tinba | 22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 21:02

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General

Target

22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe
Size

88KB
MD5

9cdc3e0ca8910db0ef3165be520aa3d2
SHA1

8f5f85052520cd5d50c1208833977262f0fd7be4
SHA256

22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a
SHA512

afb4a89ecdabc36671d81c203d54639818a2dd80f11493d7c99d2a091a4f2e59e366a6cf953e2cdd1e8dfe96c8c0772aa3fc0e79bdca03b0e121b6c353e81e39
SSDEEP

1536:r5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:r5fvp12UFKcD/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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\9BD55BE0 = "C:\\Users\\Admin\\AppData\\Roaming\\9BD55BE0\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe
2104	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2104	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2104	2584	22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe	31
PID 2584 wrote to memory of 2104	2584	22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe	31
PID 2584 wrote to memory of 2104	2584	22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe	31
PID 2584 wrote to memory of 2104	2584	22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe	31
PID 2584 wrote to memory of 2104	2584	22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe	31
PID 2104 wrote to memory of 1284	2104	winver.exe	21
PID 2104 wrote to memory of 1116	2104	winver.exe	19
PID 2104 wrote to memory of 1188	2104	winver.exe	20
PID 2104 wrote to memory of 1284	2104	winver.exe	21
PID 2104 wrote to memory of 916	2104	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:1188

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1284
- C:\Users\Admin\AppData\Local\Temp\22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe
  "C:\Users\Admin\AppData\Local\Temp\22b1e2dcb2a4e87f0516fd420bfa3f12deab578b05d9b9475d103d61a3d0047a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2584
- - 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:2104

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:916

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/916-29-0x0000000077C11000-0x0000000077C12000-memory.dmp

Filesize
4KB

Download
memory/916-30-0x0000000077C11000-0x0000000077C12000-memory.dmp

Filesize
4KB

Download
memory/916-25-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/916-34-0x0000000077C11000-0x0000000077C12000-memory.dmp

Filesize
4KB

Download
memory/916-33-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/1116-31-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1116-26-0x0000000077C11000-0x0000000077C12000-memory.dmp

Filesize
4KB

Download
memory/1116-27-0x0000000077C11000-0x0000000077C12000-memory.dmp

Filesize
4KB

Download
memory/1188-38-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1188-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1188-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1284-32-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1284-9-0x0000000077C11000-0x0000000077C12000-memory.dmp

Filesize
4KB

Download
memory/1284-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1284-22-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1284-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1284-1-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/2104-8-0x0000000077DBF000-0x0000000077DC1000-memory.dmp

Filesize
8KB

Download
memory/2104-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2104-6-0x0000000077DC0000-0x0000000077DC1000-memory.dmp

Filesize
4KB

Download
memory/2104-10-0x0000000077BC0000-0x0000000077D69000-memory.dmp

Filesize
1.7MB

Download
memory/2104-7-0x0000000077DBF000-0x0000000077DC0000-memory.dmp

Filesize
4KB

Download
memory/2104-35-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2584-12-0x0000000001B80000-0x0000000002580000-memory.dmp

Filesize
10.0MB

Download
memory/2584-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2584-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2584-4-0x0000000001B80000-0x0000000002580000-memory.dmp

Filesize
10.0MB

Download