tinba | 09c2eab13f9ba5ccbc03bc893531a38be393cfce5bd58fd8402209838ef9123b

Analysis

max time kernel
118s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 09:50

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General

Target
16460ed181bd4938197de8d30388beb0N.exe
Size 45KB
Sample240907-lvbjmaxgnn
SHA256 09c2eab13f9ba5ccbc03bc893531a38be393cfce5bd58fd8402209838ef9123b
MD5 16460ed181bd4938197de8d30388beb0
SHA1 95ce0dea28162b1fc5e66b4f248f848093b58830
SHA512 938cb1fa9577625caa4b36b93340b85e8ec5ebd81dc83e51e7bea794d2d8bfa1dcfed15c648c06881f5c9c72915c308fa11252044f565071d53604d347d0dcd9
SSDEEP 768:4hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:EsWE9N5dFu53dsniQaB/xZ14n7zIF+qr
MD5 SHA1 SHA512 SSDEEP

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4824-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\17D3CF0F = "C:\\Users\\Admin\\AppData\\Roaming\\17D3CF0F\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2828	3188	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	16460ed181bd4938197de8d30388beb0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3188	winver.exe
3188	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3188	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3536	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 3188	4824	16460ed181bd4938197de8d30388beb0N.exe	84
PID 4824 wrote to memory of 3188	4824	16460ed181bd4938197de8d30388beb0N.exe	84
PID 4824 wrote to memory of 3188	4824	16460ed181bd4938197de8d30388beb0N.exe	84
PID 4824 wrote to memory of 3188	4824	16460ed181bd4938197de8d30388beb0N.exe	84
PID 3188 wrote to memory of 3536	3188	winver.exe	56
PID 3188 wrote to memory of 2468	3188	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2468

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3536
- C:\Users\Admin\AppData\Local\Temp\16460ed181bd4938197de8d30388beb0N.exe
  "C:\Users\Admin\AppData\Local\Temp\16460ed181bd4938197de8d30388beb0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4824
- - 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:3188
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 352
      4⤵
      Program crash
      PID:2828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3188 -ip 3188
1⤵
PID:4988

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/2468-15-0x0000000000980000-0x0000000000986000-memory.dmp

Download

memory/3188-5-0x00000000774C2000-0x00000000774C3000-memory.dmp

Download

memory/3188-16-0x00000000029E0000-0x00000000029E6000-memory.dmp

Download

memory/3188-13-0x00000000029E0000-0x00000000029E6000-memory.dmp

Download

memory/3188-7-0x00007FFDE1D10000-0x00007FFDE1F05000-memory.dmp

Download

memory/3536-2-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Download

memory/3536-6-0x00007FFDE1DAD000-0x00007FFDE1DAE000-memory.dmp

Download

memory/3536-8-0x00007FFDE1F40000-0x00007FFDE1F41000-memory.dmp

Download

memory/3536-3-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Download

memory/4824-4-0x0000000002050000-0x0000000002A50000-memory.dmp

Download

memory/4824-10-0x0000000000400000-0x000000000041D000-memory.dmp

Download

memory/4824-11-0x0000000002050000-0x0000000002A50000-memory.dmp

Download

memory/4824-0-0x0000000000400000-0x000000000041D000-memory.dmp

Download

memory/4824-1-0x0000000002020000-0x0000000002021000-memory.dmp

Download