tinba | 3b2293df670e80521cb66d5049cd1544270c62364d46c5d35bde6c0f1b59e780

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 01:20

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General

Target

3b2293df670e80521cb66d5049cd1544270c62364d46c5d35bde6c0f1b59e780N.exe
Size

88KB
MD5

d667971b686d2852439a03a71e631060
SHA1

77972fe58a9444061ad464c840cd231b634e1c94
SHA256

3b2293df670e80521cb66d5049cd1544270c62364d46c5d35bde6c0f1b59e780
SHA512

cb16d5d59ac70dcb620a8262c9ba40fb89903afbff9f47d592d1fb6743eeb76947315c14dc6e68b5d8023fd07c799f020782147dc494b6674bafa10f3b0f92b0
SSDEEP

1536:25nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:25fvp12UFKcD/6jwqWsNI

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\02231E84 = "C:\\Users\\Admin\\AppData\\Roaming\\02231E84\\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	3b2293df670e80521cb66d5049cd1544270c62364d46c5d35bde6c0f1b59e780N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2888	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 2888	1484	3b2293df670e80521cb66d5049cd1544270c62364d46c5d35bde6c0f1b59e780N.exe	32
PID 1484 wrote to memory of 2888	1484	3b2293df670e80521cb66d5049cd1544270c62364d46c5d35bde6c0f1b59e780N.exe	32
PID 1484 wrote to memory of 2888	1484	3b2293df670e80521cb66d5049cd1544270c62364d46c5d35bde6c0f1b59e780N.exe	32
PID 1484 wrote to memory of 2888	1484	3b2293df670e80521cb66d5049cd1544270c62364d46c5d35bde6c0f1b59e780N.exe	32
PID 1484 wrote to memory of 2888	1484	3b2293df670e80521cb66d5049cd1544270c62364d46c5d35bde6c0f1b59e780N.exe	32
PID 2888 wrote to memory of 1216	2888	winver.exe	21
PID 2888 wrote to memory of 1108	2888	winver.exe	19
PID 2888 wrote to memory of 1176	2888	winver.exe	20
PID 2888 wrote to memory of 1216	2888	winver.exe	21
PID 2888 wrote to memory of 2016	2888	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\3b2293df670e80521cb66d5049cd1544270c62364d46c5d35bde6c0f1b59e780N.exe
  "C:\Users\Admin\AppData\Local\Temp\3b2293df670e80521cb66d5049cd1544270c62364d46c5d35bde6c0f1b59e780N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1484
- - 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:2888

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2016

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/1108-23-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1108-24-0x0000000077781000-0x0000000077782000-memory.dmp

Filesize
4KB

Download
memory/1176-18-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1176-27-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1216-1-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1216-20-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1216-9-0x0000000077781000-0x0000000077782000-memory.dmp

Filesize
4KB

Download
memory/1216-25-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1484-12-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/1484-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1484-4-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/1484-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2016-28-0x0000000077781000-0x0000000077782000-memory.dmp

Filesize
4KB

Download
memory/2016-22-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/2016-29-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/2888-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2888-7-0x000000007792F000-0x0000000077930000-memory.dmp

Filesize
4KB

Download
memory/2888-26-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2888-8-0x000000007792F000-0x0000000077931000-memory.dmp

Filesize
8KB

Download
memory/2888-6-0x0000000077930000-0x0000000077931000-memory.dmp

Filesize
4KB

Download
memory/2888-10-0x0000000077730000-0x00000000778D9000-memory.dmp

Filesize
1.7MB

Download
memory/2888-34-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download