tinba | da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-10-2024 02:38

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General

Target

da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe
Size

610KB
MD5

b577940137d52af3209cbef414530282
SHA1

042fc61c17bd68c913295ede401b053ce00bcfd3
SHA256

da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415
SHA512

40773e234b56d59f2b3b2911252957389d97de3b8d6aa9f3a3c6f052585cf383d474c6c777419f4c317e590c42746f2f7a93966ace4200339aa849c83a1750e7
SSDEEP

12288:dATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:HT+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

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\B0952725 = "C:\\Users\\Admin\\AppData\\Roaming\\B0952725\\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	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe
2744	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2744	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2744	2216	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe	30
PID 2216 wrote to memory of 2744	2216	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe	30
PID 2216 wrote to memory of 2744	2216	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe	30
PID 2216 wrote to memory of 2744	2216	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe	30
PID 2216 wrote to memory of 2744	2216	da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe	30
PID 2744 wrote to memory of 1184	2744	winver.exe	21
PID 2744 wrote to memory of 1108	2744	winver.exe	19
PID 2744 wrote to memory of 1156	2744	winver.exe	20
PID 2744 wrote to memory of 1184	2744	winver.exe	21
PID 2744 wrote to memory of 2032	2744	winver.exe	23

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

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\da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe
  "C:\Users\Admin\AppData\Local\Temp\da3dbb8df9038dc8b2613a9b6d3df4adf4b2c21a523a38a33d6c51a8faf86415.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2216
- - 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:2744

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

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/1108-24-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1108-11-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1156-14-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1156-27-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1184-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1184-17-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1184-1-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1184-25-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1184-6-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/2032-20-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/2032-26-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/2216-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2744-23-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/2744-4-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2744-29-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download