tinba | 3be7fd66ddd2ba25c63d1dc9036f80fdfb07ab5bda8710198ba9d716511bce36

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 10:06

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General

Target

3be7fd66ddd2ba25c63d1dc9036f80fdfb07ab5bda8710198ba9d716511bce36.exe
Size

610KB
MD5

ed4233e63dea2d08ab22bd7c457eb692
SHA1

f9549b0857e827d14de7e86c24a6494b0aa29f8f
SHA256

3be7fd66ddd2ba25c63d1dc9036f80fdfb07ab5bda8710198ba9d716511bce36
SHA512

ec77a23ce4247086f49fa9dfa7dcc7d154c7f0d28655dd4365329b5d7962893c270b57a79c65815b270c588c3e6e4c7a025674d0a1e095666c3081b1b52b0d1d
SSDEEP

12288:XATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:dT+KjUdQqboyyWoK1NGqzuhz

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\4EDE9ADC = "C:\\Users\\Admin\\AppData\\Roaming\\4EDE9ADC\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	3be7fd66ddd2ba25c63d1dc9036f80fdfb07ab5bda8710198ba9d716511bce36.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe
3032	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3032	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 3032	2368	3be7fd66ddd2ba25c63d1dc9036f80fdfb07ab5bda8710198ba9d716511bce36.exe	30
PID 2368 wrote to memory of 3032	2368	3be7fd66ddd2ba25c63d1dc9036f80fdfb07ab5bda8710198ba9d716511bce36.exe	30
PID 2368 wrote to memory of 3032	2368	3be7fd66ddd2ba25c63d1dc9036f80fdfb07ab5bda8710198ba9d716511bce36.exe	30
PID 2368 wrote to memory of 3032	2368	3be7fd66ddd2ba25c63d1dc9036f80fdfb07ab5bda8710198ba9d716511bce36.exe	30
PID 2368 wrote to memory of 3032	2368	3be7fd66ddd2ba25c63d1dc9036f80fdfb07ab5bda8710198ba9d716511bce36.exe	30
PID 3032 wrote to memory of 1248	3032	winver.exe	21
PID 3032 wrote to memory of 1116	3032	winver.exe	19
PID 3032 wrote to memory of 1192	3032	winver.exe	20
PID 3032 wrote to memory of 1248	3032	winver.exe	21
PID 3032 wrote to memory of 1124	3032	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1248
- C:\Users\Admin\AppData\Local\Temp\3be7fd66ddd2ba25c63d1dc9036f80fdfb07ab5bda8710198ba9d716511bce36.exe
  "C:\Users\Admin\AppData\Local\Temp\3be7fd66ddd2ba25c63d1dc9036f80fdfb07ab5bda8710198ba9d716511bce36.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2368
- - 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:3032

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1124

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 Information Discovery

T1082

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/1116-11-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1116-27-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1124-20-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1124-24-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1192-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1192-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1248-1-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1248-6-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1248-17-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1248-3-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1248-26-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/2368-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3032-23-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/3032-4-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/3032-29-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download