tinba | 482adcd21bc3439656ef7c715a92ecc00a3da7522931ea0e67dc941d56b39239

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
16-10-2024 20:47

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General

Target

482adcd21bc3439656ef7c715a92ecc00a3da7522931ea0e67dc941d56b39239N.exe
Size

89KB
MD5

690a6607fd618988298bd02bb31c37f0
SHA1

bac6ddaa84fbab6395c6146cb99c86510db701e3
SHA256

482adcd21bc3439656ef7c715a92ecc00a3da7522931ea0e67dc941d56b39239
SHA512

56887311dd03ff3e9e4ba6a76844b799f76383466ad91d29b21bb4db804747fceef076e9361b991e0f0d50d14934752cfbc136e2563e39b4f95c33c8ef32c15e
SSDEEP

1536:h9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:h9o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\16B62C57 = "C:\\Users\\Admin\\AppData\\Roaming\\16B62C57\\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	482adcd21bc3439656ef7c715a92ecc00a3da7522931ea0e67dc941d56b39239N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe
1740	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1740	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 1740	2540	482adcd21bc3439656ef7c715a92ecc00a3da7522931ea0e67dc941d56b39239N.exe	29
PID 2540 wrote to memory of 1740	2540	482adcd21bc3439656ef7c715a92ecc00a3da7522931ea0e67dc941d56b39239N.exe	29
PID 2540 wrote to memory of 1740	2540	482adcd21bc3439656ef7c715a92ecc00a3da7522931ea0e67dc941d56b39239N.exe	29
PID 2540 wrote to memory of 1740	2540	482adcd21bc3439656ef7c715a92ecc00a3da7522931ea0e67dc941d56b39239N.exe	29
PID 2540 wrote to memory of 1740	2540	482adcd21bc3439656ef7c715a92ecc00a3da7522931ea0e67dc941d56b39239N.exe	29
PID 1740 wrote to memory of 1220	1740	winver.exe	21
PID 1740 wrote to memory of 1108	1740	winver.exe	19
PID 1740 wrote to memory of 1164	1740	winver.exe	20
PID 1740 wrote to memory of 1220	1740	winver.exe	21
PID 1740 wrote to memory of 1244	1740	winver.exe	23
PID 1740 wrote to memory of 2540	1740	winver.exe	28

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Users\Admin\AppData\Local\Temp\482adcd21bc3439656ef7c715a92ecc00a3da7522931ea0e67dc941d56b39239N.exe
  "C:\Users\Admin\AppData\Local\Temp\482adcd21bc3439656ef7c715a92ecc00a3da7522931ea0e67dc941d56b39239N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2540
- - 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:1740

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1244

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/1108-16-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/1108-30-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/1164-18-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1164-28-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1220-29-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1220-21-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1220-5-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1220-12-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1220-2-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1220-1-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1244-24-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1244-31-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1244-32-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1740-8-0x0000000077E90000-0x0000000077E91000-memory.dmp

Filesize
4KB

Download
memory/1740-3-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/1740-7-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/1740-9-0x0000000077E8F000-0x0000000077E90000-memory.dmp

Filesize
4KB

Download
memory/1740-10-0x0000000077E8F000-0x0000000077E91000-memory.dmp

Filesize
8KB

Download
memory/1740-11-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1740-13-0x0000000077C90000-0x0000000077E39000-memory.dmp

Filesize
1.7MB

Download
memory/1740-35-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2540-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2540-0-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/2540-33-0x0000000001FF0000-0x00000000029F0000-memory.dmp

Filesize
10.0MB

Download
memory/2540-6-0x0000000001FF0000-0x00000000029F0000-memory.dmp

Filesize
10.0MB

Download