tinba | c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 23:25

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General

Target

c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe
Size

45KB
MD5

6db88637f981dab343fe6647552fd7fb
SHA1

740d1972d3feb39332a4eac7314f6c88ef9edc85
SHA256

c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d
SHA512

4c11525c290d40b123fae17912939600391259616072728f6a8bd5f23ac7496a97cd1667f3c2aec1c9611ca7d58ccab6a14ad4ca46a6e092f77f44e2dd49f6fa
SSDEEP

768:LhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:tsWE9N5dFu53dsniQaB/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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\90873773 = "C:\\Users\\Admin\\AppData\\Roaming\\90873773\\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/1600-0-0x0000000000400000-0x000000000041D000-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	c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2724	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 2724	1600	c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe	31
PID 1600 wrote to memory of 2724	1600	c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe	31
PID 1600 wrote to memory of 2724	1600	c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe	31
PID 1600 wrote to memory of 2724	1600	c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe	31
PID 1600 wrote to memory of 2724	1600	c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe	31
PID 2724 wrote to memory of 1268	2724	winver.exe	21
PID 2724 wrote to memory of 1116	2724	winver.exe	19
PID 2724 wrote to memory of 1176	2724	winver.exe	20
PID 2724 wrote to memory of 1268	2724	winver.exe	21
PID 2724 wrote to memory of 1312	2724	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1268
- C:\Users\Admin\AppData\Local\Temp\c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe
  "C:\Users\Admin\AppData\Local\Temp\c7cf58ef42fc31210517c4b741c3556fafd4421f981f9aa657092adc32509a9d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1600
- - 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:2724

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1312

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/1116-21-0x0000000076D61000-0x0000000076D62000-memory.dmp

Filesize
4KB

Download
memory/1116-37-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1116-23-0x0000000076D61000-0x0000000076D62000-memory.dmp

Filesize
4KB

Download
memory/1116-22-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1176-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-24-0x0000000076D61000-0x0000000076D62000-memory.dmp

Filesize
4KB

Download
memory/1176-32-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1268-2-0x0000000002B80000-0x0000000002B86000-memory.dmp

Filesize
24KB

Download
memory/1268-31-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1268-10-0x0000000076D61000-0x0000000076D62000-memory.dmp

Filesize
4KB

Download
memory/1268-27-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1268-3-0x0000000002B80000-0x0000000002B86000-memory.dmp

Filesize
24KB

Download
memory/1268-4-0x0000000002B80000-0x0000000002B86000-memory.dmp

Filesize
24KB

Download
memory/1312-30-0x0000000076D61000-0x0000000076D62000-memory.dmp

Filesize
4KB

Download
memory/1312-33-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1312-29-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1600-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1600-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/1600-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1600-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/1600-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2724-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2724-7-0x0000000076F10000-0x0000000076F11000-memory.dmp

Filesize
4KB

Download
memory/2724-8-0x0000000076F0F000-0x0000000076F10000-memory.dmp

Filesize
4KB

Download
memory/2724-9-0x0000000076F0F000-0x0000000076F11000-memory.dmp

Filesize
8KB

Download
memory/2724-11-0x0000000076D10000-0x0000000076EB9000-memory.dmp

Filesize
1.7MB

Download
memory/2724-34-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download