tinba | a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2

Analysis

max time kernel
119s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-01-2025 02:57

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General

Target

a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe
Size

110KB
MD5

017e9c01492ad088a25596ffe674bae0
SHA1

028855964d0298621cb29ddba32e356df16ed927
SHA256

a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2
SHA512

352d8dfed7c9a250c3320801fc697ea93be0f890b8dbfb30caa7070454905701b5ddbc96f862571c623e791f3c79a1f375f95044f250aa333b37aa479cd26ee6
SSDEEP

1536:GiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:GiyvRmDLs/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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1505E2E1 = "C:\\Users\\Admin\\AppData\\Roaming\\1505E2E1\\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/2600-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1760	760	WerFault.exe	86

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	a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
760	winver.exe
760	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
760	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 760	2600	a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe	86
PID 2600 wrote to memory of 760	2600	a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe	86
PID 2600 wrote to memory of 760	2600	a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe	86
PID 2600 wrote to memory of 760	2600	a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe	86
PID 760 wrote to memory of 3444	760	winver.exe	56
PID 760 wrote to memory of 3040	760	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3040

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe
  "C:\Users\Admin\AppData\Local\Temp\a50dd600214a9b6d210a4422fd53129a8d68ddd5b840313d834bd4faf88d13e2N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2600
- - 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:760
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 760 -s 352
      4⤵
      Program crash
      PID:1760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 760 -ip 760
1⤵
PID:2216

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/760-5-0x00000000778B2000-0x00000000778B3000-memory.dmp

Filesize
4KB

Download
memory/760-15-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Filesize
24KB

Download
memory/760-12-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Filesize
24KB

Download
memory/760-7-0x00007FFCD4850000-0x00007FFCD4A45000-memory.dmp

Filesize
2.0MB

Download
memory/2600-10-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/2600-4-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/2600-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2600-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2600-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/3040-14-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x00007FFCD48ED000-0x00007FFCD48EE000-memory.dmp

Filesize
4KB

Download
memory/3444-3-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download