tinba | 6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 01:32

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General

Target

6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe
Size

34KB
MD5

32827be52bd09f80744632fb8076182a
SHA1

e295dc575674d5c90a7cd670973a598155976ae5
SHA256

6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52
SHA512

15dd9da7a02ab2c1155dff07dcc9531d1ea04b55930ae860a60f9047a6f4cca05743f6b3bb739237c3a28467ace97fd12f4a9e3a29ae9f6ca8200fc2c1eb1da6
SSDEEP

768:8p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JG:8pYoX58z1uirL98xMWnT0OQ9JG

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\5BC379A3 = "C:\\Users\\Admin\\AppData\\Roaming\\5BC379A3\\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/1300-0-0x0000000000400000-0x0000000000417000-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	6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe
2188	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2188	winver.exe
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 2188	1300	6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe	31
PID 1300 wrote to memory of 2188	1300	6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe	31
PID 1300 wrote to memory of 2188	1300	6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe	31
PID 1300 wrote to memory of 2188	1300	6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe	31
PID 1300 wrote to memory of 2188	1300	6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe	31
PID 2188 wrote to memory of 1216	2188	winver.exe	21
PID 2188 wrote to memory of 1124	2188	winver.exe	19
PID 2188 wrote to memory of 1184	2188	winver.exe	20
PID 2188 wrote to memory of 1216	2188	winver.exe	21
PID 2188 wrote to memory of 1532	2188	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1216
- C:\Users\Admin\AppData\Local\Temp\6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe
  "C:\Users\Admin\AppData\Local\Temp\6ee9dea595cbb0e6b2032b8777bf257c874cbd808cc12c7c441c6a20ccc2ce52.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1300
- - 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:2188

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1532

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/1124-24-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1124-25-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1184-35-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1184-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1184-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1184-29-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1216-21-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1216-4-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1216-10-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1216-30-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1300-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1300-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1300-13-0x0000000001EC0000-0x00000000028C0000-memory.dmp

Filesize
10.0MB

Download
memory/1300-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1300-5-0x0000000001EC0000-0x00000000028C0000-memory.dmp

Filesize
10.0MB

Download
memory/1532-26-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/1532-23-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/1532-27-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/2188-7-0x0000000076FF0000-0x0000000076FF1000-memory.dmp

Filesize
4KB

Download
memory/2188-11-0x0000000076DF0000-0x0000000076F99000-memory.dmp

Filesize
1.7MB

Download
memory/2188-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2188-9-0x0000000076FEF000-0x0000000076FF1000-memory.dmp

Filesize
8KB

Download
memory/2188-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2188-8-0x0000000076FEF000-0x0000000076FF0000-memory.dmp

Filesize
4KB

Download