tinba | c1a1d1ac4b071dcc16292b5d2fad788752b81ac05b7ee4c2026790301fad7ec5

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/02/2025, 16:19

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General

Target

c1a1d1ac4b071dcc16292b5d2fad788752b81ac05b7ee4c2026790301fad7ec5N.exe
Size

89KB
MD5

b29068912ba156a1cee78d30782e2180
SHA1

652824eca6f0f4548e53c5e03dad9f1dbede0256
SHA256

c1a1d1ac4b071dcc16292b5d2fad788752b81ac05b7ee4c2026790301fad7ec5
SHA512

463aec35f09737763e44d456e74c19356acda6d5fc03af9ecb1bfd6cc5d2dd7caf561d7cc3364fb7c911cc60207f98bd74bbe9cb0d1d7f0d7ee92ae423fcca8f
SSDEEP

1536:Y9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:Y9o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\D872BEC3 = "C:\\Users\\Admin\\AppData\\Roaming\\D872BEC3\\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	c1a1d1ac4b071dcc16292b5d2fad788752b81ac05b7ee4c2026790301fad7ec5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe
580	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
580	winver.exe
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 580	1924	c1a1d1ac4b071dcc16292b5d2fad788752b81ac05b7ee4c2026790301fad7ec5N.exe	31
PID 1924 wrote to memory of 580	1924	c1a1d1ac4b071dcc16292b5d2fad788752b81ac05b7ee4c2026790301fad7ec5N.exe	31
PID 1924 wrote to memory of 580	1924	c1a1d1ac4b071dcc16292b5d2fad788752b81ac05b7ee4c2026790301fad7ec5N.exe	31
PID 1924 wrote to memory of 580	1924	c1a1d1ac4b071dcc16292b5d2fad788752b81ac05b7ee4c2026790301fad7ec5N.exe	31
PID 1924 wrote to memory of 580	1924	c1a1d1ac4b071dcc16292b5d2fad788752b81ac05b7ee4c2026790301fad7ec5N.exe	31
PID 580 wrote to memory of 1196	580	winver.exe	21
PID 580 wrote to memory of 1104	580	winver.exe	19
PID 580 wrote to memory of 1152	580	winver.exe	20
PID 580 wrote to memory of 1196	580	winver.exe	21
PID 580 wrote to memory of 836	580	winver.exe	25
PID 580 wrote to memory of 1924	580	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1196
- C:\Users\Admin\AppData\Local\Temp\c1a1d1ac4b071dcc16292b5d2fad788752b81ac05b7ee4c2026790301fad7ec5N.exe
  "C:\Users\Admin\AppData\Local\Temp\c1a1d1ac4b071dcc16292b5d2fad788752b81ac05b7ee4c2026790301fad7ec5N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1924
- - 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:580

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:836

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/580-13-0x0000000076EF0000-0x0000000077099000-memory.dmp

Filesize
1.7MB

Download
memory/580-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/580-40-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/580-7-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/580-8-0x00000000770F0000-0x00000000770F1000-memory.dmp

Filesize
4KB

Download
memory/580-9-0x00000000770EF000-0x00000000770F0000-memory.dmp

Filesize
4KB

Download
memory/580-10-0x00000000770EF000-0x00000000770F1000-memory.dmp

Filesize
8KB

Download
memory/580-11-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/836-29-0x0000000076F41000-0x0000000076F42000-memory.dmp

Filesize
4KB

Download
memory/836-24-0x0000000001F40000-0x0000000001F46000-memory.dmp

Filesize
24KB

Download
memory/836-28-0x0000000001F40000-0x0000000001F46000-memory.dmp

Filesize
24KB

Download
memory/1104-16-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1104-33-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1152-31-0x0000000076F41000-0x0000000076F42000-memory.dmp

Filesize
4KB

Download
memory/1152-18-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1152-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1196-21-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

Filesize
24KB

Download
memory/1196-32-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1196-12-0x0000000076F41000-0x0000000076F42000-memory.dmp

Filesize
4KB

Download
memory/1196-1-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1196-5-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1924-0-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download
memory/1924-27-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1924-6-0x0000000002590000-0x0000000002F90000-memory.dmp

Filesize
10.0MB

Download
memory/1924-34-0x0000000002590000-0x0000000002F90000-memory.dmp

Filesize
10.0MB

Download