tinba | ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458

General

Target

ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe
Size

610KB
MD5

15b432ef7474d6a4b5fa15585c02fc9e
SHA1

b24e5ef2b289b9cc8b4dd9ac18f89cc0d05b0720
SHA256

ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458
SHA512

c18b69768c2373505fb1a0ef44841641af5b699e86be69409a18cbab21fcd007ace603cd08273945174474f9e47c6de682a9f48022bba080a44648c077eb0177
SSDEEP

12288:iATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:cT+KjUdQqboyyWoK1NGqzuhb

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\6542D87E = "C:\\Users\\Admin\\AppData\\Roaming\\6542D87E\\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	ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2704	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2704	1700	ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe	30
PID 1700 wrote to memory of 2704	1700	ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe	30
PID 1700 wrote to memory of 2704	1700	ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe	30
PID 1700 wrote to memory of 2704	1700	ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe	30
PID 1700 wrote to memory of 2704	1700	ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe	30
PID 2704 wrote to memory of 1192	2704	winver.exe	21
PID 2704 wrote to memory of 1116	2704	winver.exe	19
PID 2704 wrote to memory of 1160	2704	winver.exe	20
PID 2704 wrote to memory of 1192	2704	winver.exe	21
PID 2704 wrote to memory of 1344	2704	winver.exe	25
PID 2704 wrote to memory of 1700	2704	winver.exe	29

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe
  "C:\Users\Admin\AppData\Local\Temp\ac3dcfcaf9e92e89e51b3670065b9c2259713fecce476e5991bcbe50dd1c7458.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1700
- - 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:2704

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1116-11-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/1116-26-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/1160-28-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1160-14-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1192-17-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1192-6-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1192-27-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1344-20-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/1344-29-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/1700-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2704-25-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2704-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2704-31-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads