tinba | bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 06:13

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General

Target

bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe
Size

59KB
MD5

cb2f96b6b27fcc29ab32d1ea49fcb680
SHA1

f0fe80f297728e920e086b949edd9d62e57db69e
SHA256

bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091
SHA512

907974aebaf2dcccf0bf7679c44e8ee94b80a310785bec153e08f26f36a0e96a764514e69f8762390dcbfde8d9fec01aab1ad0c34a1017031a399c099e63dc3f
SSDEEP

768:n+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:n+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\574D55DD = "C:\\Users\\Admin\\AppData\\Roaming\\574D55DD\\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	bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe
704	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
704	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 320 wrote to memory of 704	320	bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe	30
PID 320 wrote to memory of 704	320	bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe	30
PID 320 wrote to memory of 704	320	bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe	30
PID 320 wrote to memory of 704	320	bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe	30
PID 320 wrote to memory of 704	320	bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe	30
PID 704 wrote to memory of 1212	704	winver.exe	20
PID 704 wrote to memory of 1120	704	winver.exe	18
PID 704 wrote to memory of 1176	704	winver.exe	19
PID 704 wrote to memory of 1212	704	winver.exe	20
PID 704 wrote to memory of 1244	704	winver.exe	24

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe
  "C:\Users\Admin\AppData\Local\Temp\bbff0632a530254c997da6e16742798bacd7e427e9c2698685c084ef75f3f091N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:320
- - 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:704

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1244

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/320-4-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/320-12-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/320-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/320-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/704-5-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/704-8-0x0000000076F8F000-0x0000000076F91000-memory.dmp

Filesize
8KB

Download
memory/704-7-0x0000000076F8F000-0x0000000076F90000-memory.dmp

Filesize
4KB

Download
memory/704-6-0x0000000076F90000-0x0000000076F91000-memory.dmp

Filesize
4KB

Download
memory/704-10-0x0000000076D90000-0x0000000076F39000-memory.dmp

Filesize
1.7MB

Download
memory/704-29-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1120-24-0x0000000076DE1000-0x0000000076DE2000-memory.dmp

Filesize
4KB

Download
memory/1120-23-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1176-18-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1212-9-0x0000000076DE1000-0x0000000076DE2000-memory.dmp

Filesize
4KB

Download
memory/1212-20-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1212-25-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1244-27-0x0000000076DE1000-0x0000000076DE2000-memory.dmp

Filesize
4KB

Download
memory/1244-26-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/1244-22-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download