tinba | bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2024 06:13

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General

Target

bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe
Size

59KB
MD5

cb2f96b6b27fcc29ab32d1ea49fcb680
SHA1

f0fe80f297728e920e086b949edd9d62e57db69e
SHA256

bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091
SHA512

907974aebaf2dcccf0bf7679c44e8ee94b80a310785bec153e08f26f36a0e96a764514e69f8762390dcbfde8d9fec01aab1ad0c34a1017031a399c099e63dc3f
SSDEEP

768:n+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:n+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B145767F = "C:\\Users\\Admin\\AppData\\Roaming\\B145767F\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3860	2408	WerFault.exe	85

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2408	winver.exe
2408	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2408	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3408	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 2408	1524	bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe	85
PID 1524 wrote to memory of 2408	1524	bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe	85
PID 1524 wrote to memory of 2408	1524	bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe	85
PID 1524 wrote to memory of 2408	1524	bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe	85
PID 2408 wrote to memory of 3408	2408	winver.exe	56
PID 2408 wrote to memory of 2596	2408	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3408
- C:\Users\Admin\AppData\Local\Temp\bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe
  "C:\Users\Admin\AppData\Local\Temp\bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1524
- - 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:2408
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 352
      4⤵
      Program crash
      PID:3860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2408 -ip 2408
1⤵
PID:4640

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/1524-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1524-3-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/1524-0-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/1524-7-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/2408-5-0x00007FFE62070000-0x00007FFE62265000-memory.dmp

Filesize
2.0MB

Download
memory/2408-10-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/2408-13-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/2596-12-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/2596-15-0x00007FFE62290000-0x00007FFE62291000-memory.dmp

Filesize
4KB

Download
memory/3408-2-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/3408-1-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/3408-4-0x00007FFE6210D000-0x00007FFE6210E000-memory.dmp

Filesize
4KB

Download
memory/3408-8-0x00007FFE622A0000-0x00007FFE622A1000-memory.dmp

Filesize
4KB

Download