tinba | 66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 00:47

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General

Target

66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe
Size

225KB
MD5

1b82cbc21c431ac2aeddcd4c8c803d22
SHA1

fd6c25e068d00f289a575b685a1bb7967ea71862
SHA256

66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb
SHA512

7a707faa6617bc48da07f7fdcfa19a3b7fb98b0c7af777e55dff8bfbce8dd29af1a454ed2b539a35c0dbd82fe84f6412727f1e6c127b7ac6c40ea237e3148d9f
SSDEEP

6144:jA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:jATuTAnKGwUAW3ycQqgf

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\DBDC54EB = "C:\\Users\\Admin\\AppData\\Roaming\\DBDC54EB\\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	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2980	winver.exe
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2980	2544	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	31
PID 2544 wrote to memory of 2980	2544	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	31
PID 2544 wrote to memory of 2980	2544	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	31
PID 2544 wrote to memory of 2980	2544	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	31
PID 2544 wrote to memory of 2980	2544	66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe	31
PID 2980 wrote to memory of 1196	2980	winver.exe	21
PID 2980 wrote to memory of 1104	2980	winver.exe	19
PID 2980 wrote to memory of 1152	2980	winver.exe	20
PID 2980 wrote to memory of 1196	2980	winver.exe	21
PID 2980 wrote to memory of 836	2980	winver.exe	25
PID 2980 wrote to memory of 2544	2980	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1196
- C:\Users\Admin\AppData\Local\Temp\66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe
  "C:\Users\Admin\AppData\Local\Temp\66187ea5a736a0bbd81043325d3fbcbf8cb7933a9b169cc4ac827f5c539101bb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2544
- - 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:2980

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:836

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/836-18-0x00000000023E0000-0x00000000023E6000-memory.dmp

Filesize
24KB

Download
memory/836-26-0x00000000023E0000-0x00000000023E6000-memory.dmp

Filesize
24KB

Download
memory/1104-29-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1104-9-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1152-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1152-12-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download
memory/1196-15-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1196-27-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download
memory/1196-6-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download
memory/2544-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2980-23-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2980-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2980-31-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download