tinba | 243c8ca8c3cc50b28c45432c6609762dc71e4a3458959f01b0f5d2f2b7636175

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 17:17

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General

Target

243c8ca8c3cc50b28c45432c6609762dc71e4a3458959f01b0f5d2f2b7636175N.exe
Size

52KB
MD5

65b375effbe917594d8c6f8c7a128e10
SHA1

6b5c050a723564d1a76015a5e112b0ea7cc42cdf
SHA256

243c8ca8c3cc50b28c45432c6609762dc71e4a3458959f01b0f5d2f2b7636175
SHA512

86d427a54d549cb2b4f2bfb3f759da64f787ac3dd5e20aae26cd003b89ef30e8da3f62305e4a4899f9ec24a833740006668a596fbb5bba173b41751843f1ae35
SSDEEP

768:gvC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq/:AmZNZUXeQXFhS6sM3prUSGg7O1d9Ja

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\95CE4384 = "C:\\Users\\Admin\\AppData\\Roaming\\95CE4384\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	243c8ca8c3cc50b28c45432c6609762dc71e4a3458959f01b0f5d2f2b7636175N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2452	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2452	1628	243c8ca8c3cc50b28c45432c6609762dc71e4a3458959f01b0f5d2f2b7636175N.exe	29
PID 1628 wrote to memory of 2452	1628	243c8ca8c3cc50b28c45432c6609762dc71e4a3458959f01b0f5d2f2b7636175N.exe	29
PID 1628 wrote to memory of 2452	1628	243c8ca8c3cc50b28c45432c6609762dc71e4a3458959f01b0f5d2f2b7636175N.exe	29
PID 1628 wrote to memory of 2452	1628	243c8ca8c3cc50b28c45432c6609762dc71e4a3458959f01b0f5d2f2b7636175N.exe	29
PID 1628 wrote to memory of 2452	1628	243c8ca8c3cc50b28c45432c6609762dc71e4a3458959f01b0f5d2f2b7636175N.exe	29
PID 2452 wrote to memory of 1200	2452	winver.exe	21
PID 2452 wrote to memory of 1084	2452	winver.exe	19
PID 2452 wrote to memory of 1172	2452	winver.exe	20
PID 2452 wrote to memory of 1200	2452	winver.exe	21
PID 2452 wrote to memory of 544	2452	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\243c8ca8c3cc50b28c45432c6609762dc71e4a3458959f01b0f5d2f2b7636175N.exe
  "C:\Users\Admin\AppData\Local\Temp\243c8ca8c3cc50b28c45432c6609762dc71e4a3458959f01b0f5d2f2b7636175N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1628
- - 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:2452

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:544

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/544-23-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/544-27-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/544-28-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1084-24-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1084-25-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1172-33-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-32-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1172-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-30-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1200-26-0x0000000002480000-0x0000000002486000-memory.dmp

Filesize
24KB

Download
memory/1200-9-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1200-3-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1200-21-0x0000000002480000-0x0000000002486000-memory.dmp

Filesize
24KB

Download
memory/1628-4-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/1628-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1628-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1628-12-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/2452-8-0x00000000772AF000-0x00000000772B1000-memory.dmp

Filesize
8KB

Download
memory/2452-10-0x00000000770B0000-0x0000000077259000-memory.dmp

Filesize
1.7MB

Download
memory/2452-7-0x00000000772AF000-0x00000000772B0000-memory.dmp

Filesize
4KB

Download
memory/2452-6-0x00000000772B0000-0x00000000772B1000-memory.dmp

Filesize
4KB

Download
memory/2452-31-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2452-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download