tinba | c429d9cfc1aec01fe5dd44710bad1b532374a25b8a537bbafca10cbeab4b32d5

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 00:07

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General

Target

c429d9cfc1aec01fe5dd44710bad1b532374a25b8a537bbafca10cbeab4b32d5N.exe
Size

88KB
MD5

55be9691663455182269794004264b80
SHA1

d22bd4685fbfc5af126f9937b6a18f4c922aaeef
SHA256

c429d9cfc1aec01fe5dd44710bad1b532374a25b8a537bbafca10cbeab4b32d5
SHA512

9fd332caa2839293e6eadc9008043d957d39f03c111ea70f56a1b0b3450aaa6eb7f474bc7a11ece6100ba74392a2b53e7fc372886bcf86c8c7a2eaa15bce019e
SSDEEP

1536:0z44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsN:0zvokZR/KM/ysjwqWsN

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\C4BAEB84 = "C:\\Users\\Admin\\AppData\\Roaming\\C4BAEB84\\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	c429d9cfc1aec01fe5dd44710bad1b532374a25b8a537bbafca10cbeab4b32d5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2872	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 2776 wrote to memory of 2872	2776	c429d9cfc1aec01fe5dd44710bad1b532374a25b8a537bbafca10cbeab4b32d5N.exe	31
PID 2776 wrote to memory of 2872	2776	c429d9cfc1aec01fe5dd44710bad1b532374a25b8a537bbafca10cbeab4b32d5N.exe	31
PID 2776 wrote to memory of 2872	2776	c429d9cfc1aec01fe5dd44710bad1b532374a25b8a537bbafca10cbeab4b32d5N.exe	31
PID 2776 wrote to memory of 2872	2776	c429d9cfc1aec01fe5dd44710bad1b532374a25b8a537bbafca10cbeab4b32d5N.exe	31
PID 2776 wrote to memory of 2872	2776	c429d9cfc1aec01fe5dd44710bad1b532374a25b8a537bbafca10cbeab4b32d5N.exe	31
PID 2872 wrote to memory of 1188	2872	winver.exe	21
PID 2872 wrote to memory of 1092	2872	winver.exe	19
PID 2872 wrote to memory of 1160	2872	winver.exe	20
PID 2872 wrote to memory of 1188	2872	winver.exe	21
PID 2872 wrote to memory of 1556	2872	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

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\c429d9cfc1aec01fe5dd44710bad1b532374a25b8a537bbafca10cbeab4b32d5N.exe
  "C:\Users\Admin\AppData\Local\Temp\c429d9cfc1aec01fe5dd44710bad1b532374a25b8a537bbafca10cbeab4b32d5N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2776
- - 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:2872

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1556

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/1092-23-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1092-24-0x0000000077CC1000-0x0000000077CC2000-memory.dmp

Filesize
4KB

Download
memory/1160-27-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1160-18-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1188-9-0x0000000077CC1000-0x0000000077CC2000-memory.dmp

Filesize
4KB

Download
memory/1188-1-0x0000000002B10000-0x0000000002B16000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002B10000-0x0000000002B16000-memory.dmp

Filesize
24KB

Download
memory/1188-29-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002B10000-0x0000000002B16000-memory.dmp

Filesize
24KB

Download
memory/1188-20-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1556-22-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1556-26-0x0000000077CC1000-0x0000000077CC2000-memory.dmp

Filesize
4KB

Download
memory/1556-25-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/2776-12-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2776-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2776-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2776-4-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2872-5-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2872-6-0x0000000077E70000-0x0000000077E71000-memory.dmp

Filesize
4KB

Download
memory/2872-28-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2872-7-0x0000000077E6F000-0x0000000077E70000-memory.dmp

Filesize
4KB

Download
memory/2872-8-0x0000000077E6F000-0x0000000077E71000-memory.dmp

Filesize
8KB

Download
memory/2872-10-0x0000000077C70000-0x0000000077E19000-memory.dmp

Filesize
1.7MB

Download
memory/2872-34-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download