tinba | 185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20

Analysis

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

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28-11-2024 08:59

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General

Target

185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe
Size

45KB
MD5

de22823a871b415d4c1ccf7b23914d3c
SHA1

9d63614971975fc985a05a1e81e536178cdc821a
SHA256

185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20
SHA512

7438a484c19c2cad25e4c3108a4fb64ef76ba1fbf9470053773489516f17fcc1260011bef98dbfe92538c283104ad0a3cbf2d48d970608333bfb908303c3040a
SSDEEP

768:YhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:ksWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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\8D0C0763 = "C:\\Users\\Admin\\AppData\\Roaming\\8D0C0763\\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/2052-0-0x0000000000400000-0x000000000041D000-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	185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe
2044	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2044	winver.exe
1168	Explorer.EXE
1168	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1168	Explorer.EXE
1168	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 2044	2052	185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe	31
PID 2052 wrote to memory of 2044	2052	185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe	31
PID 2052 wrote to memory of 2044	2052	185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe	31
PID 2052 wrote to memory of 2044	2052	185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe	31
PID 2052 wrote to memory of 2044	2052	185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe	31
PID 2044 wrote to memory of 1168	2044	winver.exe	20
PID 2044 wrote to memory of 1072	2044	winver.exe	18
PID 2044 wrote to memory of 1140	2044	winver.exe	19
PID 2044 wrote to memory of 1168	2044	winver.exe	20
PID 2044 wrote to memory of 1756	2044	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1140

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1168
- C:\Users\Admin\AppData\Local\Temp\185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe
  "C:\Users\Admin\AppData\Local\Temp\185f1b7c8c183f47d25e1b1729d4cdc39375735fb11bad4a20d83d46e555bc20.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2052
- - 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:2044

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1756

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/1072-35-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1072-22-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1072-23-0x00000000775B1000-0x00000000775B2000-memory.dmp

Filesize
4KB

Download
memory/1140-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1140-32-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1140-21-0x00000000775B1000-0x00000000775B2000-memory.dmp

Filesize
4KB

Download
memory/1168-26-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1168-10-0x00000000775B1000-0x00000000775B2000-memory.dmp

Filesize
4KB

Download
memory/1168-33-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1168-4-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1168-3-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1168-2-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1756-29-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1756-31-0x00000000775B1000-0x00000000775B2000-memory.dmp

Filesize
4KB

Download
memory/1756-30-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/2044-7-0x0000000077760000-0x0000000077761000-memory.dmp

Filesize
4KB

Download
memory/2044-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2044-9-0x000000007775F000-0x0000000077761000-memory.dmp

Filesize
8KB

Download
memory/2044-11-0x0000000077560000-0x0000000077709000-memory.dmp

Filesize
1.7MB

Download
memory/2044-8-0x000000007775F000-0x0000000077760000-memory.dmp

Filesize
4KB

Download
memory/2044-34-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2044-39-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2052-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2052-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2052-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2052-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2052-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download