tinba | 88b28712851de70e68340527f01f8b108160b3ecb411a2fd232e15d2c9e19b37

Analysis

max time kernel
148s
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
21-01-2025 10:37

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General

Target

88b28712851de70e68340527f01f8b108160b3ecb411a2fd232e15d2c9e19b37.exe
Size

88KB
MD5

419453a9cd0b10329bcf544230508924
SHA1

91b4137c18c06632a99b5119bd289eabffe5dd26
SHA256

88b28712851de70e68340527f01f8b108160b3ecb411a2fd232e15d2c9e19b37
SHA512

e831cea1742b332f5b13b1840c03025ffe8bca86ec3acd4bdc74f54a11d1e953f9c3c458d58474eaf93e30638090b7337126ec3e583feeb41f49addfca2e68de
SSDEEP

1536:vz44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsNI:vzvokZR/KM/ysjwqWsNI

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\572D1B63 = "C:\\Users\\Admin\\AppData\\Roaming\\572D1B63\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
924	1532	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	88b28712851de70e68340527f01f8b108160b3ecb411a2fd232e15d2c9e19b37.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1532	winver.exe
1532	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
1532	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 1532	2968	88b28712851de70e68340527f01f8b108160b3ecb411a2fd232e15d2c9e19b37.exe	83
PID 2968 wrote to memory of 1532	2968	88b28712851de70e68340527f01f8b108160b3ecb411a2fd232e15d2c9e19b37.exe	83
PID 2968 wrote to memory of 1532	2968	88b28712851de70e68340527f01f8b108160b3ecb411a2fd232e15d2c9e19b37.exe	83
PID 2968 wrote to memory of 1532	2968	88b28712851de70e68340527f01f8b108160b3ecb411a2fd232e15d2c9e19b37.exe	83
PID 1532 wrote to memory of 3416	1532	winver.exe	56
PID 1532 wrote to memory of 2612	1532	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\88b28712851de70e68340527f01f8b108160b3ecb411a2fd232e15d2c9e19b37.exe
  "C:\Users\Admin\AppData\Local\Temp\88b28712851de70e68340527f01f8b108160b3ecb411a2fd232e15d2c9e19b37.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:1532
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1532 -s 352
      4⤵
      Program crash
      PID:924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1532 -ip 1532
1⤵
PID:1492

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/1532-4-0x0000000077892000-0x0000000077893000-memory.dmp

Filesize
4KB

Download
memory/1532-6-0x00007FFE18750000-0x00007FFE18945000-memory.dmp

Filesize
2.0MB

Download
memory/1532-10-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/1532-13-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

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

Filesize
24KB

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

Filesize
4KB

Download
memory/2968-3-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

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

Filesize
92KB

Download
memory/2968-8-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/3416-2-0x0000000003100000-0x0000000003106000-memory.dmp

Filesize
24KB

Download
memory/3416-1-0x0000000003100000-0x0000000003106000-memory.dmp

Filesize
24KB

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

Filesize
4KB

Download