tinba | 84f2f0f0cc81322652ef7791e11e40d193cd666578f2fb0750e3a7e779e6249c

Analysis

max time kernel
149s
max time network
145s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
11/11/2024, 00:36

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General

Target

84f2f0f0cc81322652ef7791e11e40d193cd666578f2fb0750e3a7e779e6249c.exe
Size

237KB
MD5

7c57804e8b079d9c4a69b89abacd707b
SHA1

8cbaf6c07af22e0048399150e27215ba3a64753a
SHA256

84f2f0f0cc81322652ef7791e11e40d193cd666578f2fb0750e3a7e779e6249c
SHA512

7b70153e9787b8a66c2e0ba199ea8520c8d6629d4dfe1f5148641905ad19f988961c28578e6ea8aac542142e6226fd1514eac192a1f72e59e6c5ac6f8822c301
SSDEEP

6144:MA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:MATuTAnKGwUAWVycQqgj

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\ECBB0BEC = "C:\\Users\\Admin\\AppData\\Roaming\\ECBB0BEC\\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	84f2f0f0cc81322652ef7791e11e40d193cd666578f2fb0750e3a7e779e6249c.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe
2976	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2976	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2976	2412	84f2f0f0cc81322652ef7791e11e40d193cd666578f2fb0750e3a7e779e6249c.exe	31
PID 2412 wrote to memory of 2976	2412	84f2f0f0cc81322652ef7791e11e40d193cd666578f2fb0750e3a7e779e6249c.exe	31
PID 2412 wrote to memory of 2976	2412	84f2f0f0cc81322652ef7791e11e40d193cd666578f2fb0750e3a7e779e6249c.exe	31
PID 2412 wrote to memory of 2976	2412	84f2f0f0cc81322652ef7791e11e40d193cd666578f2fb0750e3a7e779e6249c.exe	31
PID 2412 wrote to memory of 2976	2412	84f2f0f0cc81322652ef7791e11e40d193cd666578f2fb0750e3a7e779e6249c.exe	31
PID 2976 wrote to memory of 1196	2976	winver.exe	21
PID 2976 wrote to memory of 1096	2976	winver.exe	19
PID 2976 wrote to memory of 1160	2976	winver.exe	20
PID 2976 wrote to memory of 1196	2976	winver.exe	21
PID 2976 wrote to memory of 2028	2976	winver.exe	23
PID 2976 wrote to memory of 2412	2976	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\84f2f0f0cc81322652ef7791e11e40d193cd666578f2fb0750e3a7e779e6249c.exe
  "C:\Users\Admin\AppData\Local\Temp\84f2f0f0cc81322652ef7791e11e40d193cd666578f2fb0750e3a7e779e6249c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2412
- - 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:2976

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2028

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/1096-26-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1096-9-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1160-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-15-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/1196-27-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1196-6-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/2028-18-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/2028-29-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/2412-25-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2976-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2976-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2976-31-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download