tinba | 45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5

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
25/01/2025, 23:12

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General

Target

45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe
Size

225KB
MD5

848f7515e9223b303ea7f93c53b8c018
SHA1

0855e39c38100326b3b899bde13c46b87ae15c6d
SHA256

45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5
SHA512

80abf0de1f2ab62b026ebb666d50e82c7785e17ed29d9e117d9d33f7c1f16e35affea883f787fdfe74e2b67a1793cbc4302e587ab618bb877303bfef1f566d77
SSDEEP

6144:tA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:tATuTAnKGwUAW3ycQqgf

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\1F070016 = "C:\\Users\\Admin\\AppData\\Roaming\\1F070016\\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	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2552	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1072 wrote to memory of 2552	1072	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe	30
PID 1072 wrote to memory of 2552	1072	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe	30
PID 1072 wrote to memory of 2552	1072	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe	30
PID 1072 wrote to memory of 2552	1072	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe	30
PID 1072 wrote to memory of 2552	1072	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe	30
PID 2552 wrote to memory of 1260	2552	winver.exe	21
PID 2552 wrote to memory of 1132	2552	winver.exe	19
PID 2552 wrote to memory of 1180	2552	winver.exe	20
PID 2552 wrote to memory of 1260	2552	winver.exe	21
PID 2552 wrote to memory of 1636	2552	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1132

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1260
- C:\Users\Admin\AppData\Local\Temp\45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe
  "C:\Users\Admin\AppData\Local\Temp\45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1072
- - 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:2552

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1636

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/1072-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1132-26-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

Filesize
24KB

Download
memory/1132-11-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

Filesize
24KB

Download
memory/1180-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1180-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1260-3-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1260-17-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1260-1-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1260-6-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1260-25-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1636-20-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1636-24-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/2552-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2552-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2552-29-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download