azorult | ddcaa3b14d33d6d27dc1467709b05d69df392d4c7d8d2699beda137ea237a224

General

Target
Halkbank01.exe
Size 472KB
Sample210915-e5zwmsgff2
SHA256 ddcaa3b14d33d6d27dc1467709b05d69df392d4c7d8d2699beda137ea237a224
MD5 5582fe6e6efed19464dd03225a30c958
SHA1 36b4846522ffcf6ad4f89bccb3c4c2a254287539
SHA512 d58d6db8ecf816f3bded92698b89ffa42dc2725329b7237eaefb043cc562068cf70122784099009f6658d51403374c73a8817b114937d6b66808945c927f66b7
MD5 SHA1 SHA512

Score

10^/10

Family

C2

Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
trojan infostealer azorult

Loads dropped DLL 4 IoCs

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

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

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1832 set thread context of 4020	1832	Halkbank01.exe	75

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Halkbank01.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Halkbank01.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task

pid	Process
3508	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3712	timeout.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1832	Halkbank01.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 3508	1832	Halkbank01.exe	72
PID 1832 wrote to memory of 3508	1832	Halkbank01.exe	72
PID 1832 wrote to memory of 3508	1832	Halkbank01.exe	72
PID 1832 wrote to memory of 2836	1832	Halkbank01.exe	73
PID 1832 wrote to memory of 2836	1832	Halkbank01.exe	73
PID 1832 wrote to memory of 2836	1832	Halkbank01.exe	73
PID 1832 wrote to memory of 2844	1832	Halkbank01.exe	76
PID 1832 wrote to memory of 2844	1832	Halkbank01.exe	76
PID 1832 wrote to memory of 2844	1832	Halkbank01.exe	76
PID 1832 wrote to memory of 4020	1832	Halkbank01.exe	75
PID 1832 wrote to memory of 4020	1832	Halkbank01.exe	75
PID 1832 wrote to memory of 4020	1832	Halkbank01.exe	75
PID 1832 wrote to memory of 4020	1832	Halkbank01.exe	75
PID 1832 wrote to memory of 4020	1832	Halkbank01.exe	75
PID 1832 wrote to memory of 4020	1832	Halkbank01.exe	75
PID 1832 wrote to memory of 4020	1832	Halkbank01.exe	75
PID 1832 wrote to memory of 4020	1832	Halkbank01.exe	75
PID 1832 wrote to memory of 4020	1832	Halkbank01.exe	75
PID 4020 wrote to memory of 3088	4020	Halkbank01.exe	77
PID 4020 wrote to memory of 3088	4020	Halkbank01.exe	77
PID 4020 wrote to memory of 3088	4020	Halkbank01.exe	77
PID 3088 wrote to memory of 3712	3088	cmd.exe	79
PID 3088 wrote to memory of 3712	3088	cmd.exe	79
PID 3088 wrote to memory of 3712	3088	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\Halkbank01.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank01.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DDHAqpuflAu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp11A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3508
- C:\Users\Admin\AppData\Local\Temp\Halkbank01.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank01.exe"
  2⤵
  PID:2836
- C:\Users\Admin\AppData\Local\Temp\Halkbank01.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank01.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4020
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "Halkbank01.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3088
  - - C:\Windows\SysWOW64\timeout.exe
      C:\Windows\system32\timeout.exe 3
      4⤵
      Delays execution with timeout.exe
      PID:3712
- C:\Users\Admin\AppData\Local\Temp\Halkbank01.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank01.exe"
  2⤵
  PID:2844