583bbc839ed5ba9a6917166e6dae273bd06c09ef6da393a46dcf56a44a192870

General

Target

ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe
Size

197KB
MD5

ea3d6b53b42bb3460b54d09d95a44c1e
SHA1

dd689ce09f8e5e67513edab0913d1ed58269ef6d
SHA256

583bbc839ed5ba9a6917166e6dae273bd06c09ef6da393a46dcf56a44a192870
SHA512

cd4a75a17c9a0bf90e2dc05bb2605cbace47dafed4275db650891a23f822c93f22232df392191c1902a3e736ca6980b169abdcf06c536ed6fcbafb23a692294b
SSDEEP

6144:DDtxEPb/lvvHVBfg9t3io4TIJ7gN0AnM1sU1JC0:DkPhvv1aB4vMJC0

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe"	ea3d6b53b42bb3460b54d09d95a44c1e_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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2640-2-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/2744-6-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/2744-8-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/2640-16-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/2640-77-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/2964-79-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/2964-80-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/2640-199-0x0000000000400000-0x000000000048C000-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	ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2744	2640	ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2744	2640	ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2744	2640	ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2744	2640	ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2964	2640	ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe	32
PID 2640 wrote to memory of 2964	2640	ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe	32
PID 2640 wrote to memory of 2964	2640	ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe	32
PID 2640 wrote to memory of 2964	2640	ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Users\Admin\AppData\Local\Temp\ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ea3d6b53b42bb3460b54d09d95a44c1e_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2964

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\2094.474

Filesize
1KB

MD5
d440a5306050d27d45e056c046afaa41

SHA1
e2624f4e0f62b0178e0d0520f0062e139db8f2a8

SHA256
4ceb6806aa1327894effaf3c8032d08c3c64df3e0ceb3070ed7f6d420963aa1c

SHA512
d3dd05e0ae7d76c8d958816bf3a2339d136aefb38a0ca40d7b12dd9c0d5ed0993f461d552cea244b59e1e17be1bff3607c4203ae075baca7688241e5e3a2d4bd

Download Submit
C:\Users\Admin\AppData\Roaming\2094.474

Filesize
600B

MD5
2d456eedd57497079b1fecc404874ffb

SHA1
cd5fdc6a2ddeff8f7961a47e5a957c41bd4a0d2d

SHA256
51f1bdfd39602ee236488e3bb6e861ec9be9d9ef0024365d2eb59bb2eda3beef

SHA512
6a48b4c91ee747c510a2a438bd16804b21cdcb21247734b261f0b01aa2dfb1cdce46e5e5cfd926a084a3ea0d4fce804f298a5de338958adf67933eb171845a67

Download Submit
C:\Users\Admin\AppData\Roaming\2094.474

Filesize
996B

MD5
2443fd01a63cf1a5203801fa6ac2fe7b

SHA1
68a347191f84147902754dbb8f60a54bde05c60e

SHA256
91289ca746ec68b8ad1b307ad1c7372d7c07373c7c4281fef80cc867b790f887

SHA512
eda834f2fd79c9cd65f177a3eadf833200588283283d4221c36a1b131cb7ac2de4a7afa8ce8563a79be2a939424b07d995375c1704fb9dd469b73ecb6f4f9288

Download Submit
memory/2640-2-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2640-199-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2640-1-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2640-16-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2640-77-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2744-6-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2744-8-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2744-5-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2964-80-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2964-79-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads