tinba | eb338fd1e7ff4df5e08370cc1aeccd24784257032d809dce6792eb6e457d4b38

Analysis

max time kernel
118s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2024, 16:48

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General

Target

eb338fd1e7ff4df5e08370cc1aeccd24784257032d809dce6792eb6e457d4b38N.exe
Size

59KB
MD5

90a032c73eea03f598943b7c8dc33ea0
SHA1

18f2b2b950076586020a7b9053dc4ca702cede85
SHA256

eb338fd1e7ff4df5e08370cc1aeccd24784257032d809dce6792eb6e457d4b38
SHA512

af891ebc931a24ad6fb84f98b8e840f7babb563f335fee60038a19273e8af883900ced534bcbe1e23bd18507fffa646599717e94e7e3179e99bd4f3a7fd93128
SSDEEP

768:e+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:e+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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\10C94509 = "C:\\Users\\Admin\\AppData\\Roaming\\10C94509\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1632	1296	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	eb338fd1e7ff4df5e08370cc1aeccd24784257032d809dce6792eb6e457d4b38N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1296	winver.exe
1296	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1296	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3476	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 1296	1972	eb338fd1e7ff4df5e08370cc1aeccd24784257032d809dce6792eb6e457d4b38N.exe	85
PID 1972 wrote to memory of 1296	1972	eb338fd1e7ff4df5e08370cc1aeccd24784257032d809dce6792eb6e457d4b38N.exe	85
PID 1972 wrote to memory of 1296	1972	eb338fd1e7ff4df5e08370cc1aeccd24784257032d809dce6792eb6e457d4b38N.exe	85
PID 1972 wrote to memory of 1296	1972	eb338fd1e7ff4df5e08370cc1aeccd24784257032d809dce6792eb6e457d4b38N.exe	85
PID 1296 wrote to memory of 3476	1296	winver.exe	56
PID 1296 wrote to memory of 2656	1296	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3476
- C:\Users\Admin\AppData\Local\Temp\eb338fd1e7ff4df5e08370cc1aeccd24784257032d809dce6792eb6e457d4b38N.exe
  "C:\Users\Admin\AppData\Local\Temp\eb338fd1e7ff4df5e08370cc1aeccd24784257032d809dce6792eb6e457d4b38N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1972
- - 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:1296
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1296 -s 360
      4⤵
      Program crash
      PID:1632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1296 -ip 1296
1⤵
PID:3568

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/1296-4-0x00000000771A2000-0x00000000771A3000-memory.dmp

Filesize
4KB

Download
memory/1296-14-0x0000000001490000-0x0000000001496000-memory.dmp

Filesize
24KB

Download
memory/1296-11-0x0000000001490000-0x0000000001496000-memory.dmp

Filesize
24KB

Download
memory/1296-6-0x00007FFA00DF0000-0x00007FFA00FE5000-memory.dmp

Filesize
2.0MB

Download
memory/1972-3-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/1972-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/1972-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1972-9-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/2656-13-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2656-16-0x00007FFA01010000-0x00007FFA01011000-memory.dmp

Filesize
4KB

Download
memory/3476-5-0x00007FFA00E8D000-0x00007FFA00E8E000-memory.dmp

Filesize
4KB

Download
memory/3476-7-0x00007FFA01020000-0x00007FFA01021000-memory.dmp

Filesize
4KB

Download
memory/3476-1-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

Download
memory/3476-2-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

Download