tinba | 7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 01:05

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General

Target

7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe
Size

110KB
MD5

bf637dc1e133f068f2080e8da37053a0
SHA1

3b25c227622078b5e4e0454d5e82115ddde164f3
SHA256

7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35
SHA512

aa440477e97e914993b796adc320e16fa5f14370193e7c7addf1c6f1f81249ff9d65feae2595e489557e89a708c928e0cd9d9e80343783e092bfe38abedc8b72
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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\50BAEDC8 = "C:\\Users\\Admin\\AppData\\Roaming\\50BAEDC8\\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/5104-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3424	1344	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	7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1344	winver.exe
1344	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3496	Explorer.EXE
Token: SeCreatePagefilePrivilege	3496	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1344	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 1344	5104	7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe	84
PID 5104 wrote to memory of 1344	5104	7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe	84
PID 5104 wrote to memory of 1344	5104	7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe	84
PID 5104 wrote to memory of 1344	5104	7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe	84
PID 1344 wrote to memory of 3496	1344	winver.exe	56
PID 1344 wrote to memory of 2660	1344	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2660

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3496
- C:\Users\Admin\AppData\Local\Temp\7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe
  "C:\Users\Admin\AppData\Local\Temp\7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5104
- - 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:1344
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 352
      4⤵
      Program crash
      PID:3424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1344 -ip 1344
1⤵
PID:2812

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/1344-5-0x00000000774E2000-0x00000000774E3000-memory.dmp

Filesize
4KB

Download
memory/1344-14-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/1344-11-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/1344-7-0x00007FF91AA10000-0x00007FF91AC05000-memory.dmp

Filesize
2.0MB

Download
memory/2660-13-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/3496-2-0x00000000014C0000-0x00000000014C6000-memory.dmp

Filesize
24KB

Download
memory/3496-6-0x00007FF91AAAD000-0x00007FF91AAAE000-memory.dmp

Filesize
4KB

Download
memory/3496-3-0x00000000014C0000-0x00000000014C6000-memory.dmp

Filesize
24KB

Download
memory/5104-4-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/5104-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/5104-9-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/5104-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/5104-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download