tinba | f70a9256b11888a37401b3962ef20700121bd5a3bfc76d9cd8683bc9ce93fac3

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
31/08/2024, 09:39

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General

Target

1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe
Size

88KB
MD5

40f8d5b0ef42b3f1dc9af41c77f537c4
SHA1

4bd45492ec4173509dbfd68468ac19031a96240a
SHA256

1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f
SHA512

db5b9b5a9942824441cf5675202eb3a8b2049a8ae6058fa27a7cdb3ad9c0482fb1c77382285bd6e73801014c7b560ade8a17065ebf68e1faef00b3bf2c35052d
SSDEEP

1536:E5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:E5fvp12UFKcD/6jwqWsN

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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\1241B820 = "C:\\Users\\Admin\\AppData\\Roaming\\1241B820\\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	1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2688	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2688	2372	1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe	31
PID 2372 wrote to memory of 2688	2372	1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe	31
PID 2372 wrote to memory of 2688	2372	1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe	31
PID 2372 wrote to memory of 2688	2372	1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe	31
PID 2372 wrote to memory of 2688	2372	1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe	31
PID 2688 wrote to memory of 1252	2688	winver.exe	21
PID 2688 wrote to memory of 1120	2688	winver.exe	19
PID 2688 wrote to memory of 1200	2688	winver.exe	20
PID 2688 wrote to memory of 1252	2688	winver.exe	21
PID 2688 wrote to memory of 888	2688	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1200

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1252
- C:\Users\Admin\AppData\Local\Temp\1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe
  "C:\Users\Admin\AppData\Local\Temp\1ad7262bfeb74b635d9b56330a257940fa12124f4935efd21f5f0308c261ca1f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2372
- - 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:2688

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:888

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/888-24-0x0000000077011000-0x0000000077012000-memory.dmp

Filesize
4KB

Download
memory/888-29-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/888-23-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/1120-26-0x0000000077011000-0x0000000077012000-memory.dmp

Filesize
4KB

Download
memory/1120-25-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1200-27-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1200-18-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1252-1-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1252-3-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1252-9-0x0000000077011000-0x0000000077012000-memory.dmp

Filesize
4KB

Download
memory/1252-28-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1252-20-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1252-2-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/2372-12-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2372-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2372-4-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/2372-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2688-5-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2688-6-0x00000000771C0000-0x00000000771C1000-memory.dmp

Filesize
4KB

Download
memory/2688-7-0x00000000771BF000-0x00000000771C0000-memory.dmp

Filesize
4KB

Download
memory/2688-8-0x00000000771BF000-0x00000000771C1000-memory.dmp

Filesize
8KB

Download
memory/2688-10-0x0000000076FC0000-0x0000000077169000-memory.dmp

Filesize
1.7MB

Download
memory/2688-30-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2688-35-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download