tinba | cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
15-01-2025 07:58

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General

Target

cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe
Size

225KB
MD5

44f7a2df07912fb6252f7376ba75f728
SHA1

d7997dd5ae3a3d34e433f86bf7c81ed7b0625979
SHA256

cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea
SHA512

a3886914ab646065d4db1ae104668c0e4defe076c4124d15b80b5d973266b728d0f49902372c8e15e33dd24a16276f2274b4254273207cb5b941ddc4c4c9a478
SSDEEP

6144:zA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:zATuTAnKGwUAW3ycQqgf

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\884006FE = "C:\\Users\\Admin\\AppData\\Roaming\\884006FE\\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	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe
2740	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2740	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2740	2880	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe	30
PID 2880 wrote to memory of 2740	2880	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe	30
PID 2880 wrote to memory of 2740	2880	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe	30
PID 2880 wrote to memory of 2740	2880	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe	30
PID 2880 wrote to memory of 2740	2880	cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe	30
PID 2740 wrote to memory of 1196	2740	winver.exe	21
PID 2740 wrote to memory of 1100	2740	winver.exe	19
PID 2740 wrote to memory of 1164	2740	winver.exe	20
PID 2740 wrote to memory of 1196	2740	winver.exe	21
PID 2740 wrote to memory of 1608	2740	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe
  "C:\Users\Admin\AppData\Local\Temp\cb75254bce4a4991d5bc9900fad3b54a047a678e8eafece414b5ba17ace936ea.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2880
- - 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:2740

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1608

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/1100-24-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1100-11-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1164-14-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1164-26-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1196-6-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1196-17-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1196-25-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1608-20-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/1608-27-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2740-23-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2740-4-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2740-29-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2880-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download