tinba | e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2

Analysis

max time kernel
114s
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
30-11-2024 06:02

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General

Target

e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe
Size

88KB
MD5

3585981a98f99edf5a24e82c98338ee0
SHA1

3bc80d96ea143525df1990be85d22d61fb548c25
SHA256

e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2
SHA512

a98ecab62b278747b223ae212223ff7775210c8d15b2e27549bf067dbe716395dc3a0eb6b35a7314c005dacf080e5060f8fe3ef84b1608ef4bc3ee59fc5e03e0
SSDEEP

1536:Iz44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsN:IzvokZR/KM/ysjwqWsN

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\DE6C661C = "C:\\Users\\Admin\\AppData\\Roaming\\DE6C661C\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2552	2996	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	e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2996	winver.exe
2996	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2996	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 2996	1332	e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe	84
PID 1332 wrote to memory of 2996	1332	e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe	84
PID 1332 wrote to memory of 2996	1332	e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe	84
PID 1332 wrote to memory of 2996	1332	e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe	84
PID 2996 wrote to memory of 3548	2996	winver.exe	55
PID 2996 wrote to memory of 2892	2996	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2892

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3548
- C:\Users\Admin\AppData\Local\Temp\e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe
  "C:\Users\Admin\AppData\Local\Temp\e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1332
- - 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:2996
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 352
      4⤵
      Program crash
      PID:2552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2996 -ip 2996
1⤵
PID:1044

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

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Downloads

memory/1332-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1332-3-0x00000000023C0000-0x0000000002DC0000-memory.dmp

Filesize
10.0MB

Download
memory/1332-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1332-8-0x00000000023C0000-0x0000000002DC0000-memory.dmp

Filesize
10.0MB

Download
memory/2892-12-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/2996-4-0x00000000778E2000-0x00000000778E3000-memory.dmp

Filesize
4KB

Download
memory/2996-6-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/2996-10-0x00000000009D0000-0x00000000009D6000-memory.dmp

Filesize
24KB

Download
memory/2996-13-0x00000000009D0000-0x00000000009D6000-memory.dmp

Filesize
24KB

Download
memory/3548-2-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download
memory/3548-1-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download
memory/3548-5-0x00007FFB38F0D000-0x00007FFB38F0E000-memory.dmp

Filesize
4KB

Download