tinba | d2748c0fadd5926c43c297fbfb921217b664b90ac5f65e195b43a411cad8018b

Analysis

max time kernel
115s
max time network
93s
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 11:52

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General

Target

d2748c0fadd5926c43c297fbfb921217b664b90ac5f65e195b43a411cad8018b.exe
Size

110KB
MD5

806e2d57376c8358d7e4add7b45695d0
SHA1

cba047af6b35f399c0cc41aad15bfca1470773ca
SHA256

d2748c0fadd5926c43c297fbfb921217b664b90ac5f65e195b43a411cad8018b
SHA512

aca46304188a575b4d2363af82379f20a68008287dea322ecfc85310a192ce690534b7fb599de3eed10d2690f2afca00de5fbf3778bcee3a7f6d65c68cc057ea
SSDEEP

1536:piLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:piyvRmDLs/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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\81B023BC = "C:\\Users\\Admin\\AppData\\Roaming\\81B023BC\\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/4264-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4156	3468	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	d2748c0fadd5926c43c297fbfb921217b664b90ac5f65e195b43a411cad8018b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3468	winver.exe
3468	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3468	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 3468	4264	d2748c0fadd5926c43c297fbfb921217b664b90ac5f65e195b43a411cad8018b.exe	83
PID 4264 wrote to memory of 3468	4264	d2748c0fadd5926c43c297fbfb921217b664b90ac5f65e195b43a411cad8018b.exe	83
PID 4264 wrote to memory of 3468	4264	d2748c0fadd5926c43c297fbfb921217b664b90ac5f65e195b43a411cad8018b.exe	83
PID 4264 wrote to memory of 3468	4264	d2748c0fadd5926c43c297fbfb921217b664b90ac5f65e195b43a411cad8018b.exe	83
PID 3468 wrote to memory of 3416	3468	winver.exe	56
PID 3468 wrote to memory of 2568	3468	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2568

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3416
- C:\Users\Admin\AppData\Local\Temp\d2748c0fadd5926c43c297fbfb921217b664b90ac5f65e195b43a411cad8018b.exe
  "C:\Users\Admin\AppData\Local\Temp\d2748c0fadd5926c43c297fbfb921217b664b90ac5f65e195b43a411cad8018b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4264
- - 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:3468
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 352
      4⤵
      Program crash
      PID:4156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3468 -ip 3468
1⤵
PID:3120

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/2568-13-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Filesize
24KB

Download
memory/3416-6-0x00007FF80540D000-0x00007FF80540E000-memory.dmp

Filesize
4KB

Download
memory/3416-2-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download
memory/3416-3-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download
memory/3468-5-0x0000000077642000-0x0000000077643000-memory.dmp

Filesize
4KB

Download
memory/3468-7-0x00007FF805370000-0x00007FF805565000-memory.dmp

Filesize
2.0MB

Download
memory/3468-11-0x00000000028A0000-0x00000000028A6000-memory.dmp

Filesize
24KB

Download
memory/3468-14-0x00000000028A0000-0x00000000028A6000-memory.dmp

Filesize
24KB

Download
memory/4264-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4264-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4264-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4264-9-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4264-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download