vidar | f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93

Analysis

max time kernel
98s
max time network
98s
platform
windows7_x64
resource
win7v20201028
submitted
02-04-2021 16:39

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General

Target

f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe
Size

1.6MB
MD5

21ccef2f0c663e5867ee090333b8206e
SHA1

e37e51fb105119a52af3d015fd96eda7a480232b
SHA256

f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93
SHA512

fc079ed52b9c48fb137b92c84b61e8d4f5d34acd17b4c2326cc821cb977ff70fc50caeff984660f345faf360500fdb290065ceacfbcd51622b6538b0051b86d1

Score

10^/10

vidar spyware stealer

Malware Config

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Loads dropped DLL 4 IoCs

Processes:

AddInProcess32.exe

pid process

1604 AddInProcess32.exe
1604 AddInProcess32.exe
1604 AddInProcess32.exe
1604 AddInProcess32.exe
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1604	AddInProcess32.exe
1604	AddInProcess32.exe
1604	AddInProcess32.exe
1604	AddInProcess32.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe

description	pid	process	target process
PID 1152 set thread context of 1604	1152	f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe	AddInProcess32.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AddInProcess32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	AddInProcess32.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1748 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

556 taskkill.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

AddInProcess32.exe

pid process

1604 AddInProcess32.exe
1604 AddInProcess32.exe
1604 AddInProcess32.exe
1604 AddInProcess32.exe

pid	process
1748	timeout.exe

pid	process
556	taskkill.exe

pid	process
1604	AddInProcess32.exe
1604	AddInProcess32.exe
1604	AddInProcess32.exe
1604	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exetaskkill.exe

description	pid	process
Token: SeDebugPrivilege	1152	f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe
Token: SeDebugPrivilege	556	taskkill.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exeAddInProcess32.execmd.exe

description	pid	process	target process
PID 1152 wrote to memory of 1604	1152	f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe	AddInProcess32.exe
PID 1152 wrote to memory of 1604	1152	f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe	AddInProcess32.exe
PID 1152 wrote to memory of 1604	1152	f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe	AddInProcess32.exe
PID 1152 wrote to memory of 1604	1152	f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe	AddInProcess32.exe
PID 1152 wrote to memory of 1604	1152	f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe	AddInProcess32.exe
PID 1152 wrote to memory of 1604	1152	f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe	AddInProcess32.exe
PID 1152 wrote to memory of 1604	1152	f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe	AddInProcess32.exe
PID 1152 wrote to memory of 1604	1152	f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe	AddInProcess32.exe
PID 1152 wrote to memory of 1604	1152	f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe	AddInProcess32.exe
PID 1604 wrote to memory of 284	1604	AddInProcess32.exe	cmd.exe
PID 1604 wrote to memory of 284	1604	AddInProcess32.exe	cmd.exe
PID 1604 wrote to memory of 284	1604	AddInProcess32.exe	cmd.exe
PID 1604 wrote to memory of 284	1604	AddInProcess32.exe	cmd.exe
PID 284 wrote to memory of 556	284	cmd.exe	taskkill.exe
PID 284 wrote to memory of 556	284	cmd.exe	taskkill.exe
PID 284 wrote to memory of 556	284	cmd.exe	taskkill.exe
PID 284 wrote to memory of 556	284	cmd.exe	taskkill.exe
PID 284 wrote to memory of 1748	284	cmd.exe	timeout.exe
PID 284 wrote to memory of 1748	284	cmd.exe	timeout.exe
PID 284 wrote to memory of 1748	284	cmd.exe	timeout.exe
PID 284 wrote to memory of 1748	284	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe
"C:\Users\Admin\AppData\Local\Temp\f24bd8c22941fdf06881f9e4ee40b44db08dcc8323b81aad6cd2e2aadb5ffb93.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1604
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c taskkill /im AddInProcess32.exe /f & timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe" & del C:\ProgramData\*.dll & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:284
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /im AddInProcess32.exe /f
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:556
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:1748

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\freebl3.dll

MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

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C:\ProgramData\mozglue.dll

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\msvcp140.dll

MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
C:\ProgramData\nss3.dll

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
C:\ProgramData\softokn3.dll

MD5
a2ee53de9167bf0d6c019303b7ca84e5

SHA1
2a3c737fa1157e8483815e98b666408a18c0db42

SHA256
43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

SHA512
45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

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C:\ProgramData\vcruntime140.dll

MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
\ProgramData\mozglue.dll

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\msvcp140.dll

MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
\ProgramData\nss3.dll

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
\ProgramData\vcruntime140.dll

MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
memory/284-16-0x0000000000000000-mapping.dmp

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memory/556-17-0x0000000000000000-mapping.dmp

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memory/1152-2-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

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memory/1152-6-0x00000000007F0000-0x0000000000803000-memory.dmp

Filesize
76KB

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memory/1152-5-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

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memory/1152-3-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

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memory/1604-7-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

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memory/1604-11-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

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memory/1604-9-0x00000000760C1000-0x00000000760C3000-memory.dmp

Filesize
8KB

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memory/1604-8-0x000000000046662D-mapping.dmp

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memory/1744-10-0x000007FEF6010000-0x000007FEF628A000-memory.dmp

Filesize
2.5MB

Download
memory/1748-18-0x0000000000000000-mapping.dmp

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