azorult | 83212aec99743518cae606bc7f0f574ac997935c190d81a2804532f02754bd29

Analysis

max time kernel
67s
max time network
126s
platform
windows10_x64
resource
win10v20210410
submitted
22-04-2021 06:44

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General

Target

Marking Machine 30W Specification.exe
Size

245KB
MD5

fd0ca3dbcc6fe2faf4771539a92bc0ee
SHA1

388ac2363090404640dd944f7bea9abd0df0259b
SHA256

83212aec99743518cae606bc7f0f574ac997935c190d81a2804532f02754bd29
SHA512

b6857802174b7469368fcf1034f324f35dc5ef3fa65ef729106fb1900e848de584c9ba967ca9d6c46d59e2f737f31f92f3bb526966f0d97557b629eb834581ac

Score

10^/10

azorult oski discovery infostealer spyware stealer trojan

Malware Config

Extracted

Family

oski

45.144.225.118

Extracted

Family

azorult

http://lexusbiscuit.com/OiuBn/index.php

Signatures

Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
trojan infostealer azorult
Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

736200326766.exe736200326766.exe

pid process

1320 736200326766.exe
396 736200326766.exe

pid	process
1320	736200326766.exe
396	736200326766.exe

Loads dropped DLL 10 IoCs

Processes:

Marking Machine 30W Specification.exeMarking Machine 30W Specification.exe736200326766.exe736200326766.exe

pid	process
3904	Marking Machine 30W Specification.exe
1236	Marking Machine 30W Specification.exe
1236	Marking Machine 30W Specification.exe
1236	Marking Machine 30W Specification.exe
1320	736200326766.exe
396	736200326766.exe
396	736200326766.exe
396	736200326766.exe
396	736200326766.exe
396	736200326766.exe

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 2 IoCs

Processes:

Marking Machine 30W Specification.exe736200326766.exe

description	pid	process	target process
PID 3904 set thread context of 1236	3904	Marking Machine 30W Specification.exe	Marking Machine 30W Specification.exe
PID 1320 set thread context of 396	1320	736200326766.exe	736200326766.exe

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

System Information Discovery
T1082

NSIS installer 6 IoCs

installer

Processes:

resource	yara_rule
C:\ProgramData\736200326766.exe	nsis_installer_1
C:\ProgramData\736200326766.exe	nsis_installer_2
C:\ProgramData\736200326766.exe	nsis_installer_1
C:\ProgramData\736200326766.exe	nsis_installer_2
C:\ProgramData\736200326766.exe	nsis_installer_1
C:\ProgramData\736200326766.exe	nsis_installer_2

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

Marking Machine 30W Specification.exe736200326766.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Marking Machine 30W Specification.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	736200326766.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	736200326766.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

648 taskkill.exe
NTFS ADS 1 IoCs

Processes:

Marking Machine 30W Specification.exe

description ioc process

File created C:\ProgramData\736200326766.exe:Zone.Identifier Marking Machine 30W Specification.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

736200326766.exe

pid process

396 736200326766.exe
396 736200326766.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Marking Machine 30W Specification.exe736200326766.exe

pid process

3904 Marking Machine 30W Specification.exe
1320 736200326766.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 648 taskkill.exe

pid	process
648	taskkill.exe

description	ioc	process
File created	C:\ProgramData\736200326766.exe:Zone.Identifier	Marking Machine 30W Specification.exe

pid	process
396	736200326766.exe
396	736200326766.exe

description	pid	process
Token: SeDebugPrivilege	648	taskkill.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Marking Machine 30W Specification.exeMarking Machine 30W Specification.execmd.exe736200326766.exe

description	pid	process	target process
PID 3904 wrote to memory of 1236	3904	Marking Machine 30W Specification.exe	Marking Machine 30W Specification.exe
PID 3904 wrote to memory of 1236	3904	Marking Machine 30W Specification.exe	Marking Machine 30W Specification.exe
PID 3904 wrote to memory of 1236	3904	Marking Machine 30W Specification.exe	Marking Machine 30W Specification.exe
PID 3904 wrote to memory of 1236	3904	Marking Machine 30W Specification.exe	Marking Machine 30W Specification.exe
PID 1236 wrote to memory of 1320	1236	Marking Machine 30W Specification.exe	736200326766.exe
PID 1236 wrote to memory of 1320	1236	Marking Machine 30W Specification.exe	736200326766.exe
PID 1236 wrote to memory of 1320	1236	Marking Machine 30W Specification.exe	736200326766.exe
PID 1236 wrote to memory of 340	1236	Marking Machine 30W Specification.exe	cmd.exe
PID 1236 wrote to memory of 340	1236	Marking Machine 30W Specification.exe	cmd.exe
PID 1236 wrote to memory of 340	1236	Marking Machine 30W Specification.exe	cmd.exe
PID 340 wrote to memory of 648	340	cmd.exe	taskkill.exe
PID 340 wrote to memory of 648	340	cmd.exe	taskkill.exe
PID 340 wrote to memory of 648	340	cmd.exe	taskkill.exe
PID 1320 wrote to memory of 396	1320	736200326766.exe	736200326766.exe
PID 1320 wrote to memory of 396	1320	736200326766.exe	736200326766.exe
PID 1320 wrote to memory of 396	1320	736200326766.exe	736200326766.exe
PID 1320 wrote to memory of 396	1320	736200326766.exe	736200326766.exe

C:\Users\Admin\AppData\Local\Temp\Marking Machine 30W Specification.exe
"C:\Users\Admin\AppData\Local\Temp\Marking Machine 30W Specification.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3904

C:\Users\Admin\AppData\Local\Temp\Marking Machine 30W Specification.exe
"C:\Users\Admin\AppData\Local\Temp\Marking Machine 30W Specification.exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:1236

C:\ProgramData\736200326766.exe
"C:\ProgramData\736200326766.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1320

C:\ProgramData\736200326766.exe
"C:\ProgramData\736200326766.exe"
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:396

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /pid 1236 & erase C:\Users\Admin\AppData\Local\Temp\Marking Machine 30W Specification.exe & RD /S /Q C:\\ProgramData\\324511592278973\\* & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:340

C:\Windows\SysWOW64\taskkill.exe
taskkill /pid 1236
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:648

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\736200326766.exe

MD5
719969e204f366a74528dd16a0c47239

SHA1
5feff5edf982b227be840c7c4bdd3f8695ab520e

SHA256
d6bce670eedb3e82eaceb6ec24f159f3e8f805b42a2ff61c688edb686e0ff490

SHA512
459ca353837d9810168410e5d92a2ee4c5934c894d0d666c9d519a0a6ae9cba841c9c074f9ca5d27774f15ba64366ff9a0466951c3054e7b40f4934fc58f6f33

Download Submit
C:\ProgramData\736200326766.exe

MD5
719969e204f366a74528dd16a0c47239

SHA1
5feff5edf982b227be840c7c4bdd3f8695ab520e

SHA256
d6bce670eedb3e82eaceb6ec24f159f3e8f805b42a2ff61c688edb686e0ff490

SHA512
459ca353837d9810168410e5d92a2ee4c5934c894d0d666c9d519a0a6ae9cba841c9c074f9ca5d27774f15ba64366ff9a0466951c3054e7b40f4934fc58f6f33

Download Submit
C:\ProgramData\736200326766.exe

MD5
719969e204f366a74528dd16a0c47239

SHA1
5feff5edf982b227be840c7c4bdd3f8695ab520e

SHA256
d6bce670eedb3e82eaceb6ec24f159f3e8f805b42a2ff61c688edb686e0ff490

SHA512
459ca353837d9810168410e5d92a2ee4c5934c894d0d666c9d519a0a6ae9cba841c9c074f9ca5d27774f15ba64366ff9a0466951c3054e7b40f4934fc58f6f33

Download Submit
\ProgramData\mozglue.dll

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\nss3.dll

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
\ProgramData\sqlite3.dll

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
\Users\Admin\AppData\Local\Temp\8093A008\mozglue.dll

MD5
9e682f1eb98a9d41468fc3e50f907635

SHA1
85e0ceca36f657ddf6547aa0744f0855a27527ee

SHA256
830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

SHA512
230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

Download Submit
\Users\Admin\AppData\Local\Temp\8093A008\msvcp140.dll

MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
\Users\Admin\AppData\Local\Temp\8093A008\nss3.dll

MD5
556ea09421a0f74d31c4c0a89a70dc23

SHA1
f739ba9b548ee64b13eb434a3130406d23f836e3

SHA256
f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

SHA512
2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

Download Submit
\Users\Admin\AppData\Local\Temp\8093A008\vcruntime140.dll

MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
\Users\Admin\AppData\Local\Temp\8093A008\vcruntime140.dll

MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
\Users\Admin\AppData\Local\Temp\nse1312.tmp\6vw4w93.dll

MD5
21d6078eafde0f1eaaf1f80d8c5602cd

SHA1
99b147793badc5d138b7b870ddceb5474975391c

SHA256
6df1241eb9c87a5cb4ae26a7bf94b53ab41e20bad8d1fff241cd0d301d337803

SHA512
9f4cd37521fdd3208345debfc1276c8657c5f5d46e339c4a44496b041dea4fc15447ba3c231785c844512ea3d05ecd03b37a1667aaebf1504a12c7e421769465

Download Submit
\Users\Admin\AppData\Local\Temp\nsgFCBC.tmp\tht7yqz2nk.dll

MD5
226ae6ccf3a017528c87631e74cd6530

SHA1
91f79a1ca5aa51b47d125ffad2bef9140d29e81c

SHA256
748a75e6bf2ae1252a7770aa96287bf2ed6ab1d49d83078747f6e02949c2db1d

SHA512
4275e161bf231c338bb774ba63a41ae337f89957cfd402819773c96853d01994ff9fc67a8acd16206d080761fffc735a65f81f22ec162fd1afc9aedcf4e0619f

Download Submit
memory/340-125-0x0000000000000000-mapping.dmp

Download
memory/396-127-0x000000000041A684-mapping.dmp

Download
memory/396-130-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/648-126-0x0000000000000000-mapping.dmp

Download
memory/1236-117-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1236-116-0x000000000040717B-mapping.dmp

Download
memory/1320-129-0x00000000020F0000-0x00000000020F2000-memory.dmp

Filesize
8KB

Download
memory/1320-121-0x0000000000000000-mapping.dmp

Download
memory/3904-115-0x0000000002440000-0x0000000002442000-memory.dmp

Filesize
8KB

Download