vidar | 3114d9a19def58cc62a9b5dbe78360e64772b46e1815c974f318cafb99eedc98

General

Target

55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
Size

693KB
MD5

55de04a0c8bb1e49015b62988c835b9a
SHA1

6a91271deff3f90359e95cafb722f1d9db7f80f3
SHA256

3114d9a19def58cc62a9b5dbe78360e64772b46e1815c974f318cafb99eedc98
SHA512

f723a33d5e2ba14c45aa30b83887d2f9690266a736f3201cebcdc986b7d4f7a97458f05bbe4eb74e363f964bcb66dad230bc195328493cc387f4733d22f7b11a
SSDEEP

12288:ity5w2s0BhP2PFro43nQMmo4RRNc0g+W2rQeQlAMPGII1RMXF93SVRvVNQxXU:i0TscQPFc8HTWK0g+W2rSGmfCVVVNQxk

Score

10^/10

vidar 921 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

39.9

Botnet

921

C2

https://prophefliloc.tumblr.com/

Attributes

profile_id
921

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral2/memory/4012-9-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral2/memory/4012-10-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral2/memory/4012-12-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral2/memory/4012-13-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral2/memory/4012-68-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4336 set thread context of 4012	4336	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe	94

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5040	4012	WerFault.exe	94

System Location Discovery: System Language Discovery 1 TTPs 2 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	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4012	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
4012	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
4012	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
4012	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
4012	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
4012	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4336	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 4012	4336	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe	94
PID 4336 wrote to memory of 4012	4336	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe	94
PID 4336 wrote to memory of 4012	4336	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe	94
PID 4336 wrote to memory of 4012	4336	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe	94
PID 4336 wrote to memory of 4012	4336	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe	94
PID 4336 wrote to memory of 4012	4336	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe	94
PID 4336 wrote to memory of 4012	4336	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe	94
PID 4336 wrote to memory of 4012	4336	55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe	94

C:\Users\Admin\AppData\Local\Temp\55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4336
- C:\Users\Admin\AppData\Local\Temp\55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\55de04a0c8bb1e49015b62988c835b9a_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 1528
    3⤵
    - Program crash
    PID:5040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4012 -ip 4012
1⤵
PID:2296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\softokn3.dll

Filesize
275B

MD5
a378c450e6ad9f1e0356ed46da190990

SHA1
d457a2c162391d2ea30ec2dc62c8fb3b973f6a66

SHA256
b745b0c0db87a89de5e542e9ae0a06f585793ac3f4240bff3524e7dbdba79978

SHA512
e6cdc8f570af97e48b1d8968730db0afc46f9dd6ad7366a936a5518801debb61c86cc61526e5e26e7ad3b3daeb76a19b32d7c0da33140597f6d19163683c12b5

Download Submit
memory/4012-9-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/4012-68-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/4012-13-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/4012-12-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/4012-10-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/4336-4-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4336-7-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4336-8-0x0000000004AE0000-0x0000000004B06000-memory.dmp

Filesize
152KB

Download
memory/4336-6-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/4336-5-0x0000000004AA0000-0x0000000004AAA000-memory.dmp

Filesize
40KB

Download
memory/4336-0-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/4336-3-0x00000000049E0000-0x0000000004A72000-memory.dmp

Filesize
584KB

Download
memory/4336-14-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/4336-2-0x00000000050C0000-0x0000000005664000-memory.dmp

Filesize
5.6MB

Download
memory/4336-1-0x00000000000E0000-0x0000000000190000-memory.dmp

Filesize
704KB

Download

Analysis

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