tinba | 358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57e

Analysis

max time kernel
106s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2024 21:56

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General

Target

358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe
Size

59KB
MD5

2c43c4ae1e567ea15f1e08b73a1903f0
SHA1

aea8eb4936265f4a44178285f316deb2d7651d33
SHA256

358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57e
SHA512

1346084be4daeb971659487e5bc53b296d2158d49b0c696e2357a03854006635a751ebd52a400f1d74a686e742fcc0a3082b2c11b55bd776006c28188fe37762
SSDEEP

768:M+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9JH:M+mFM2HXKZgiFP7xIksu+XM5O9JH

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3A447B3E = "C:\\Users\\Admin\\AppData\\Roaming\\3A447B3E\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2216	4732	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	358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4732	winver.exe
4732	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3468	Explorer.EXE
Token: SeCreatePagefilePrivilege	3468	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4732	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 4732	2532	358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe	83
PID 2532 wrote to memory of 4732	2532	358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe	83
PID 2532 wrote to memory of 4732	2532	358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe	83
PID 2532 wrote to memory of 4732	2532	358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe	83
PID 4732 wrote to memory of 3468	4732	winver.exe	56
PID 4732 wrote to memory of 2872	4732	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2872

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3468
- C:\Users\Admin\AppData\Local\Temp\358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe
  "C:\Users\Admin\AppData\Local\Temp\358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2532
- - 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:4732
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 356
      4⤵
      Program crash
      PID:2216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4732 -ip 4732
1⤵
PID:1772

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/2532-0-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2532-3-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/2532-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2532-8-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/2872-12-0x0000000000D60000-0x0000000000D66000-memory.dmp

Filesize
24KB

Download
memory/3468-2-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/3468-1-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/3468-5-0x00007FFD2908D000-0x00007FFD2908E000-memory.dmp

Filesize
4KB

Download
memory/4732-4-0x0000000077642000-0x0000000077643000-memory.dmp

Filesize
4KB

Download
memory/4732-6-0x00007FFD28FF0000-0x00007FFD291E5000-memory.dmp

Filesize
2.0MB

Download
memory/4732-10-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/4732-13-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download