
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
1376	fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd55b69e0fb1e32934d251dc8656359d_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Disables RegEdit via registry modification
- Modifies Installed Components in the registry
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Modifies WinLogon
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

4

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

2

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

4

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

2

T1547.004

Defense Evasion

Modify Registry

4

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\dwlGina3.dll

Filesize
93KB

MD5
1173123287198dce1eb831f04e28352c

SHA1
39d650f4297c990a7ffaa7dc3b6d0ef903c9bd14

SHA256
65d4582e135c774d9c827ae08de8b77f199ee934f13d1a0537df4f5d18f590ba

SHA512
e9fdb6e808b0f3ed850fb364d48609a9726fd41ad138594fc04f8d48d5672aec3aaa76af236f07c4263c053dc539f99009e74491adb03c885190dcce78f0cede

Download Submit
memory/1376-0-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1376-1-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download
memory/1376-2-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1376-4-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1376-5-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1376-8-0x0000000000950000-0x0000000000951000-memory.dmp

Filesize
4KB

Download
memory/1376-12-0x0000000002360000-0x000000000237C000-memory.dmp

Filesize
112KB

Download
memory/1376-21-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/1376-22-0x0000000002360000-0x000000000237C000-memory.dmp

Filesize
112KB

Download
memory/1376-25-0x0000000000950000-0x0000000000951000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads