tinba | 559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed

Analysis

max time kernel
146s
max time network
137s
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 06:29

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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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1C295A31 = "C:\\Users\\Admin\\AppData\\Roaming\\1C295A31\\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/1008-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
692	5016	WerFault.exe	83

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
5016	winver.exe
5016	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5016	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 5016	1008	559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed.exe	83
PID 1008 wrote to memory of 5016	1008	559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed.exe	83
PID 1008 wrote to memory of 5016	1008	559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed.exe	83
PID 1008 wrote to memory of 5016	1008	559264a82c150d5b658083ca57f764b62cd37077f86dbb6029b5cbc7500494ed.exe	83
PID 5016 wrote to memory of 3444	5016	winver.exe	56
PID 5016 wrote to memory of 2632	5016	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2632

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- 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:1008
- - 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:5016
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 352
      4⤵
      Program crash
      PID:692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5016 -ip 5016
1⤵
PID:788

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/1008-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1008-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1008-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1008-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/1008-10-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/2632-14-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/3444-3-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x00007FF992D0D000-0x00007FF992D0E000-memory.dmp

Filesize
4KB

Download
memory/3444-2-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/5016-7-0x00007FF992C70000-0x00007FF992E65000-memory.dmp

Filesize
2.0MB

Download
memory/5016-5-0x00000000777E2000-0x00000000777E3000-memory.dmp

Filesize
4KB

Download
memory/5016-12-0x00000000026D0000-0x00000000026D6000-memory.dmp

Filesize
24KB

Download
memory/5016-15-0x00000000026D0000-0x00000000026D6000-memory.dmp

Filesize
24KB

Download