tinba | 6c5d8f8d079101010738e52752c10fd918c3c6424b83e51b89439bf5dee96fa0

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10/10/2024, 17:26

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General

Target

6c5d8f8d079101010738e52752c10fd918c3c6424b83e51b89439bf5dee96fa0N.exe
Size

89KB
MD5

b62f4dc672c4d1e5422f1f66caf2c8f0
SHA1

1fb096e0d5d8b581285cfde9b7d601bd08f8bd2a
SHA256

6c5d8f8d079101010738e52752c10fd918c3c6424b83e51b89439bf5dee96fa0
SHA512

bde9e3df011e33fe6209bc6ac6b16975a658fb1105bae714148c84c8184cf35d8c9585608801f39aeaef14fb1c313e8f84d88ec97cdde98e1665c51f6881e824
SSDEEP

1536:f9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:f9o6fK2XqXQwhnHlqQo8Lvy

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

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\57C26B25 = "C:\\Users\\Admin\\AppData\\Roaming\\57C26B25\\bin.exe"	winver.exe

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	6c5d8f8d079101010738e52752c10fd918c3c6424b83e51b89439bf5dee96fa0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1724	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1724	2556	6c5d8f8d079101010738e52752c10fd918c3c6424b83e51b89439bf5dee96fa0N.exe	31
PID 2556 wrote to memory of 1724	2556	6c5d8f8d079101010738e52752c10fd918c3c6424b83e51b89439bf5dee96fa0N.exe	31
PID 2556 wrote to memory of 1724	2556	6c5d8f8d079101010738e52752c10fd918c3c6424b83e51b89439bf5dee96fa0N.exe	31
PID 2556 wrote to memory of 1724	2556	6c5d8f8d079101010738e52752c10fd918c3c6424b83e51b89439bf5dee96fa0N.exe	31
PID 2556 wrote to memory of 1724	2556	6c5d8f8d079101010738e52752c10fd918c3c6424b83e51b89439bf5dee96fa0N.exe	31
PID 1724 wrote to memory of 1156	1724	winver.exe	21
PID 1724 wrote to memory of 1048	1724	winver.exe	17
PID 1724 wrote to memory of 1096	1724	winver.exe	19
PID 1724 wrote to memory of 1156	1724	winver.exe	21
PID 1724 wrote to memory of 1016	1724	winver.exe	25
PID 1724 wrote to memory of 2556	1724	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1096

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1156
- C:\Users\Admin\AppData\Local\Temp\6c5d8f8d079101010738e52752c10fd918c3c6424b83e51b89439bf5dee96fa0N.exe
  "C:\Users\Admin\AppData\Local\Temp\6c5d8f8d079101010738e52752c10fd918c3c6424b83e51b89439bf5dee96fa0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2556
- - 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:1724

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1016

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/1016-24-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1016-33-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1016-32-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1048-16-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/1048-28-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1048-29-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/1096-18-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1096-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1156-2-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1156-12-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1156-21-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1156-31-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1156-1-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1156-5-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1724-13-0x00000000772E0000-0x0000000077489000-memory.dmp

Filesize
1.7MB

Download
memory/1724-7-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1724-8-0x00000000774E0000-0x00000000774E1000-memory.dmp

Filesize
4KB

Download
memory/1724-9-0x00000000774DF000-0x00000000774E0000-memory.dmp

Filesize
4KB

Download
memory/1724-10-0x00000000774DF000-0x00000000774E1000-memory.dmp

Filesize
8KB

Download
memory/1724-11-0x0000000001AB0000-0x0000000001AB1000-memory.dmp

Filesize
4KB

Download
memory/1724-3-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1724-40-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2556-27-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2556-0-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download
memory/2556-6-0x0000000002650000-0x0000000003050000-memory.dmp

Filesize
10.0MB

Download
memory/2556-34-0x0000000002650000-0x0000000003050000-memory.dmp

Filesize
10.0MB

Download