tinba | d9e1f9c1647adaef25e845102458a830d46727c500cb84b4b3b88a7b1e84e2fb

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 05:39

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General

Target

d9e1f9c1647adaef25e845102458a830d46727c500cb84b4b3b88a7b1e84e2fbN.exe
Size

34KB
MD5

d9e7c6bcdad8647ac78b0ad183d85480
SHA1

c7237ecd60c6e0ec036c5e47fbeacafad933adaa
SHA256

d9e1f9c1647adaef25e845102458a830d46727c500cb84b4b3b88a7b1e84e2fb
SHA512

4cec0b3aa208b7ce5ced0bc04c30dafe62a76bb75c4795392768007394b8a623e53ed78adc6e3510f2a2826b1f62fde1dfc8b238fcf4a5cf7b27d8c3c74ca986
SSDEEP

768:gp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:gpYoX58z1uirL98xMWnT0OQ9J2

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

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\720DDB04 = "C:\\Users\\Admin\\AppData\\Roaming\\720DDB04\\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/1968-0-0x0000000000400000-0x0000000000417000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d9e1f9c1647adaef25e845102458a830d46727c500cb84b4b3b88a7b1e84e2fbN.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe
1728	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1728	winver.exe
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 1728	1968	d9e1f9c1647adaef25e845102458a830d46727c500cb84b4b3b88a7b1e84e2fbN.exe	31
PID 1968 wrote to memory of 1728	1968	d9e1f9c1647adaef25e845102458a830d46727c500cb84b4b3b88a7b1e84e2fbN.exe	31
PID 1968 wrote to memory of 1728	1968	d9e1f9c1647adaef25e845102458a830d46727c500cb84b4b3b88a7b1e84e2fbN.exe	31
PID 1968 wrote to memory of 1728	1968	d9e1f9c1647adaef25e845102458a830d46727c500cb84b4b3b88a7b1e84e2fbN.exe	31
PID 1968 wrote to memory of 1728	1968	d9e1f9c1647adaef25e845102458a830d46727c500cb84b4b3b88a7b1e84e2fbN.exe	31
PID 1728 wrote to memory of 1244	1728	winver.exe	21
PID 1728 wrote to memory of 1112	1728	winver.exe	19
PID 1728 wrote to memory of 1176	1728	winver.exe	20
PID 1728 wrote to memory of 1244	1728	winver.exe	21
PID 1728 wrote to memory of 1324	1728	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1244
- C:\Users\Admin\AppData\Local\Temp\d9e1f9c1647adaef25e845102458a830d46727c500cb84b4b3b88a7b1e84e2fbN.exe
  "C:\Users\Admin\AppData\Local\Temp\d9e1f9c1647adaef25e845102458a830d46727c500cb84b4b3b88a7b1e84e2fbN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1968
- - 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:1728

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1324

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/1112-27-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1112-28-0x00000000777D1000-0x00000000777D2000-memory.dmp

Filesize
4KB

Download
memory/1176-31-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1244-3-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1244-2-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1244-4-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1244-23-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1244-10-0x00000000777D1000-0x00000000777D2000-memory.dmp

Filesize
4KB

Download
memory/1244-32-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1324-29-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/1324-30-0x00000000777D1000-0x00000000777D2000-memory.dmp

Filesize
4KB

Download
memory/1324-26-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/1728-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1728-11-0x0000000077780000-0x0000000077929000-memory.dmp

Filesize
1.7MB

Download
memory/1728-9-0x000000007797F000-0x0000000077981000-memory.dmp

Filesize
8KB

Download
memory/1728-8-0x000000007797F000-0x0000000077980000-memory.dmp

Filesize
4KB

Download
memory/1728-7-0x0000000077980000-0x0000000077981000-memory.dmp

Filesize
4KB

Download
memory/1728-33-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1728-38-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/1968-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/1968-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1968-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1968-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/1968-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download