tinba | b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/09/2024, 10:18

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General

Target

b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe
Size

89KB
MD5

48ea9300779f17c7b054a9ce7adc32f7
SHA1

29b93ae4437264a7f25db4ea1c1c921cc6e6bfa7
SHA256

b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42
SHA512

04578d59e9862787ae01aed4bae45d15607a6007366862e95bf5e9b4ff6e022917c36cb19c1ba444b71437082e74fcbb2fa75f3d05c7d57ab1b680df098eb8b4
SSDEEP

1536:m9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:m9o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\726D480C = "C:\\Users\\Admin\\AppData\\Roaming\\726D480C\\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	b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe
1792	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1792	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 1792	1868	b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe	31
PID 1868 wrote to memory of 1792	1868	b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe	31
PID 1868 wrote to memory of 1792	1868	b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe	31
PID 1868 wrote to memory of 1792	1868	b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe	31
PID 1868 wrote to memory of 1792	1868	b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe	31
PID 1792 wrote to memory of 1208	1792	winver.exe	21
PID 1792 wrote to memory of 1116	1792	winver.exe	19
PID 1792 wrote to memory of 1160	1792	winver.exe	20
PID 1792 wrote to memory of 1208	1792	winver.exe	21
PID 1792 wrote to memory of 1868	1792	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe
  "C:\Users\Admin\AppData\Local\Temp\b2bd468491080d763f46126db7b4be5307d6b09730de65cc1a08fe09f191fc42.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1868
- - 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:1792

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

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Downloads

memory/1116-24-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/1116-25-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1116-15-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/1160-26-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/1160-17-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/1208-20-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/1208-5-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/1208-1-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/1208-12-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1208-23-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download
memory/1792-9-0x000000007768F000-0x0000000077690000-memory.dmp

Filesize
4KB

Download
memory/1792-7-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/1792-8-0x0000000077690000-0x0000000077691000-memory.dmp

Filesize
4KB

Download
memory/1792-10-0x000000007768F000-0x0000000077691000-memory.dmp

Filesize
8KB

Download
memory/1792-13-0x0000000077490000-0x0000000077639000-memory.dmp

Filesize
1.7MB

Download
memory/1792-11-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1792-3-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/1792-32-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/1868-0-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download
memory/1868-22-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1868-6-0x0000000002450000-0x0000000002E50000-memory.dmp

Filesize
10.0MB

Download
memory/1868-27-0x0000000002450000-0x0000000002E50000-memory.dmp

Filesize
10.0MB

Download