tinba | 8bfc441342c8bf952a16f73fd6840ca0abd47108fe63a9292df3f16b14c1cd2c

General

Target

8bfc441342c8bf952a16f73fd6840ca0abd47108fe63a9292df3f16b14c1cd2cN.exe
Size

225KB
MD5

08f9f68c2e4eb8420e69733282f99380
SHA1

fcf4d6c4ce6e75c79bff68849d77b881adf11249
SHA256

8bfc441342c8bf952a16f73fd6840ca0abd47108fe63a9292df3f16b14c1cd2c
SHA512

49f222afb933d20dbadef2b393cfb831629f3cbed779839e43ded7bd87fee3ad6ca888675970b25fd5b8bbc19a6e0afa0666568155018e4d1107aaeb88ff0f37
SSDEEP

6144:dA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:dATuTAnKGwUAW3ycQqgf

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\DFDCAEDB = "C:\\Users\\Admin\\AppData\\Roaming\\DFDCAEDB\\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	8bfc441342c8bf952a16f73fd6840ca0abd47108fe63a9292df3f16b14c1cd2cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe
2564	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2564	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2564	1640	8bfc441342c8bf952a16f73fd6840ca0abd47108fe63a9292df3f16b14c1cd2cN.exe	31
PID 1640 wrote to memory of 2564	1640	8bfc441342c8bf952a16f73fd6840ca0abd47108fe63a9292df3f16b14c1cd2cN.exe	31
PID 1640 wrote to memory of 2564	1640	8bfc441342c8bf952a16f73fd6840ca0abd47108fe63a9292df3f16b14c1cd2cN.exe	31
PID 1640 wrote to memory of 2564	1640	8bfc441342c8bf952a16f73fd6840ca0abd47108fe63a9292df3f16b14c1cd2cN.exe	31
PID 1640 wrote to memory of 2564	1640	8bfc441342c8bf952a16f73fd6840ca0abd47108fe63a9292df3f16b14c1cd2cN.exe	31
PID 2564 wrote to memory of 1108	2564	winver.exe	20
PID 2564 wrote to memory of 1036	2564	winver.exe	17
PID 2564 wrote to memory of 1052	2564	winver.exe	18
PID 2564 wrote to memory of 1108	2564	winver.exe	20
PID 2564 wrote to memory of 1664	2564	winver.exe	25
PID 2564 wrote to memory of 1640	2564	winver.exe	29

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1036

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1052

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1108
- C:\Users\Admin\AppData\Local\Temp\8bfc441342c8bf952a16f73fd6840ca0abd47108fe63a9292df3f16b14c1cd2cN.exe
  "C:\Users\Admin\AppData\Local\Temp\8bfc441342c8bf952a16f73fd6840ca0abd47108fe63a9292df3f16b14c1cd2cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1640
- - 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:2564

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1664

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/1036-26-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1036-9-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1052-12-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1052-28-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1108-15-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1108-3-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1108-1-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1108-6-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1640-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1664-18-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/1664-29-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/2564-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2564-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2564-31-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads