a59f924c88eb95666043249b1f9f77f606b3e601cdcec549ec6ddd0b3448c617

General

Target

f8afe38319cc691f948214bc3907eadd_JaffaCakes118.exe
Size

168KB
MD5

f8afe38319cc691f948214bc3907eadd
SHA1

4cc870c1b5b4bcb2da1a23c811e6a0f25ec5cec1
SHA256

a59f924c88eb95666043249b1f9f77f606b3e601cdcec549ec6ddd0b3448c617
SHA512

fe3fe08919cd06357cb6e948ebc4e38bb9aec291195aac7275980c87b999ec674694465a5b8a39205006f26547df1cad41b206ea23a1c27dd3991b2d3c15d307
SSDEEP

3072:viqXwQU66AagjXdL+A1uXHnVO5Gpmt7fzHOyE/AryPtLbZiMwdwRB9Xrx1Jefz:viNAaqh5oHnVO5GgjzHOyaPhZkdwRB9K

Score

10^/10

persistence 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-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\B3BA4\\C7C1C.exe"	f8afe38319cc691f948214bc3907eadd_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1276-1-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/2744-8-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/2744-10-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/1276-11-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/4364-77-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/4364-76-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/1276-78-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral2/memory/1276-169-0x0000000000400000-0x0000000000491000-memory.dmp	upx

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 2744	1276	f8afe38319cc691f948214bc3907eadd_JaffaCakes118.exe	88
PID 1276 wrote to memory of 2744	1276	f8afe38319cc691f948214bc3907eadd_JaffaCakes118.exe	88
PID 1276 wrote to memory of 2744	1276	f8afe38319cc691f948214bc3907eadd_JaffaCakes118.exe	88
PID 1276 wrote to memory of 4364	1276	f8afe38319cc691f948214bc3907eadd_JaffaCakes118.exe	89
PID 1276 wrote to memory of 4364	1276	f8afe38319cc691f948214bc3907eadd_JaffaCakes118.exe	89
PID 1276 wrote to memory of 4364	1276	f8afe38319cc691f948214bc3907eadd_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\f8afe38319cc691f948214bc3907eadd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8afe38319cc691f948214bc3907eadd_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Users\Admin\AppData\Local\Temp\f8afe38319cc691f948214bc3907eadd_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f8afe38319cc691f948214bc3907eadd_JaffaCakes118.exe startC:\Program Files (x86)\LP\1C1B\F73.exe%C:\Program Files (x86)\LP\1C1B
  2⤵
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\f8afe38319cc691f948214bc3907eadd_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f8afe38319cc691f948214bc3907eadd_JaffaCakes118.exe startC:\Program Files (x86)\A49A9\lvvm.exe%C:\Program Files (x86)\A49A9
  2⤵
  PID:4364

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

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\B3BA4\49A9.3BA

Filesize
300B

MD5
ccd7b117c7c7d8a53e5e092fd73ac350

SHA1
fc50645c31c6d874fa4136a30e2808d1654782c6

SHA256
6b43c289b7dee8f7c8b6872157fb6a23bab5227124d2ad4d79f49e0a828720a8

SHA512
528b2c3d922345da88106617bf31049eb85ded60eece252efe8b5e1a802af944d83a5c7c4ae98778edcc618c13bfc30997ec0e628a9da5f3bbb25ba80f7faec5

Download Submit
C:\Users\Admin\AppData\Roaming\B3BA4\49A9.3BA

Filesize
1KB

MD5
16de09fef478ead3db9f7a99a12607f1

SHA1
34d274af01c5d39cf28b4ed5184a4dfedcc45575

SHA256
5e4289f4933dc126cdcf5c1477e85a5691514833414a3f759387ea96b6e55aab

SHA512
56ba097ad48f9b9f7a6ecb3ad6362273ca182425fd529fac4079d8f7ff680621f2dfeb27406276ff0374da4db47b04eadd2391dba571319e6327b4d0e6c7ef06

Download Submit
C:\Users\Admin\AppData\Roaming\B3BA4\49A9.3BA

Filesize
696B

MD5
69a216e13ee47fb20812252a392616f1

SHA1
3331a8bef1b6c8c37aa9a744e5b7f054cc0134ae

SHA256
1f4b1e51d7fe587b195ca12c1811c0210db2e505086d8ecf7857e688b4348942

SHA512
d11728be6470bcb31c31ee4ac527c021c3dea10155c7c78816d52c4c2f3f37cebdcbe374f95dfe254fa1522f22c5caf067a308b36aa5d5557f4d4bfbf26c5292

Download Submit
memory/1276-78-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/1276-11-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/1276-1-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/1276-138-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/1276-2-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/1276-169-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2744-10-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2744-9-0x0000000000690000-0x0000000000790000-memory.dmp

Filesize
1024KB

Download
memory/2744-8-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/4364-77-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/4364-76-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads