tinba | 8d60a63be25dba5557f689d30d1cd7c35f122f4c38ad18f2d5f7a70973352b10

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31/08/2024, 22:51

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General

Target

ba87769b40804b895b8b524fe9a45b44d51ceb4966088c57c79407c3dc4616bc.exe
Size

160KB
MD5

d589041bdfc1adbabfaaa7a333dd90d4
SHA1

70f7c06a22a0ae64127ec1b5903afbcdbf4dcc36
SHA256

ba87769b40804b895b8b524fe9a45b44d51ceb4966088c57c79407c3dc4616bc
SHA512

3ea1488eea9ff8c36f213ae2198c3b5fe227aa0097c09191e0962736df167f8218c82fa3ee88ace61c7d09fbb0653dec817a6b0da319cea7c9aa571dca06d452
SSDEEP

1536:BEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:KY+4MiIkLZJNAQ9J6v

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1868-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\3366CC9E = "C:\\Users\\Admin\\AppData\\Roaming\\3366CC9E\\bin.exe"	winver.exe

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	ba87769b40804b895b8b524fe9a45b44d51ceb4966088c57c79407c3dc4616bc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2532	winver.exe
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2532	1868	ba87769b40804b895b8b524fe9a45b44d51ceb4966088c57c79407c3dc4616bc.exe	31
PID 1868 wrote to memory of 2532	1868	ba87769b40804b895b8b524fe9a45b44d51ceb4966088c57c79407c3dc4616bc.exe	31
PID 1868 wrote to memory of 2532	1868	ba87769b40804b895b8b524fe9a45b44d51ceb4966088c57c79407c3dc4616bc.exe	31
PID 1868 wrote to memory of 2532	1868	ba87769b40804b895b8b524fe9a45b44d51ceb4966088c57c79407c3dc4616bc.exe	31
PID 1868 wrote to memory of 2532	1868	ba87769b40804b895b8b524fe9a45b44d51ceb4966088c57c79407c3dc4616bc.exe	31
PID 2532 wrote to memory of 1240	2532	winver.exe	21
PID 2532 wrote to memory of 1112	2532	winver.exe	19
PID 2532 wrote to memory of 1164	2532	winver.exe	20
PID 2532 wrote to memory of 1240	2532	winver.exe	21
PID 2532 wrote to memory of 1384	2532	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1240
- C:\Users\Admin\AppData\Local\Temp\ba87769b40804b895b8b524fe9a45b44d51ceb4966088c57c79407c3dc4616bc.exe
  "C:\Users\Admin\AppData\Local\Temp\ba87769b40804b895b8b524fe9a45b44d51ceb4966088c57c79407c3dc4616bc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1868
- - 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:2532

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1384

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/1112-26-0x0000000076EA1000-0x0000000076EA2000-memory.dmp

Filesize
4KB

Download
memory/1112-25-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1164-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1240-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1240-2-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1240-28-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1240-10-0x0000000076EA1000-0x0000000076EA2000-memory.dmp

Filesize
4KB

Download
memory/1240-4-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1240-22-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1384-24-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/1384-29-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/1384-30-0x0000000076EA1000-0x0000000076EA2000-memory.dmp

Filesize
4KB

Download
memory/1868-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1868-13-0x0000000001C10000-0x0000000002610000-memory.dmp

Filesize
10.0MB

Download
memory/1868-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1868-5-0x0000000001C10000-0x0000000002610000-memory.dmp

Filesize
10.0MB

Download
memory/1868-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2532-11-0x0000000076E50000-0x0000000076FF9000-memory.dmp

Filesize
1.7MB

Download
memory/2532-9-0x000000007704F000-0x0000000077051000-memory.dmp

Filesize
8KB

Download
memory/2532-8-0x000000007704F000-0x0000000077050000-memory.dmp

Filesize
4KB

Download
memory/2532-7-0x0000000077050000-0x0000000077051000-memory.dmp

Filesize
4KB

Download
memory/2532-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2532-31-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download