90ddfd2d3594bd9ee1c991862b9b1d7a8e03636383e1b60741d828dce4975520

General

Target

adb1654c27760ecff4f8dc87f55be850_JaffaCakes118.exe
Size

764KB
MD5

adb1654c27760ecff4f8dc87f55be850
SHA1

db7e0194b8a01c95d9be76bf29d59f68887f39f7
SHA256

90ddfd2d3594bd9ee1c991862b9b1d7a8e03636383e1b60741d828dce4975520
SHA512

3e67bd00ce08df6d72a6890b9c71bb01d05a28942c004b6e9ca85bbd66f42f95259f35a9f670a32f7a55f0da4b31456522b228d758193a377c0d2e2feafbfaaf
SSDEEP

12288:ulGLmWWRI8VNcBaMnj6JNoZA9WviRPRKKSvrSrGjdRvuIM0/EG:ulCmWWRJaj6Xoa/lESaxRvLl

Score

9^/10

credential_access discovery persistence spyware stealer upx

Malware Config

Signatures

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Executes dropped EXE 4 IoCs

pid	Process
2748	chrome.exe
2924	Vulcan Logger.exe
3028	vbc.exe
2664	vbc.exe

Loads dropped DLL 2 IoCs

pid	Process
2748	chrome.exe
3028	vbc.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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2664-48-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2664-47-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2664-46-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2664-52-0x0000000000400000-0x0000000000453000-memory.dmp	upx

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\chrome.exe"	chrome.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2748 set thread context of 3028	2748	chrome.exe	32
PID 3028 set thread context of 2664	3028	vbc.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	chrome.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vulcan Logger.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3028	vbc.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2748	2808	adb1654c27760ecff4f8dc87f55be850_JaffaCakes118.exe	30
PID 2808 wrote to memory of 2748	2808	adb1654c27760ecff4f8dc87f55be850_JaffaCakes118.exe	30
PID 2808 wrote to memory of 2748	2808	adb1654c27760ecff4f8dc87f55be850_JaffaCakes118.exe	30
PID 2808 wrote to memory of 2748	2808	adb1654c27760ecff4f8dc87f55be850_JaffaCakes118.exe	30
PID 2808 wrote to memory of 2924	2808	adb1654c27760ecff4f8dc87f55be850_JaffaCakes118.exe	31
PID 2808 wrote to memory of 2924	2808	adb1654c27760ecff4f8dc87f55be850_JaffaCakes118.exe	31
PID 2808 wrote to memory of 2924	2808	adb1654c27760ecff4f8dc87f55be850_JaffaCakes118.exe	31
PID 2808 wrote to memory of 2924	2808	adb1654c27760ecff4f8dc87f55be850_JaffaCakes118.exe	31
PID 2748 wrote to memory of 3028	2748	chrome.exe	32
PID 2748 wrote to memory of 3028	2748	chrome.exe	32
PID 2748 wrote to memory of 3028	2748	chrome.exe	32
PID 2748 wrote to memory of 3028	2748	chrome.exe	32
PID 2748 wrote to memory of 3028	2748	chrome.exe	32
PID 2748 wrote to memory of 3028	2748	chrome.exe	32
PID 2748 wrote to memory of 3028	2748	chrome.exe	32
PID 2748 wrote to memory of 3028	2748	chrome.exe	32
PID 3028 wrote to memory of 2664	3028	vbc.exe	33
PID 3028 wrote to memory of 2664	3028	vbc.exe	33
PID 3028 wrote to memory of 2664	3028	vbc.exe	33
PID 3028 wrote to memory of 2664	3028	vbc.exe	33
PID 3028 wrote to memory of 2664	3028	vbc.exe	33
PID 3028 wrote to memory of 2664	3028	vbc.exe	33
PID 3028 wrote to memory of 2664	3028	vbc.exe	33
PID 3028 wrote to memory of 2664	3028	vbc.exe	33
PID 3028 wrote to memory of 2664	3028	vbc.exe	33

C:\Users\Admin\AppData\Local\Temp\adb1654c27760ecff4f8dc87f55be850_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\adb1654c27760ecff4f8dc87f55be850_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Users\Admin\AppData\Local\Temp\chrome.exe
  "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Users\Admin\AppData\Local\Temp\vbc.exe
    C:\Users\Admin\AppData\Local\Temp\vbc.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3028
  - - C:\Users\Admin\AppData\Local\Temp\vbc.exe
      /scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2664
- C:\Users\Admin\AppData\Local\Temp\Vulcan Logger.exe
  "C:\Users\Admin\AppData\Local\Temp\Vulcan Logger.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

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

Scripting

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

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\Local\Temp\Vulcan Logger.exe

Filesize
244KB

MD5
fa9a5b7d966ce66723747b80310e6e47

SHA1
f307108aba31c1cb100a5561870eaf513bbb5fdf

SHA256
02c5e061e1f4031e6301700a6f022ac040434f3d8e5ae74a3d06305055fbef43

SHA512
db2b22ff8a2454dd89d4d5e61d9c8036247d850fdf02cf8844fb6413e43b3585fd3d5574e452a14d2e3e46873d1df87302f346b3402d012552000435d4b4bfba

Download Submit
C:\Users\Admin\AppData\Local\Temp\chrome.exe

Filesize
316KB

MD5
2c2d40567b166fb5d90834b21b43a608

SHA1
c507ee42900f919eb423004a7fc3e7dd396ec903

SHA256
b51841b27a317fea442fc8d28e5d06e4d035c81dcc13cb589b84403cc1f20765

SHA512
814eb0c4710f3833f404f9b6f863392e9fbc460f2e96e4def5412a83156010386c4a8f6743003f8881274cd810ec8d3b7f783a3da83e377612eb7feee87a261d

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2664-52-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2664-46-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2664-47-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2664-48-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2748-18-0x0000000073910000-0x0000000073EBB000-memory.dmp

Filesize
5.7MB

Download
memory/2748-20-0x0000000073910000-0x0000000073EBB000-memory.dmp

Filesize
5.7MB

Download
memory/2748-38-0x0000000073910000-0x0000000073EBB000-memory.dmp

Filesize
5.7MB

Download
memory/2748-17-0x0000000073911000-0x0000000073912000-memory.dmp

Filesize
4KB

Download
memory/2808-0-0x000007FEF4FDE000-0x000007FEF4FDF000-memory.dmp

Filesize
4KB

Download
memory/2808-19-0x000007FEF4D20000-0x000007FEF56BD000-memory.dmp

Filesize
9.6MB

Download
memory/2808-11-0x000007FEF4D20000-0x000007FEF56BD000-memory.dmp

Filesize
9.6MB

Download
memory/2808-15-0x000007FEF4D20000-0x000007FEF56BD000-memory.dmp

Filesize
9.6MB

Download
memory/2924-53-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

Filesize
4KB

Download
memory/2924-21-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

Filesize
4KB

Download
memory/2924-41-0x00000000003F0000-0x0000000000436000-memory.dmp

Filesize
280KB

Download
memory/3028-35-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/3028-28-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/3028-32-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/3028-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3028-30-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/3028-54-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads