tinba | 5212a1a42d6a62656577d2f45b34f623b4789a88c87a0abe755828be20d533e2

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 04:07

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General

Target

5212a1a42d6a62656577d2f45b34f623b4789a88c87a0abe755828be20d533e2.exe
Size

610KB
MD5

4357be46b6ff67d76506c7b32480fa8a
SHA1

93d9c7cc18d87f40e1ff387c65c5d795be12bd57
SHA256

5212a1a42d6a62656577d2f45b34f623b4789a88c87a0abe755828be20d533e2
SHA512

ee0fcd9252a51d513e19e252cf95e72df90a2ac644759fa9446b30bbd6182840ac02e13ccb806252570a73c561bd11aa7cb651075ff7734929926dc8af1ac1fa
SSDEEP

12288:UATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:KT+KjUdQqboyyWoK1NGqzuhT

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\B76024C8 = "C:\\Users\\Admin\\AppData\\Roaming\\B76024C8\\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	5212a1a42d6a62656577d2f45b34f623b4789a88c87a0abe755828be20d533e2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe
2596	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2596	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2596	2644	5212a1a42d6a62656577d2f45b34f623b4789a88c87a0abe755828be20d533e2.exe	30
PID 2644 wrote to memory of 2596	2644	5212a1a42d6a62656577d2f45b34f623b4789a88c87a0abe755828be20d533e2.exe	30
PID 2644 wrote to memory of 2596	2644	5212a1a42d6a62656577d2f45b34f623b4789a88c87a0abe755828be20d533e2.exe	30
PID 2644 wrote to memory of 2596	2644	5212a1a42d6a62656577d2f45b34f623b4789a88c87a0abe755828be20d533e2.exe	30
PID 2644 wrote to memory of 2596	2644	5212a1a42d6a62656577d2f45b34f623b4789a88c87a0abe755828be20d533e2.exe	30
PID 2596 wrote to memory of 1180	2596	winver.exe	21
PID 2596 wrote to memory of 1068	2596	winver.exe	18
PID 2596 wrote to memory of 1084	2596	winver.exe	19
PID 2596 wrote to memory of 1180	2596	winver.exe	21
PID 2596 wrote to memory of 620	2596	winver.exe	23
PID 2596 wrote to memory of 2644	2596	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1084

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\5212a1a42d6a62656577d2f45b34f623b4789a88c87a0abe755828be20d533e2.exe
  "C:\Users\Admin\AppData\Local\Temp\5212a1a42d6a62656577d2f45b34f623b4789a88c87a0abe755828be20d533e2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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:2596

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:620

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/620-18-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

Filesize
24KB

Download
memory/620-29-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

Filesize
24KB

Download
memory/1068-9-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1068-26-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1084-28-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1084-12-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1180-1-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1180-6-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1180-3-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1180-27-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1180-15-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/2596-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2596-23-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2596-31-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2644-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download