tinba | 013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 10:22

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General

Target

013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe
Size

88KB
MD5

28e3b869cb32800841d115bc98bbc251
SHA1

9bce57f5ff0433654830ae7f1b6b6c13068ff970
SHA256

013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9
SHA512

65fd80333d52401e45f3278ffb6e7a855f058258c3c1d36e660dee8e89ed2cf4981710a34b2f471a9cffdcd077166d78cd3c99f9d954172a68bb6b711e466658
SSDEEP

1536:F5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:F5fvp12UFKcD/6jwqWsNI

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8FCA1BFD = "C:\\Users\\Admin\\AppData\\Roaming\\8FCA1BFD\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5092	4776	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	013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4776	winver.exe
4776	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
4776	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 4776	2968	013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe	83
PID 2968 wrote to memory of 4776	2968	013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe	83
PID 2968 wrote to memory of 4776	2968	013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe	83
PID 2968 wrote to memory of 4776	2968	013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe	83
PID 4776 wrote to memory of 3416	4776	winver.exe	56
PID 4776 wrote to memory of 2612	4776	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3416
- C:\Users\Admin\AppData\Local\Temp\013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe
  "C:\Users\Admin\AppData\Local\Temp\013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2968
- - 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:4776
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 352
      4⤵
      Program crash
      PID:5092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4776 -ip 4776
1⤵
PID:1156

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/2612-12-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/2968-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2968-3-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/2968-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2968-8-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/3416-1-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

Download
memory/3416-2-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

Download
memory/3416-5-0x00007FFE187ED000-0x00007FFE187EE000-memory.dmp

Filesize
4KB

Download
memory/4776-4-0x0000000077892000-0x0000000077893000-memory.dmp

Filesize
4KB

Download
memory/4776-6-0x00007FFE18750000-0x00007FFE18945000-memory.dmp

Filesize
2.0MB

Download
memory/4776-10-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/4776-13-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download