tinba | 8c42f7d05da923d9e5ddf7ba268e421634a229b332c037b6cd6a1e81d7d58b6e

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-01-2025 03:42

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General

Target

8c42f7d05da923d9e5ddf7ba268e421634a229b332c037b6cd6a1e81d7d58b6e.exe
Size

238KB
MD5

6a5a62e77eb754bee117d5efefbda0d2
SHA1

bba10f217de2e7f0e6633f05873bae91a2ec45ad
SHA256

8c42f7d05da923d9e5ddf7ba268e421634a229b332c037b6cd6a1e81d7d58b6e
SHA512

4a7b59bfbfb43331edcb98aedcb1075e9b91eb8146b2ad553662e59a1146bdf69cd5d9f3101baf123fbdb24f7bb8f6f693fd193a0c57f2bd097d632bbc779b1d
SSDEEP

6144:6mkLu0Aq9r8q7XMaC4+yPY7HLgZl3MovMfCp5C5:jkLsq9r8q7Xp27rk3MoK

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\FC3ACD0D = "C:\\Users\\Admin\\AppData\\Roaming\\FC3ACD0D\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	8c42f7d05da923d9e5ddf7ba268e421634a229b332c037b6cd6a1e81d7d58b6e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe
2080	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2080	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2080	2240	8c42f7d05da923d9e5ddf7ba268e421634a229b332c037b6cd6a1e81d7d58b6e.exe	30
PID 2240 wrote to memory of 2080	2240	8c42f7d05da923d9e5ddf7ba268e421634a229b332c037b6cd6a1e81d7d58b6e.exe	30
PID 2240 wrote to memory of 2080	2240	8c42f7d05da923d9e5ddf7ba268e421634a229b332c037b6cd6a1e81d7d58b6e.exe	30
PID 2240 wrote to memory of 2080	2240	8c42f7d05da923d9e5ddf7ba268e421634a229b332c037b6cd6a1e81d7d58b6e.exe	30
PID 2240 wrote to memory of 2080	2240	8c42f7d05da923d9e5ddf7ba268e421634a229b332c037b6cd6a1e81d7d58b6e.exe	30
PID 2080 wrote to memory of 1272	2080	winver.exe	21
PID 2080 wrote to memory of 1132	2080	winver.exe	19
PID 2080 wrote to memory of 1228	2080	winver.exe	20
PID 2080 wrote to memory of 1272	2080	winver.exe	21
PID 2080 wrote to memory of 1580	2080	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1132

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1228

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1272
- C:\Users\Admin\AppData\Local\Temp\8c42f7d05da923d9e5ddf7ba268e421634a229b332c037b6cd6a1e81d7d58b6e.exe
  "C:\Users\Admin\AppData\Local\Temp\8c42f7d05da923d9e5ddf7ba268e421634a229b332c037b6cd6a1e81d7d58b6e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2240
- - 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:2080

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1580

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 Information Discovery

T1082

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/1132-27-0x0000000000450000-0x0000000000457000-memory.dmp

Filesize
28KB

Download
memory/1132-14-0x0000000000450000-0x0000000000457000-memory.dmp

Filesize
28KB

Download
memory/1228-17-0x00000000001A0000-0x00000000001A7000-memory.dmp

Filesize
28KB

Download
memory/1228-26-0x00000000001A0000-0x00000000001A7000-memory.dmp

Filesize
28KB

Download
memory/1272-4-0x00000000029D0000-0x00000000029D7000-memory.dmp

Filesize
28KB

Download
memory/1272-28-0x00000000029C0000-0x00000000029C7000-memory.dmp

Filesize
28KB

Download
memory/1272-6-0x00000000029D0000-0x00000000029D7000-memory.dmp

Filesize
28KB

Download
memory/1272-9-0x00000000029D0000-0x00000000029D7000-memory.dmp

Filesize
28KB

Download
memory/1272-20-0x00000000029C0000-0x00000000029C7000-memory.dmp

Filesize
28KB

Download
memory/1580-25-0x0000000000470000-0x0000000000477000-memory.dmp

Filesize
28KB

Download
memory/1580-23-0x0000000000470000-0x0000000000477000-memory.dmp

Filesize
28KB

Download
memory/2080-7-0x00000000000F0000-0x00000000000F7000-memory.dmp

Filesize
28KB

Download
memory/2240-11-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2240-0-0x0000000002110000-0x0000000002290000-memory.dmp

Filesize
1.5MB

Download
memory/2240-2-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2240-1-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download