tinba | 85995f0d26301c927f5f4762731f9a71901d8d49d74595b968da6fb9cc38704b

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-01-2025 04:34

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General

Target

85995f0d26301c927f5f4762731f9a71901d8d49d74595b968da6fb9cc38704b.exe
Size

110KB
MD5

a9b5d824c222e12008cc5e15501ca14c
SHA1

f12bf2de58e14bcc395fd6b6561603389faef33c
SHA256

85995f0d26301c927f5f4762731f9a71901d8d49d74595b968da6fb9cc38704b
SHA512

37068f81980b3a5b752d33536c46af03e141f995104ba499b8aa5b01b0dc1076bb711a1da0b49adcb51be7d6041cf386b088cc69c7406c2fb6fcd70d05534703
SSDEEP

1536:xiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:xiyvRmDLs/ZrwWJjAqGcRJ2hA

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\3E9D5FC4 = "C:\\Users\\Admin\\AppData\\Roaming\\3E9D5FC4\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2472-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

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	85995f0d26301c927f5f4762731f9a71901d8d49d74595b968da6fb9cc38704b.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe
1652	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1652	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 1652	2472	85995f0d26301c927f5f4762731f9a71901d8d49d74595b968da6fb9cc38704b.exe	29
PID 2472 wrote to memory of 1652	2472	85995f0d26301c927f5f4762731f9a71901d8d49d74595b968da6fb9cc38704b.exe	29
PID 2472 wrote to memory of 1652	2472	85995f0d26301c927f5f4762731f9a71901d8d49d74595b968da6fb9cc38704b.exe	29
PID 2472 wrote to memory of 1652	2472	85995f0d26301c927f5f4762731f9a71901d8d49d74595b968da6fb9cc38704b.exe	29
PID 2472 wrote to memory of 1652	2472	85995f0d26301c927f5f4762731f9a71901d8d49d74595b968da6fb9cc38704b.exe	29
PID 1652 wrote to memory of 1216	1652	winver.exe	21
PID 1652 wrote to memory of 1124	1652	winver.exe	19
PID 1652 wrote to memory of 1188	1652	winver.exe	20
PID 1652 wrote to memory of 1216	1652	winver.exe	21
PID 1652 wrote to memory of 1672	1652	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1188

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\85995f0d26301c927f5f4762731f9a71901d8d49d74595b968da6fb9cc38704b.exe
  "C:\Users\Admin\AppData\Local\Temp\85995f0d26301c927f5f4762731f9a71901d8d49d74595b968da6fb9cc38704b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2472
- - 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:1652

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1672

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/1124-27-0x0000000077C71000-0x0000000077C72000-memory.dmp

Filesize
4KB

Download
memory/1124-26-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/1188-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1188-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/1216-10-0x0000000077C71000-0x0000000077C72000-memory.dmp

Filesize
4KB

Download
memory/1216-4-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/1216-29-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1216-23-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1652-11-0x0000000077C20000-0x0000000077DC9000-memory.dmp

Filesize
1.7MB

Download
memory/1652-9-0x0000000077E1F000-0x0000000077E21000-memory.dmp

Filesize
8KB

Download
memory/1652-8-0x0000000077E1F000-0x0000000077E20000-memory.dmp

Filesize
4KB

Download
memory/1652-7-0x0000000077E20000-0x0000000077E21000-memory.dmp

Filesize
4KB

Download
memory/1652-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1652-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1672-30-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1672-31-0x0000000077C71000-0x0000000077C72000-memory.dmp

Filesize
4KB

Download
memory/1672-25-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/2472-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2472-13-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download
memory/2472-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2472-5-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download
memory/2472-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download