tinba | 4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840

General

Target

4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe
Size

610KB
MD5

aad1fa8d992077456ca89abe5d382010
SHA1

147947550010a5a27ad98746c9543859df6268b4
SHA256

4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840
SHA512

a3a21fbde565b5ea70603d480005a8feb9dcf46b1de0387149a3f047702094ddafdd175f4ecc379c1f9fbae8cdd5d1c3bf16150e94dd3e3d688752e2e6ffdc2e
SSDEEP

12288:sATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:CT+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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\0BD0949F = "C:\\Users\\Admin\\AppData\\Roaming\\0BD0949F\\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	4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe
1532	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1532	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 1532	2192	4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe	30
PID 2192 wrote to memory of 1532	2192	4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe	30
PID 2192 wrote to memory of 1532	2192	4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe	30
PID 2192 wrote to memory of 1532	2192	4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe	30
PID 2192 wrote to memory of 1532	2192	4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe	30
PID 1532 wrote to memory of 1184	1532	winver.exe	21
PID 1532 wrote to memory of 1084	1532	winver.exe	19
PID 1532 wrote to memory of 1156	1532	winver.exe	20
PID 1532 wrote to memory of 1184	1532	winver.exe	21
PID 1532 wrote to memory of 2032	1532	winver.exe	23
PID 1532 wrote to memory of 2192	1532	winver.exe	27

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe
  "C:\Users\Admin\AppData\Local\Temp\4255ab23a38b4b45c3e96b5394f53e133526f06cefaf86ea6bbbe9366c1ba840N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2192
- - 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:1532

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2032

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/1084-26-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1084-11-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1156-14-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1156-28-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1184-17-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1184-1-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1184-6-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1184-27-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1532-25-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1532-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1532-31-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2032-20-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/2032-29-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/2192-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads