tinba | 471e902f5ddfbe97aefd6218307319b7e55d2431c02c6463f950a9558e5af661

Analysis

max time kernel
118s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 01:48

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General

Target

471e902f5ddfbe97aefd6218307319b7e55d2431c02c6463f950a9558e5af661N.exe
Size

45KB
MD5

a29d08b9275c535f21b3e3c998a3d270
SHA1

876cc049d4c6029ac3e8a5d1659bdf9d9c28681f
SHA256

471e902f5ddfbe97aefd6218307319b7e55d2431c02c6463f950a9558e5af661
SHA512

29ed4eee2c5e86b6eb0fb5fb58d672260c4d49c8b714e6047d529ab76e55bf832279f0d500436f1ba367e65f839bbe215ccf751680e6253235b3dace77258087
SSDEEP

768:QhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:ssWE9N5dFu53dsniQaB/xZ14n7zIF+qL

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\AAB271AA = "C:\\Users\\Admin\\AppData\\Roaming\\AAB271AA\\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/2548-0-0x0000000000400000-0x000000000041D000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	471e902f5ddfbe97aefd6218307319b7e55d2431c02c6463f950a9558e5af661N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe
1908	winver.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1908	winver.exe
1192	Explorer.EXE
1192	Explorer.EXE
1192	Explorer.EXE
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE
1192	Explorer.EXE
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 1908	2548	471e902f5ddfbe97aefd6218307319b7e55d2431c02c6463f950a9558e5af661N.exe	31
PID 2548 wrote to memory of 1908	2548	471e902f5ddfbe97aefd6218307319b7e55d2431c02c6463f950a9558e5af661N.exe	31
PID 2548 wrote to memory of 1908	2548	471e902f5ddfbe97aefd6218307319b7e55d2431c02c6463f950a9558e5af661N.exe	31
PID 2548 wrote to memory of 1908	2548	471e902f5ddfbe97aefd6218307319b7e55d2431c02c6463f950a9558e5af661N.exe	31
PID 2548 wrote to memory of 1908	2548	471e902f5ddfbe97aefd6218307319b7e55d2431c02c6463f950a9558e5af661N.exe	31
PID 1908 wrote to memory of 1192	1908	winver.exe	21
PID 1908 wrote to memory of 1072	1908	winver.exe	18
PID 1908 wrote to memory of 1156	1908	winver.exe	20
PID 1908 wrote to memory of 1192	1908	winver.exe	21
PID 1908 wrote to memory of 316	1908	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1192
- C:\Users\Admin\AppData\Local\Temp\471e902f5ddfbe97aefd6218307319b7e55d2431c02c6463f950a9558e5af661N.exe
  "C:\Users\Admin\AppData\Local\Temp\471e902f5ddfbe97aefd6218307319b7e55d2431c02c6463f950a9558e5af661N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2548
- - 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:1908

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:316

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/316-29-0x0000000076EF1000-0x0000000076EF2000-memory.dmp

Filesize
4KB

Download
memory/316-24-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/316-30-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/1072-27-0x0000000076EF1000-0x0000000076EF2000-memory.dmp

Filesize
4KB

Download
memory/1072-26-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1156-28-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1156-19-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1192-21-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000076EF1000-0x0000000076EF2000-memory.dmp

Filesize
4KB

Download
memory/1192-3-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1192-25-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1908-11-0x0000000076EA0000-0x0000000077049000-memory.dmp

Filesize
1.7MB

Download
memory/1908-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1908-7-0x00000000770A0000-0x00000000770A1000-memory.dmp

Filesize
4KB

Download
memory/1908-8-0x000000007709F000-0x00000000770A0000-memory.dmp

Filesize
4KB

Download
memory/1908-9-0x000000007709F000-0x00000000770A1000-memory.dmp

Filesize
8KB

Download
memory/1908-31-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2548-13-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2548-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2548-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2548-5-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2548-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download