Analysis
-
max time kernel
134s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 02:20
Static task
static1
Behavioral task
behavioral1
Sample
c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe
Resource
win7-20240221-en
General
-
Target
c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe
-
Size
339KB
-
MD5
3b3329be5d126e62ea8d68e39c4b31ef
-
SHA1
18c7b121b0b4a303ad797374a1bbc6756364379c
-
SHA256
c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c
-
SHA512
70079c6e87e7a7e1754c8ea5848f06dc4512226fd87a5b677716e41844ac0ba2bda81e6885ad3555b3ed2432ac3830e427564d09d41dd1ec3d27a7c3eb77d02a
-
SSDEEP
6144:UukEhlxtM+hkmVvIF9OLTulOuVIYfeVrwGZy50uSvOKaxuAyEOEFMy0:U5utTx+s+50u/KmuAagr
Malware Config
Extracted
asyncrat
AWS | 3Losh
neq
goodone.loseyourip.com:6606
goodone.loseyourip.com:7707
goodone.loseyourip.com:8808
AsyncMutex_adnocxxs
-
delay
3
-
install
false
-
install_folder
%AppData%
Signatures
-
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4248-4-0x0000000000400000-0x0000000000416000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs -
Detects file containing reversed ASEP Autorun registry keys 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4248-4-0x0000000000400000-0x0000000000416000-memory.dmp INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exedescription pid process target process PID 2668 set thread context of 4248 2668 c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe RegAsm.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
RegAsm.exepid process 4248 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 2668 c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe Token: SeDebugPrivilege 4248 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 4248 RegAsm.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exedescription pid process target process PID 2668 wrote to memory of 4248 2668 c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe RegAsm.exe PID 2668 wrote to memory of 4248 2668 c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe RegAsm.exe PID 2668 wrote to memory of 4248 2668 c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe RegAsm.exe PID 2668 wrote to memory of 4248 2668 c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe RegAsm.exe PID 2668 wrote to memory of 4248 2668 c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe RegAsm.exe PID 2668 wrote to memory of 4248 2668 c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe RegAsm.exe PID 2668 wrote to memory of 4248 2668 c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe RegAsm.exe PID 2668 wrote to memory of 4248 2668 c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe RegAsm.exe PID 2668 wrote to memory of 4948 2668 c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe schtasks.exe PID 2668 wrote to memory of 4948 2668 c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe schtasks.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe"C:\Users\Admin\AppData\Local\Temp\c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /Create /SC MINUTE /MO 14 /TN "DivideShift" /TR "C:\Users\Admin\AppData\Roaming\Ex32_Sequence\c1b1fabf3da9baf3d63792802c211736dcc8f398ec4d59045284f75cb3d7d49c.exe" /F2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/2668-8-0x00007FF83DF30000-0x00007FF83E9F1000-memory.dmpFilesize
10.8MB
-
memory/2668-1-0x00007FF83DF33000-0x00007FF83DF35000-memory.dmpFilesize
8KB
-
memory/2668-2-0x00007FF83DF30000-0x00007FF83E9F1000-memory.dmpFilesize
10.8MB
-
memory/2668-3-0x0000000002750000-0x000000000275A000-memory.dmpFilesize
40KB
-
memory/2668-0-0x0000000000440000-0x000000000049C000-memory.dmpFilesize
368KB
-
memory/4248-10-0x0000000005B40000-0x00000000060E4000-memory.dmpFilesize
5.6MB
-
memory/4248-7-0x000000007424E000-0x000000007424F000-memory.dmpFilesize
4KB
-
memory/4248-9-0x0000000074240000-0x00000000749F0000-memory.dmpFilesize
7.7MB
-
memory/4248-4-0x0000000000400000-0x0000000000416000-memory.dmpFilesize
88KB
-
memory/4248-11-0x0000000005780000-0x0000000005812000-memory.dmpFilesize
584KB
-
memory/4248-12-0x0000000005820000-0x000000000582A000-memory.dmpFilesize
40KB
-
memory/4248-15-0x0000000006910000-0x00000000069AC000-memory.dmpFilesize
624KB
-
memory/4248-16-0x00000000069B0000-0x0000000006A16000-memory.dmpFilesize
408KB
-
memory/4248-17-0x000000007424E000-0x000000007424F000-memory.dmpFilesize
4KB
-
memory/4248-18-0x0000000074240000-0x00000000749F0000-memory.dmpFilesize
7.7MB