azorult | 27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b

General

Target

27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe
Size

543KB
MD5

e555bbbffc72df8a3b14eafd48f36bbc
SHA1

322db6d82578f212e8fb18c7880e9f9de44580b4
SHA256

27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b
SHA512

a9ef31c67cc9e4c5c0ade06d37447978228e967139717b2201eb7acf67d17a5c556cc19927c8d5791b0022f8e3f259730cd85ae841806ef9f7e9234a113b0270
SSDEEP

12288:32EI5cRYSzvuwIkyXS9bVVsKZIUvhnmd3ZhZw:3w6RfJIRIVaKZnmdPZw

Score

10^/10

azorult guloader discovery downloader infostealer trojan

Malware Config

Extracted

Family

azorult

C2

http://mhlc.shop/GI341/index.php

Signatures

Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
trojan infostealer azorult
Azorult family
azorult
Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Loads dropped DLL 1 IoCs

pid	Process
1708	27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1072	27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1708	27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe
1072	27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1708 set thread context of 1072	1708	27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe	91

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\slnger\barometerstandenes.san	27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe

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 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	27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1708	27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 1072	1708	27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe	91
PID 1708 wrote to memory of 1072	1708	27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe	91
PID 1708 wrote to memory of 1072	1708	27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe	91
PID 1708 wrote to memory of 1072	1708	27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe	91
PID 1708 wrote to memory of 1072	1708	27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe	91

C:\Users\Admin\AppData\Local\Temp\27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe
"C:\Users\Admin\AppData\Local\Temp\27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Local\Temp\27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe
  "C:\Users\Admin\AppData\Local\Temp\27ab1252f52866eca728cdbaaf3dcf4ba9c6c0b14a1d8c8973eb13ab2850cb2b.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:1072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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\nsp2A7A.tmp\System.dll

Filesize
11KB

MD5
75ed96254fbf894e42058062b4b4f0d1

SHA1
996503f1383b49021eb3427bc28d13b5bbd11977

SHA256
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

SHA512
58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

Download Submit
memory/1072-13-0x0000000001A40000-0x00000000040F2000-memory.dmp

Filesize
38.7MB

Download
memory/1072-15-0x0000000000060000-0x0000000000087000-memory.dmp

Filesize
156KB

Download
memory/1072-14-0x00000000007E0000-0x0000000001A34000-memory.dmp

Filesize
18.3MB

Download
memory/1072-16-0x00000000007E0000-0x0000000001A34000-memory.dmp

Filesize
18.3MB

Download
memory/1072-17-0x0000000001A40000-0x00000000040F2000-memory.dmp

Filesize
38.7MB

Download
memory/1708-8-0x0000000002DF0000-0x00000000054A2000-memory.dmp

Filesize
38.7MB

Download
memory/1708-9-0x0000000077461000-0x0000000077581000-memory.dmp

Filesize
1.1MB

Download
memory/1708-11-0x0000000074154000-0x0000000074155000-memory.dmp

Filesize
4KB

Download
memory/1708-10-0x0000000002DF0000-0x00000000054A2000-memory.dmp

Filesize
38.7MB

Download
memory/1708-12-0x0000000002DF0000-0x00000000054A2000-memory.dmp

Filesize
38.7MB

Download

Analysis

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