tinba | 9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 08:31

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General

Target

9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe
Size

59KB
MD5

0e481b28c5dad6674ee4c4f86d998f0b
SHA1

f72f28ec6e1f98caeba13e722aedb5aa89f57684
SHA256

9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01
SHA512

ae4d754849a48ab883435e488222eb95c00e6e8c4996f6e907e7ec4d7cfc9166f6d017992745df51f263877a2fb5c3f861397fe3a4ecaa1f8905ea6acad6d824
SSDEEP

768:G+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J3:G+mFM2HXKZgiFP7xIksu+XM5O9J3

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\A155593D = "C:\\Users\\Admin\\AppData\\Roaming\\A155593D\\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	9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe
2400	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2400	winver.exe
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 2400	2956	9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe	32
PID 2956 wrote to memory of 2400	2956	9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe	32
PID 2956 wrote to memory of 2400	2956	9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe	32
PID 2956 wrote to memory of 2400	2956	9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe	32
PID 2956 wrote to memory of 2400	2956	9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe	32
PID 2400 wrote to memory of 1188	2400	winver.exe	21
PID 2400 wrote to memory of 1120	2400	winver.exe	19
PID 2400 wrote to memory of 1168	2400	winver.exe	20
PID 2400 wrote to memory of 1188	2400	winver.exe	21
PID 2400 wrote to memory of 868	2400	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1188
- C:\Users\Admin\AppData\Local\Temp\9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe
  "C:\Users\Admin\AppData\Local\Temp\9ed1e146408e893842a46b26c16702596b93dd7092329920ef3b17a500569c01.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2956
- - 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:2400

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:868

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/868-29-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/868-24-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/868-28-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/1120-26-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1120-25-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/1168-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1188-27-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1188-9-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1188-21-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/2400-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2400-6-0x0000000076F80000-0x0000000076F81000-memory.dmp

Filesize
4KB

Download
memory/2400-7-0x0000000076F7F000-0x0000000076F80000-memory.dmp

Filesize
4KB

Download
memory/2400-8-0x0000000076F7F000-0x0000000076F81000-memory.dmp

Filesize
8KB

Download
memory/2400-10-0x0000000076D80000-0x0000000076F29000-memory.dmp

Filesize
1.7MB

Download
memory/2400-31-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2956-12-0x0000000001DE0000-0x00000000027E0000-memory.dmp

Filesize
10.0MB

Download
memory/2956-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2956-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2956-4-0x0000000001DE0000-0x00000000027E0000-memory.dmp

Filesize
10.0MB

Download