tinba | 2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471

Analysis

max time kernel
148s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 21:13

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General

Target

2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe
Size

610KB
MD5

7f36399c44d00c1d3a80df0f20d8c025
SHA1

471d8e5511f58a37f8f4f4936cc2ceb9773abea4
SHA256

2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471
SHA512

3b28ee3b4806d42abe89673ce92599b4323b2f4e0828b1ea3f0931a6fc17a8395744cee6ba50fe38203f839c5d51dbac05b646872a129132511528fc931353c5
SSDEEP

12288:RATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:zT+KjUdQqboyyWoK1NGqzuhb

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\937394D5 = "C:\\Users\\Admin\\AppData\\Roaming\\937394D5\\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	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2212	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 328 wrote to memory of 2212	328	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe	31
PID 328 wrote to memory of 2212	328	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe	31
PID 328 wrote to memory of 2212	328	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe	31
PID 328 wrote to memory of 2212	328	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe	31
PID 328 wrote to memory of 2212	328	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe	31
PID 2212 wrote to memory of 1176	2212	winver.exe	21
PID 2212 wrote to memory of 1056	2212	winver.exe	17
PID 2212 wrote to memory of 1084	2212	winver.exe	19
PID 2212 wrote to memory of 1176	2212	winver.exe	21
PID 2212 wrote to memory of 1760	2212	winver.exe	25
PID 2212 wrote to memory of 328	2212	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1056

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1176
- C:\Users\Admin\AppData\Local\Temp\2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe
  "C:\Users\Admin\AppData\Local\Temp\2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:328
- - 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:2212

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1760

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/328-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1056-29-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1056-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1084-12-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1084-26-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1176-15-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1176-3-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1176-6-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1176-1-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1176-27-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1760-18-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1760-28-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/2212-23-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/2212-4-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2212-31-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download