tinba | 559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed

Analysis

max time kernel
104s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2024 06:23

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General

Target

559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed.exe
Size

110KB
MD5

2d2b55cf3d94c834e3727a49b769c6cf
SHA1

6e77f7fc6828e8171387fff3b7bb73cb3a429ca6
SHA256

559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed
SHA512

2c4faf05e9206a7626cd0573685a919be0920baad40aaa486891ad020a8d6687af464094d0c68ecea2dddec5e7747e098a1c89d997c9f32c96ebedb8522d6f2f
SSDEEP

1536:YiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:YiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9BC87EDA = "C:\\Users\\Admin\\AppData\\Roaming\\9BC87EDA\\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/3420-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
540	2432	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	559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2432	winver.exe
2432	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2432	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 2432	3420	559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed.exe	84
PID 3420 wrote to memory of 2432	3420	559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed.exe	84
PID 3420 wrote to memory of 2432	3420	559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed.exe	84
PID 3420 wrote to memory of 2432	3420	559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed.exe	84
PID 2432 wrote to memory of 3392	2432	winver.exe	56
PID 2432 wrote to memory of 2932	2432	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2932

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3392
- C:\Users\Admin\AppData\Local\Temp\559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed.exe
  "C:\Users\Admin\AppData\Local\Temp\559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3420
- - 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:2432
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 352
      4⤵
      Program crash
      PID:540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2432 -ip 2432
1⤵
PID:840

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/2432-5-0x0000000077322000-0x0000000077323000-memory.dmp

Filesize
4KB

Download
memory/2432-14-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/2432-11-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/2432-7-0x00007FFC99CB0000-0x00007FFC99EA5000-memory.dmp

Filesize
2.0MB

Download
memory/2932-13-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3392-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3392-6-0x00007FFC99D4D000-0x00007FFC99D4E000-memory.dmp

Filesize
4KB

Download
memory/3392-2-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3420-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/3420-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3420-9-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/3420-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3420-1-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download