tinba | 784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-01-2025 09:11

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General

Target

784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe
Size

59KB
MD5

5809bc8aa6e995d8a0bfe73babf29efc
SHA1

c4e0b6b5e4d195c6f531c7225eba82e68f13fb3d
SHA256

784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639
SHA512

96727d125fd8dc6e0969fd88a51737d93d75f5e83470e29dc282bd41c86547255d974e9034dd7fe2940aca475ff957627a7070ba7463c2a932a49af8f2e28b87
SSDEEP

768:z+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J/:z+mFM2HXKZgiFP7xIksu+XM5O9J/

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\23ACDC49 = "C:\\Users\\Admin\\AppData\\Roaming\\23ACDC49\\bin.exe"	winver.exe

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	784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe
2384	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2384	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 2384	1200	784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe	31
PID 1200 wrote to memory of 2384	1200	784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe	31
PID 1200 wrote to memory of 2384	1200	784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe	31
PID 1200 wrote to memory of 2384	1200	784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe	31
PID 1200 wrote to memory of 2384	1200	784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe	31
PID 2384 wrote to memory of 1208	2384	winver.exe	21
PID 2384 wrote to memory of 1108	2384	winver.exe	19
PID 2384 wrote to memory of 1152	2384	winver.exe	20
PID 2384 wrote to memory of 1208	2384	winver.exe	21
PID 2384 wrote to memory of 1648	2384	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe
  "C:\Users\Admin\AppData\Local\Temp\784751d31a501670caccc6a8547a2664d5ff53b50465ef0f22b3badc9040f639.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1200
- - 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:2384

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1648

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1108-26-0x00000000771E1000-0x00000000771E2000-memory.dmp

Filesize
4KB

Download
memory/1108-36-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1108-25-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1152-31-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1152-27-0x00000000771E1000-0x00000000771E2000-memory.dmp

Filesize
4KB

Download
memory/1152-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1200-12-0x0000000001E50000-0x0000000002850000-memory.dmp

Filesize
10.0MB

Download
memory/1200-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1200-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1200-4-0x0000000001E50000-0x0000000002850000-memory.dmp

Filesize
10.0MB

Download
memory/1208-22-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1208-1-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1208-30-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1208-9-0x00000000771E1000-0x00000000771E2000-memory.dmp

Filesize
4KB

Download
memory/1648-24-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1648-28-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1648-29-0x00000000771E1000-0x00000000771E2000-memory.dmp

Filesize
4KB

Download
memory/2384-8-0x000000007738F000-0x0000000077391000-memory.dmp

Filesize
8KB

Download
memory/2384-10-0x0000000077190000-0x0000000077339000-memory.dmp

Filesize
1.7MB

Download
memory/2384-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2384-6-0x0000000077390000-0x0000000077391000-memory.dmp

Filesize
4KB

Download
memory/2384-32-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2384-7-0x000000007738F000-0x0000000077390000-memory.dmp

Filesize
4KB

Download
memory/2384-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download