tinba | 52de61824deb74e4cda27f246f88818ad83ffd912c45819d38a8a4de9cb4d5af

Analysis

max time kernel
110s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 00:05

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General

Target

52de61824deb74e4cda27f246f88818ad83ffd912c45819d38a8a4de9cb4d5af.exe
Size

160KB
MD5

cedeb9a9d9176194bcbdec2148684d63
SHA1

3bebc8bf2675f6dac6f972b76c80e6e2976fcb15
SHA256

52de61824deb74e4cda27f246f88818ad83ffd912c45819d38a8a4de9cb4d5af
SHA512

2b9b2b4c538242bd1cb91be7e0e0c85db75bbcbc1f117ce92fa20dd69121d403fcefff7518779b4c0e22927eb3a520ed11a47bb65a3ccb2e930fdf54705cd40e
SSDEEP

1536:fEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph0:MY+4MiIkLZJNAQ9J6vq

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3BBBA794 = "C:\\Users\\Admin\\AppData\\Roaming\\3BBBA794\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4616-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4584	1180	WerFault.exe	84

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	52de61824deb74e4cda27f246f88818ad83ffd912c45819d38a8a4de9cb4d5af.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1180	winver.exe
1180	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1180	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 1180	4616	52de61824deb74e4cda27f246f88818ad83ffd912c45819d38a8a4de9cb4d5af.exe	84
PID 4616 wrote to memory of 1180	4616	52de61824deb74e4cda27f246f88818ad83ffd912c45819d38a8a4de9cb4d5af.exe	84
PID 4616 wrote to memory of 1180	4616	52de61824deb74e4cda27f246f88818ad83ffd912c45819d38a8a4de9cb4d5af.exe	84
PID 4616 wrote to memory of 1180	4616	52de61824deb74e4cda27f246f88818ad83ffd912c45819d38a8a4de9cb4d5af.exe	84
PID 1180 wrote to memory of 3448	1180	winver.exe	56
PID 1180 wrote to memory of 3016	1180	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3016

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3448
- C:\Users\Admin\AppData\Local\Temp\52de61824deb74e4cda27f246f88818ad83ffd912c45819d38a8a4de9cb4d5af.exe
  "C:\Users\Admin\AppData\Local\Temp\52de61824deb74e4cda27f246f88818ad83ffd912c45819d38a8a4de9cb4d5af.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4616
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1180
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 352
      4⤵
      Program crash
      PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1180 -ip 1180
1⤵
PID:1324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1180-6-0x0000000077C22000-0x0000000077C23000-memory.dmp

Filesize
4KB

Download
memory/1180-15-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/1180-8-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

Filesize
2.0MB

Download
memory/1180-5-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/3016-14-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

Download
memory/3448-2-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/3448-7-0x00007FFBDBAAD000-0x00007FFBDBAAE000-memory.dmp

Filesize
4KB

Download
memory/3448-3-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/4616-4-0x0000000002180000-0x0000000002B80000-memory.dmp

Filesize
10.0MB

Download
memory/4616-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4616-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4616-10-0x0000000002180000-0x0000000002B80000-memory.dmp

Filesize
10.0MB

Download
memory/4616-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download