tinba | 7680fc92e7ecf99fc3b5b699f6195dd85c22293af233e6f6bf8972895409fc03

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 07:40

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General

Target

7680fc92e7ecf99fc3b5b699f6195dd85c22293af233e6f6bf8972895409fc03N.exe
Size

98KB
MD5

03a87b535043242fe982f95a8d7aa040
SHA1

c29119163c409182a45029422acdb0d1c2389400
SHA256

7680fc92e7ecf99fc3b5b699f6195dd85c22293af233e6f6bf8972895409fc03
SHA512

6139a1b66f140fb5643f41b4c4761fa76fe561906e5cd961161b9c5e9dc3c3e391c3b065859ab56224c0f84794d48c2a558f1da7e2d2e25c83f844c2817cfdac
SSDEEP

768:Q+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:Q+mFM2HXKZgi9Iksu+XM57ipeq9JF

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

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\7CDB2EB0 = "C:\\Users\\Admin\\AppData\\Roaming\\7CDB2EB0\\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	7680fc92e7ecf99fc3b5b699f6195dd85c22293af233e6f6bf8972895409fc03N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2912	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2912	2720	7680fc92e7ecf99fc3b5b699f6195dd85c22293af233e6f6bf8972895409fc03N.exe	31
PID 2720 wrote to memory of 2912	2720	7680fc92e7ecf99fc3b5b699f6195dd85c22293af233e6f6bf8972895409fc03N.exe	31
PID 2720 wrote to memory of 2912	2720	7680fc92e7ecf99fc3b5b699f6195dd85c22293af233e6f6bf8972895409fc03N.exe	31
PID 2720 wrote to memory of 2912	2720	7680fc92e7ecf99fc3b5b699f6195dd85c22293af233e6f6bf8972895409fc03N.exe	31
PID 2720 wrote to memory of 2912	2720	7680fc92e7ecf99fc3b5b699f6195dd85c22293af233e6f6bf8972895409fc03N.exe	31
PID 2912 wrote to memory of 1196	2912	winver.exe	21
PID 2912 wrote to memory of 1128	2912	winver.exe	19
PID 2912 wrote to memory of 1172	2912	winver.exe	20
PID 2912 wrote to memory of 1196	2912	winver.exe	21
PID 2912 wrote to memory of 1284	2912	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\7680fc92e7ecf99fc3b5b699f6195dd85c22293af233e6f6bf8972895409fc03N.exe
  "C:\Users\Admin\AppData\Local\Temp\7680fc92e7ecf99fc3b5b699f6195dd85c22293af233e6f6bf8972895409fc03N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2720
- - 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:2912

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1284

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/1128-24-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1128-30-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1128-27-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1128-32-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/1128-26-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1172-28-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1172-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1196-21-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1196-9-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1196-33-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1284-23-0x00000000023A0000-0x00000000023A6000-memory.dmp

Filesize
24KB

Download
memory/1284-31-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1284-37-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1284-36-0x00000000023A0000-0x00000000023A6000-memory.dmp

Filesize
24KB

Download
memory/2720-4-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2720-12-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2720-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2720-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2912-5-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2912-8-0x00000000779AF000-0x00000000779B1000-memory.dmp

Filesize
8KB

Download
memory/2912-10-0x00000000777B0000-0x0000000077959000-memory.dmp

Filesize
1.7MB

Download
memory/2912-7-0x00000000779AF000-0x00000000779B0000-memory.dmp

Filesize
4KB

Download
memory/2912-6-0x00000000779B0000-0x00000000779B1000-memory.dmp

Filesize
4KB

Download
memory/2912-25-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download