tinba | b8fc55e5a5df539b19ebc778c55d2a16cc4115d7da7b8f0c0ff985aca64d902b

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
31/08/2024, 01:28

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General

Target

ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe
Size

52KB
MD5

5677387e86650ea25137cb5bce341349
SHA1

bf3e5583fb2b052a3ca9d9fd53e75c6bab6942d2
SHA256

ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d
SHA512

d0e079e0eef54a32a408e47131633f3b82a3d119fe261c71749f38b1f39188e3d0965da37caa5e9850a0791a8bafdefed566a2c3cbd17c26eeb8f92cdbd9de86
SSDEEP

768:yCCCFlkbwAYbFshpyiB9L9Mx2BWseUCHGAwk5R9J:6bw/6plBTFBYNNR9J

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

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\95CD19C5 = "C:\\Users\\Admin\\AppData\\Roaming\\95CD19C5\\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	ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe
2904	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2904	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2904	2604	ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe	31
PID 2604 wrote to memory of 2904	2604	ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe	31
PID 2604 wrote to memory of 2904	2604	ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe	31
PID 2604 wrote to memory of 2904	2604	ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe	31
PID 2604 wrote to memory of 2904	2604	ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe	31
PID 2904 wrote to memory of 1204	2904	winver.exe	21
PID 2904 wrote to memory of 1116	2904	winver.exe	19
PID 2904 wrote to memory of 1164	2904	winver.exe	20
PID 2904 wrote to memory of 1204	2904	winver.exe	21
PID 2904 wrote to memory of 324	2904	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe
  "C:\Users\Admin\AppData\Local\Temp\ee5c2e89a5f9513f960c2253cd2fd2ce6a4f8c4db55d5daf0d0e5cc93b3b020d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2604
- - 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:2904

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:324

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/324-23-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/324-25-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/324-26-0x00000000778C1000-0x00000000778C2000-memory.dmp

Filesize
4KB

Download
memory/1116-27-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/1116-28-0x00000000778C1000-0x00000000778C2000-memory.dmp

Filesize
4KB

Download
memory/1164-30-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1164-18-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1204-9-0x00000000778C1000-0x00000000778C2000-memory.dmp

Filesize
4KB

Download
memory/1204-20-0x0000000002B70000-0x0000000002B76000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1204-1-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1204-24-0x0000000002B70000-0x0000000002B76000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/2604-4-0x0000000001EA0000-0x00000000028A0000-memory.dmp

Filesize
10.0MB

Download
memory/2604-12-0x0000000001EA0000-0x00000000028A0000-memory.dmp

Filesize
10.0MB

Download
memory/2604-11-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2604-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2904-10-0x0000000077870000-0x0000000077A19000-memory.dmp

Filesize
1.7MB

Download
memory/2904-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2904-5-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2904-6-0x0000000077A70000-0x0000000077A71000-memory.dmp

Filesize
4KB

Download
memory/2904-7-0x0000000077A6F000-0x0000000077A70000-memory.dmp

Filesize
4KB

Download
memory/2904-8-0x0000000077A6F000-0x0000000077A71000-memory.dmp

Filesize
8KB

Download