tinba | 8af00449fe6e1672d6d01418150e55021e36e01458ee5bd3ac4b867cf014cded

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 23:04

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General

Target

8af00449fe6e1672d6d01418150e55021e36e01458ee5bd3ac4b867cf014cdedN.exe
Size

168KB
MD5

be2c7de34231d1353e36bb6f4399f490
SHA1

3bcd8b1317df5cf61cf38f624a5bfe6b09e69b17
SHA256

8af00449fe6e1672d6d01418150e55021e36e01458ee5bd3ac4b867cf014cded
SHA512

fb90098ac0854b557cd12143ec731b4881efc51f149fbf01d8dc92a3bc658430350f3953de7e0075b71f639829ef29aeca3d8692ba6cdb867f095b617da46336
SSDEEP

3072:R+//K1KJAR6KtqDSB8NojBOryOIy4IwiyO+//K1KJR3l:GKkmVtqWB8NojgrvIy4RiypKkfl

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\5003E1A1 = "C:\\Users\\Admin\\AppData\\Roaming\\5003E1A1\\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	8af00449fe6e1672d6d01418150e55021e36e01458ee5bd3ac4b867cf014cdedN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2112	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 2112	1016	8af00449fe6e1672d6d01418150e55021e36e01458ee5bd3ac4b867cf014cdedN.exe	30
PID 1016 wrote to memory of 2112	1016	8af00449fe6e1672d6d01418150e55021e36e01458ee5bd3ac4b867cf014cdedN.exe	30
PID 1016 wrote to memory of 2112	1016	8af00449fe6e1672d6d01418150e55021e36e01458ee5bd3ac4b867cf014cdedN.exe	30
PID 1016 wrote to memory of 2112	1016	8af00449fe6e1672d6d01418150e55021e36e01458ee5bd3ac4b867cf014cdedN.exe	30
PID 1016 wrote to memory of 2112	1016	8af00449fe6e1672d6d01418150e55021e36e01458ee5bd3ac4b867cf014cdedN.exe	30
PID 2112 wrote to memory of 1128	2112	winver.exe	20
PID 2112 wrote to memory of 1044	2112	winver.exe	17
PID 2112 wrote to memory of 1068	2112	winver.exe	18
PID 2112 wrote to memory of 1128	2112	winver.exe	20
PID 2112 wrote to memory of 2004	2112	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1128
- C:\Users\Admin\AppData\Local\Temp\8af00449fe6e1672d6d01418150e55021e36e01458ee5bd3ac4b867cf014cdedN.exe
  "C:\Users\Admin\AppData\Local\Temp\8af00449fe6e1672d6d01418150e55021e36e01458ee5bd3ac4b867cf014cdedN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1016
- - 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:2112

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2004

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/1016-11-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1016-0-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/1016-4-0x0000000002460000-0x0000000002E60000-memory.dmp

Filesize
10.0MB

Download
memory/1016-12-0x0000000002460000-0x0000000002E60000-memory.dmp

Filesize
10.0MB

Download
memory/1044-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1044-25-0x0000000077531000-0x0000000077532000-memory.dmp

Filesize
4KB

Download
memory/1068-19-0x0000000001F40000-0x0000000001F46000-memory.dmp

Filesize
24KB

Download
memory/1068-26-0x0000000077531000-0x0000000077532000-memory.dmp

Filesize
4KB

Download
memory/1068-28-0x0000000001F40000-0x0000000001F46000-memory.dmp

Filesize
24KB

Download
memory/1128-3-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/1128-1-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/1128-9-0x0000000077531000-0x0000000077532000-memory.dmp

Filesize
4KB

Download
memory/1128-29-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1128-2-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/1128-21-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/2004-23-0x0000000001BE0000-0x0000000001BE6000-memory.dmp

Filesize
24KB

Download
memory/2004-27-0x0000000077531000-0x0000000077532000-memory.dmp

Filesize
4KB

Download
memory/2004-30-0x0000000001BE0000-0x0000000001BE6000-memory.dmp

Filesize
24KB

Download
memory/2112-8-0x00000000776DF000-0x00000000776E1000-memory.dmp

Filesize
8KB

Download
memory/2112-6-0x00000000776E0000-0x00000000776E1000-memory.dmp

Filesize
4KB

Download
memory/2112-10-0x00000000774E0000-0x0000000077689000-memory.dmp

Filesize
1.7MB

Download
memory/2112-7-0x00000000776DF000-0x00000000776E0000-memory.dmp

Filesize
4KB

Download
memory/2112-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2112-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2112-36-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download