tinba | f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 04:23

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General

Target

f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe
Size

610KB
MD5

78961411dcead8b915eaa86bf5754cbd
SHA1

a5a52b49fce3a07c5be4d5ac3386dabad96a98a8
SHA256

f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab
SHA512

cd2d9480cc67915e0452878ae8cff5c8528902e9ebc0af0170d2528d8f74ce97f3f21836209d7b055c67f9f18a96d27b29e59ab79b3cd971f435f48231c166e8
SSDEEP

12288:2ATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:IT+KjUdQqboyyWoK1NGqzuhx

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\FDA29026 = "C:\\Users\\Admin\\AppData\\Roaming\\FDA29026\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe
1592	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1592	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 1592	1644	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe	31
PID 1644 wrote to memory of 1592	1644	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe	31
PID 1644 wrote to memory of 1592	1644	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe	31
PID 1644 wrote to memory of 1592	1644	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe	31
PID 1644 wrote to memory of 1592	1644	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe	31
PID 1592 wrote to memory of 1200	1592	winver.exe	21
PID 1592 wrote to memory of 1120	1592	winver.exe	19
PID 1592 wrote to memory of 1168	1592	winver.exe	20
PID 1592 wrote to memory of 1200	1592	winver.exe	21
PID 1592 wrote to memory of 1500	1592	winver.exe	25
PID 1592 wrote to memory of 1644	1592	winver.exe	29

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe
  "C:\Users\Admin\AppData\Local\Temp\f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1644
- - 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:1592

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1500

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/1120-29-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1120-9-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1168-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-28-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

Filesize
24KB

Download
memory/1200-6-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

Filesize
24KB

Download
memory/1200-15-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

Filesize
24KB

Download
memory/1500-18-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/1500-26-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/1592-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1592-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1592-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1592-31-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1644-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download