tinba | c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
04/07/2024, 03:23

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General

Target

c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe
Size

225KB
MD5

8f399ddae78725c3b3a7bca4437ad1b5
SHA1

7868578358c1763474cab810b417016dfc245fd4
SHA256

c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11
SHA512

3ac25140e654a9e7f904396df5e6814cd8bf6ce2acd2ac2f2daa8bab37e990b35ffc7e87376b41ac21f8cda0fcdaa0efdeaa2c3310669d328756760af061287a
SSDEEP

6144:2A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:2ATuTAnKGwUAW3ycQqgf

Score

10^/10

tinba banker 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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\5E824750 = "C:\\Users\\Admin\\AppData\\Roaming\\5E824750\\bin.exe"	winver.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2772	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 2772	1252	c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe	28
PID 1252 wrote to memory of 2772	1252	c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe	28
PID 1252 wrote to memory of 2772	1252	c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe	28
PID 1252 wrote to memory of 2772	1252	c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe	28
PID 1252 wrote to memory of 2772	1252	c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe	28
PID 2772 wrote to memory of 1184	2772	winver.exe	21
PID 2772 wrote to memory of 1100	2772	winver.exe	19
PID 2772 wrote to memory of 1156	2772	winver.exe	20
PID 2772 wrote to memory of 1184	2772	winver.exe	21

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe
  "C:\Users\Admin\AppData\Local\Temp\c51afb077f9cc2438fb270dff84be123647d20db4e5c21087eea441d63b34c11.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2772

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1100-21-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1100-11-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1156-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1156-23-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1184-17-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1184-1-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1184-22-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1184-6-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1252-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2772-20-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2772-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2772-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download