tinba | 161e74106d46e94656ab6b481e815ff78f831bd265d4db49bf0b769e0f46986c

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 10:49

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General

Target

29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe
Size

148KB
MD5

a2ee379717bc28a26adf762edeea731d
SHA1

f2cfdad6d26c35439376b8ec2e7f1a1c4ca007a2
SHA256

29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815
SHA512

048565a411403c2b7fe8e5f630b83fc525369854f166a00a835a44074a0f180d05045388aa64e174397bb65241e9d5dcdf80cd4c841a90d49f326e8cc86d4a92
SSDEEP

1536:uv+pJdyvHh9Yvu356AlGC/kpNfDnfn8bbxvVOu3MwJMaKtqj78gE8v27O:t/dwh9uu39N81SbxthE8vCO

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\4CF63D3C = "C:\\Users\\Admin\\AppData\\Roaming\\4CF63D3C\\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	29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe
2656	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2656	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2212	29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2656	2212	29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe	30
PID 2212 wrote to memory of 2656	2212	29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe	30
PID 2212 wrote to memory of 2656	2212	29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe	30
PID 2212 wrote to memory of 2656	2212	29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe	30
PID 2212 wrote to memory of 2656	2212	29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe	30
PID 2656 wrote to memory of 1208	2656	winver.exe	21
PID 2656 wrote to memory of 1120	2656	winver.exe	19
PID 2656 wrote to memory of 1180	2656	winver.exe	20
PID 2656 wrote to memory of 1208	2656	winver.exe	21
PID 2656 wrote to memory of 1288	2656	winver.exe	23
PID 2656 wrote to memory of 2212	2656	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe
  "C:\Users\Admin\AppData\Local\Temp\29a55c552259024a357b2ab68d7bbb72c99ea93f648fe0960459420193148815.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2212
- - 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:2656

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1288

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/1120-26-0x00000000021F0000-0x00000000021F7000-memory.dmp

Filesize
28KB

Download
memory/1120-15-0x00000000021F0000-0x00000000021F7000-memory.dmp

Filesize
28KB

Download
memory/1120-27-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/1180-17-0x00000000001C0000-0x00000000001C7000-memory.dmp

Filesize
28KB

Download
memory/1180-30-0x00000000001C0000-0x00000000001C7000-memory.dmp

Filesize
28KB

Download
memory/1208-20-0x0000000002480000-0x0000000002487000-memory.dmp

Filesize
28KB

Download
memory/1208-5-0x0000000002470000-0x0000000002477000-memory.dmp

Filesize
28KB

Download
memory/1208-4-0x0000000002470000-0x0000000002477000-memory.dmp

Filesize
28KB

Download
memory/1208-11-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/1208-8-0x0000000002470000-0x0000000002477000-memory.dmp

Filesize
28KB

Download
memory/1208-31-0x0000000002480000-0x0000000002487000-memory.dmp

Filesize
28KB

Download
memory/1288-23-0x00000000003D0000-0x00000000003D7000-memory.dmp

Filesize
28KB

Download
memory/1288-28-0x00000000003D0000-0x00000000003D7000-memory.dmp

Filesize
28KB

Download
memory/1288-29-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/2212-13-0x0000000000400000-0x0000000000404A00-memory.dmp

Filesize
18KB

Download
memory/2212-0-0x000000000040C000-0x000000000040F000-memory.dmp

Filesize
12KB

Download
memory/2212-25-0x0000000001F80000-0x0000000002980000-memory.dmp

Filesize
10.0MB

Download
memory/2212-3-0x0000000001F80000-0x0000000002980000-memory.dmp

Filesize
10.0MB

Download
memory/2212-2-0x0000000000270000-0x0000000000272000-memory.dmp

Filesize
8KB

Download
memory/2212-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2656-12-0x0000000077770000-0x0000000077919000-memory.dmp

Filesize
1.7MB

Download
memory/2656-10-0x0000000000E60000-0x0000000000E76000-memory.dmp

Filesize
88KB

Download
memory/2656-9-0x0000000000E61000-0x0000000000E62000-memory.dmp

Filesize
4KB

Download
memory/2656-6-0x0000000000120000-0x0000000000127000-memory.dmp

Filesize
28KB

Download