tinba | 9e0587c819ad3c0b437bcf586e59d4e85efa277ad962a88781a25d1bd8bfc98a

Analysis

max time kernel
110s
max time network
96s
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 17:17

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General

Target

9e0587c819ad3c0b437bcf586e59d4e85efa277ad962a88781a25d1bd8bfc98aN.exe
Size

88KB
MD5

8678ac9bb8a9e57f1abb7097e2ff3b10
SHA1

6372d3e7c0c759d273a954e186e697c821ed6fd9
SHA256

9e0587c819ad3c0b437bcf586e59d4e85efa277ad962a88781a25d1bd8bfc98a
SHA512

ff94b5da152a49233caff0936bb2f38b2edd731b4c4578cd96c66c1904f5f6f13eb0b049f935ae14c40a009aada659b4ad592d9b3185f090c1e5ab4f9dcebdf4
SSDEEP

1536:F5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:F5fvp12UFKcD/6jwqWsNI

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C50C3F4A = "C:\\Users\\Admin\\AppData\\Roaming\\C50C3F4A\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2916	2300	WerFault.exe	84

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	9e0587c819ad3c0b437bcf586e59d4e85efa277ad962a88781a25d1bd8bfc98aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2300	winver.exe
2300	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2300	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 2300	3692	9e0587c819ad3c0b437bcf586e59d4e85efa277ad962a88781a25d1bd8bfc98aN.exe	84
PID 3692 wrote to memory of 2300	3692	9e0587c819ad3c0b437bcf586e59d4e85efa277ad962a88781a25d1bd8bfc98aN.exe	84
PID 3692 wrote to memory of 2300	3692	9e0587c819ad3c0b437bcf586e59d4e85efa277ad962a88781a25d1bd8bfc98aN.exe	84
PID 3692 wrote to memory of 2300	3692	9e0587c819ad3c0b437bcf586e59d4e85efa277ad962a88781a25d1bd8bfc98aN.exe	84
PID 2300 wrote to memory of 3512	2300	winver.exe	56
PID 2300 wrote to memory of 2636	2300	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2636

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3512
- C:\Users\Admin\AppData\Local\Temp\9e0587c819ad3c0b437bcf586e59d4e85efa277ad962a88781a25d1bd8bfc98aN.exe
  "C:\Users\Admin\AppData\Local\Temp\9e0587c819ad3c0b437bcf586e59d4e85efa277ad962a88781a25d1bd8bfc98aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3692
- - 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:2300
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 352
      4⤵
      Program crash
      PID:2916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2300 -ip 2300
1⤵
PID:1540

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/2300-4-0x0000000077172000-0x0000000077173000-memory.dmp

Filesize
4KB

Download
memory/2300-6-0x00007FF8CA6D0000-0x00007FF8CA8C5000-memory.dmp

Filesize
2.0MB

Download
memory/2300-10-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/2300-13-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/2636-12-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/3512-2-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3512-1-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3512-5-0x00007FF8CA76D000-0x00007FF8CA76E000-memory.dmp

Filesize
4KB

Download
memory/3692-0-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/3692-3-0x00000000023C0000-0x0000000002DC0000-memory.dmp

Filesize
10.0MB

Download
memory/3692-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3692-8-0x00000000023C0000-0x0000000002DC0000-memory.dmp

Filesize
10.0MB

Download