vidar | 8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979

General

Target

d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe
Size

1.5MB
MD5

d494477460b26ffbbd75a1e62b0f243e
SHA1

484e46737ae1919047a32126a5423ec1f563bc5f
SHA256

8f95ae5e5e774a322e272b430e09bbe7790ab8c57a804e07a053d489f48c8979
SHA512

bca9b9235cf0796352f6f8847d176b613e1421367af677281df306bdab19f241a9bfe77749e3dc5178008767b8cb5cb4a8ed8702119b1d5e616605e293691d3c
SSDEEP

24576:/obJrTrxaXKm0DDkXOSFcZekxcLxYCNc+mOw+RvVXk6ZsId:gtrTsXXQDkXOSFcZe1KR+vXE

Score

10^/10

vidar 921 agilenet discovery stealer

Malware Config

Extracted

Family

vidar

Version

41.1

Botnet

921

C2

https://mas.to/@bardak1ho

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/4896-15-0x0000000000400000-0x00000000004D7000-memory.dmp	family_vidar
behavioral2/memory/4896-16-0x0000000000400000-0x00000000004D7000-memory.dmp	family_vidar
behavioral2/memory/4896-19-0x0000000000400000-0x00000000004D7000-memory.dmp	family_vidar
behavioral2/memory/4896-17-0x0000000000400000-0x00000000004D7000-memory.dmp	family_vidar
behavioral2/memory/4896-29-0x0000000000400000-0x00000000004D7000-memory.dmp	family_vidar

Loads dropped DLL 1 IoCs

pid	Process
3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral2/memory/3444-1-0x0000000000DB0000-0x0000000000F42000-memory.dmp	agile_net

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3444 set thread context of 4896	3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3028	4896	WerFault.exe	86

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	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe
3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3444 wrote to memory of 4504	3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe	85
PID 3444 wrote to memory of 4504	3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe	85
PID 3444 wrote to memory of 4504	3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe	85
PID 3444 wrote to memory of 4896	3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe	86
PID 3444 wrote to memory of 4896	3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe	86
PID 3444 wrote to memory of 4896	3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe	86
PID 3444 wrote to memory of 4896	3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe	86
PID 3444 wrote to memory of 4896	3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe	86
PID 3444 wrote to memory of 4896	3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe	86
PID 3444 wrote to memory of 4896	3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe	86
PID 3444 wrote to memory of 4896	3444	d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe"
  2⤵
  PID:4504
- C:\Users\Admin\AppData\Local\Temp\d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d494477460b26ffbbd75a1e62b0f243e_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 1272
    3⤵
    - Program crash
    PID:3028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4896 -ip 4896
1⤵
PID:368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\9fcb5626-ecc1-422b-9975-65e4c1e36203\AgileDotNetRT.dll

Filesize
140KB

MD5
edd74be9723cdc6a5692954f0e51c9f3

SHA1
e9fb66ceee1ba4ce7e5b8271b3e1ed7cb9acf686

SHA256
55ff1e0a4e5866d565ceeb9baafac73fdcb4464160fc6c78104d935009935cd7

SHA512
80abecdd07f364283f216d8f4d90a4da3efd4561900631fce05c2916afeb1b5bbce23ae92d57430b7b2b06c172b2ad701b2ab75b6dfd2a861abcf7edc38462f3

Download Submit
memory/3444-12-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/3444-20-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/3444-3-0x00000000058E0000-0x0000000005972000-memory.dmp

Filesize
584KB

Download
memory/3444-11-0x0000000073010000-0x0000000073099000-memory.dmp

Filesize
548KB

Download
memory/3444-1-0x0000000000DB0000-0x0000000000F42000-memory.dmp

Filesize
1.6MB

Download
memory/3444-0-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/3444-14-0x0000000005A90000-0x0000000005AAC000-memory.dmp

Filesize
112KB

Download
memory/3444-2-0x0000000005D90000-0x0000000006334000-memory.dmp

Filesize
5.6MB

Download
memory/3444-13-0x0000000071DD0000-0x0000000071DF8000-memory.dmp

Filesize
160KB

Download
memory/4896-15-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/4896-19-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/4896-16-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/4896-17-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/4896-29-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download

Analysis

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