tinba | fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 23:40

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General

Target

fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe
Size

59KB
MD5

09ed2a3622051d56d17b0c8a4f4038c0
SHA1

db88de9a9648b57c6adf18c00e00243fa6efd7ab
SHA256

fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890
SHA512

6fcd83bc08789002892edf4068da6feeac05730ec382c208648f4046783e282666db599d47af341f18a933073fb434106d015fe54c0b0adce7bcf165f01705df
SSDEEP

768:G+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9Jf:G+mFM2HXKZgiFP7xIksu+XM5O9Jf

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DCE994BD = "C:\\Users\\Admin\\AppData\\Roaming\\DCE994BD\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4460	1008	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1008	winver.exe
1008	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1008	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 1008	4592	fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe	83
PID 4592 wrote to memory of 1008	4592	fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe	83
PID 4592 wrote to memory of 1008	4592	fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe	83
PID 4592 wrote to memory of 1008	4592	fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe	83
PID 1008 wrote to memory of 3404	1008	winver.exe	56
PID 1008 wrote to memory of 2832	1008	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2832

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3404
- C:\Users\Admin\AppData\Local\Temp\fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe
  "C:\Users\Admin\AppData\Local\Temp\fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4592
- - 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:1008
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 356
      4⤵
      Program crash
      PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1008 -ip 1008
1⤵
PID:2464

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/1008-5-0x0000000077E42000-0x0000000077E43000-memory.dmp

Filesize
4KB

Download
memory/1008-4-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/1008-7-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/1008-14-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/2832-13-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/3404-1-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/3404-2-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/3404-6-0x00007FFC4C48D000-0x00007FFC4C48E000-memory.dmp

Filesize
4KB

Download
memory/4592-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4592-3-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/4592-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4592-9-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download