tinba | 4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 01:43

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General

Target

4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe
Size

88KB
MD5

028775e1c7935ba3c261412839c4a3d1
SHA1

937be3a04dc9c5fe3f5d4297b6e255f08921a66a
SHA256

4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60
SHA512

c47250a2749f012e7e025849b0d364d02e9ffa91462dcc036b6a5ca75eb96af9dbd1508f5170848b787cee2ce0c0fb63f68a522b2dcdd6bc56ff7918f39df723
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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1E858A3E = "C:\\Users\\Admin\\AppData\\Roaming\\1E858A3E\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4536	644	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
644	winver.exe
644	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
644	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 644	3876	4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe	84
PID 3876 wrote to memory of 644	3876	4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe	84
PID 3876 wrote to memory of 644	3876	4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe	84
PID 3876 wrote to memory of 644	3876	4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe	84
PID 644 wrote to memory of 3520	644	winver.exe	56
PID 644 wrote to memory of 2596	644	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe
  "C:\Users\Admin\AppData\Local\Temp\4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3876
- - 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:644
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 644 -s 352
      4⤵
      Program crash
      PID:4536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 644 -ip 644
1⤵
PID:2824

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/644-4-0x00000000774D2000-0x00000000774D3000-memory.dmp

Filesize
4KB

Download
memory/644-6-0x00007FFDAB930000-0x00007FFDABB25000-memory.dmp

Filesize
2.0MB

Download
memory/644-10-0x0000000001310000-0x0000000001316000-memory.dmp

Filesize
24KB

Download
memory/644-13-0x0000000001310000-0x0000000001316000-memory.dmp

Filesize
24KB

Download
memory/2596-12-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/3520-1-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/3520-5-0x00007FFDAB9CD000-0x00007FFDAB9CE000-memory.dmp

Filesize
4KB

Download
memory/3876-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3876-3-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/3876-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3876-8-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download