tinba | 948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995

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
23-11-2024 04:22

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General

Target

948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe
Size

45KB
MD5

6cbbacd7f7a726d875e5b222d9732f7c
SHA1

15bc043ced8263788bc0ac163921c0513f1eb1b8
SHA256

948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995
SHA512

4147ebd9d58b262eaaf7c7d067e02a37f565024c49ec48e1e133d6366d05884a0449576764d61a5580d533eff50460ec546e1272c420b61064ef933c2970616f
SSDEEP

768:ehP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:ysWE9N5dFu53dsniQaB/xZ14n7zIF+qj

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\83B9E7E3 = "C:\\Users\\Admin\\AppData\\Roaming\\83B9E7E3\\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/3048-0-0x0000000000400000-0x000000000041D000-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	948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe
1548	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1548	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 1548	3048	948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe	31
PID 3048 wrote to memory of 1548	3048	948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe	31
PID 3048 wrote to memory of 1548	3048	948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe	31
PID 3048 wrote to memory of 1548	3048	948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe	31
PID 3048 wrote to memory of 1548	3048	948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe	31
PID 1548 wrote to memory of 1076	1548	winver.exe	18
PID 1548 wrote to memory of 1044	1548	winver.exe	17
PID 1548 wrote to memory of 1076	1548	winver.exe	18
PID 1548 wrote to memory of 1112	1548	winver.exe	20
PID 1548 wrote to memory of 2020	1548	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1076
- C:\Users\Admin\AppData\Local\Temp\948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe
  "C:\Users\Admin\AppData\Local\Temp\948f3f720f88210501a5a46190c6c53f0fb8a87e8aafba2824226def486b1995.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3048
- - 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:1548

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2020

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/1044-32-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1044-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1076-10-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1076-4-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1076-2-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1076-29-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1076-3-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1076-20-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1112-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1112-33-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1548-11-0x0000000077470000-0x0000000077619000-memory.dmp

Filesize
1.7MB

Download
memory/1548-9-0x000000007766F000-0x0000000077671000-memory.dmp

Filesize
8KB

Download
memory/1548-34-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/1548-7-0x0000000077670000-0x0000000077671000-memory.dmp

Filesize
4KB

Download
memory/1548-8-0x000000007766F000-0x0000000077670000-memory.dmp

Filesize
4KB

Download
memory/1548-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2020-28-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/2020-38-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/2020-30-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/2020-27-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/2020-26-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/3048-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3048-5-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/3048-13-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/3048-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3048-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download