f38179d874c98fd5cf350e3a72639256147347f4899032eeaf2ae3dadbf6f2c9

General

Target

eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe
Size

185KB
MD5

eab140fd6c4d9e6341664d84aaeb0f3e
SHA1

2f416a31dedcea927b47941f463bac3b7bfcd538
SHA256

f38179d874c98fd5cf350e3a72639256147347f4899032eeaf2ae3dadbf6f2c9
SHA512

cb87eee0e7f8dacc09dbdac0039917af7684fd88fe5f6bddfbb1ff8d115fc74e73cde56fac666545389cedf7c1ccd520553185f20e4be1f8890d932432ab6db5
SSDEEP

3072:Yi33PecYH1sPUdT7a+UFv9Go6f+Y83iqhHNp2FBCTdWp3XA9:YinPecYH1sPn+sVGoyl8/2FYWp3XG

Score

10^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe"	eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2548-3-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/2940-14-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/2548-15-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/1624-89-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/1624-88-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/2548-90-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/2548-150-0x0000000000400000-0x000000000048C000-memory.dmp	upx

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	eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2940	2548	eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe	30
PID 2548 wrote to memory of 2940	2548	eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe	30
PID 2548 wrote to memory of 2940	2548	eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe	30
PID 2548 wrote to memory of 2940	2548	eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe	30
PID 2548 wrote to memory of 1624	2548	eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe	33
PID 2548 wrote to memory of 1624	2548	eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe	33
PID 2548 wrote to memory of 1624	2548	eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe	33
PID 2548 wrote to memory of 1624	2548	eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Users\Admin\AppData\Local\Temp\eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\eab140fd6c4d9e6341664d84aaeb0f3e_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\EE48.4B5

Filesize
1KB

MD5
7cc06b52773258db15e095ab72e31164

SHA1
c7699acde5dcf06710117d1021a8e77c237f50f6

SHA256
2d018b8c0647dfd283d046d427002300f3209c2fc2239d758c251b9160809b3c

SHA512
984ab223e4fbeb816e735a64302621507047a3d5723afaac8c3929f132ca6fd0b68dcd90b2c79cb967e8b918336b33af589a7f585faed6b549eed3ab7f9bccb5

Download Submit
C:\Users\Admin\AppData\Roaming\EE48.4B5

Filesize
600B

MD5
556b781663253db4e30f51ce260278df

SHA1
6520496d06ed4ef049b820eae555c9ba8e4d3c64

SHA256
82d202ba154c95ac6222673ebaf6b6bd5d3be7d23014518500c176e1f8f203b5

SHA512
8a7dee80e1d740156f39fd3d5714a3e4b66b84b80348c19bdcc6fe9d2142cbe3dcf0fc09bf7cf5f42c71267063b400eb5f8d8d4ee8a5992d8c2082674d5ae424

Download Submit
C:\Users\Admin\AppData\Roaming\EE48.4B5

Filesize
996B

MD5
352e1fcf76e44d5999f04e92a113af2f

SHA1
5ede91103b05dba62350d065b931e21c8c234f3b

SHA256
2ed64153cdba46bc27b16050876246ec978d811376b7fd079b513f7b67972a6b

SHA512
9e58dbf54b5115eef579b148c1427929d71a790f53936701742ac9d621993595ac3812a3b67f648a38b49bcbcb0fd645c774cd7705ae6359844c2ed2f944d79c

Download Submit
memory/1624-89-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1624-88-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2548-3-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2548-1-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2548-15-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2548-150-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2548-90-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2940-14-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2940-81-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2940-12-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads