tinba | b2e10ce24d6c0991d24c55573a5ec336622cb051c6beeaade542e0e9734eb67f

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 18:22

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General

Target

b2e10ce24d6c0991d24c55573a5ec336622cb051c6beeaade542e0e9734eb67f.exe
Size

45KB
MD5

1cc799f36adf68aa9801b5782d210a16
SHA1

b67a5effcc0ef0b65b8d2dc7d99f1e988cbb44a5
SHA256

b2e10ce24d6c0991d24c55573a5ec336622cb051c6beeaade542e0e9734eb67f
SHA512

1fdfd90f4db92fccd4490431c1db052896fe1871801a3399fd7774cd251fa726f9f4ab693d8b1d9112b500fdc99fc30eab2f8ce2c1fc5d099a54cb16c71a0239
SSDEEP

768:6hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2d:2sWE9N5dFu53dsniQaB/xZ14n7zIF+qh

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\DEBE235D = "C:\\Users\\Admin\\AppData\\Roaming\\DEBE235D\\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/2016-0-0x0000000000400000-0x000000000041D000-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	b2e10ce24d6c0991d24c55573a5ec336622cb051c6beeaade542e0e9734eb67f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe
1440	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1440	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 1440	2016	b2e10ce24d6c0991d24c55573a5ec336622cb051c6beeaade542e0e9734eb67f.exe	32
PID 2016 wrote to memory of 1440	2016	b2e10ce24d6c0991d24c55573a5ec336622cb051c6beeaade542e0e9734eb67f.exe	32
PID 2016 wrote to memory of 1440	2016	b2e10ce24d6c0991d24c55573a5ec336622cb051c6beeaade542e0e9734eb67f.exe	32
PID 2016 wrote to memory of 1440	2016	b2e10ce24d6c0991d24c55573a5ec336622cb051c6beeaade542e0e9734eb67f.exe	32
PID 2016 wrote to memory of 1440	2016	b2e10ce24d6c0991d24c55573a5ec336622cb051c6beeaade542e0e9734eb67f.exe	32
PID 1440 wrote to memory of 1212	1440	winver.exe	21
PID 1440 wrote to memory of 1120	1440	winver.exe	19
PID 1440 wrote to memory of 1168	1440	winver.exe	20
PID 1440 wrote to memory of 1212	1440	winver.exe	21
PID 1440 wrote to memory of 1540	1440	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\b2e10ce24d6c0991d24c55573a5ec336622cb051c6beeaade542e0e9734eb67f.exe
  "C:\Users\Admin\AppData\Local\Temp\b2e10ce24d6c0991d24c55573a5ec336622cb051c6beeaade542e0e9734eb67f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2016
- - 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:1440

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1540

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/1120-26-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1120-18-0x0000000077811000-0x0000000077812000-memory.dmp

Filesize
4KB

Download
memory/1120-27-0x0000000077811000-0x0000000077812000-memory.dmp

Filesize
4KB

Download
memory/1168-28-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1168-34-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1168-30-0x0000000077811000-0x0000000077812000-memory.dmp

Filesize
4KB

Download
memory/1168-21-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1212-23-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077811000-0x0000000077812000-memory.dmp

Filesize
4KB

Download
memory/1212-4-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1212-29-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1440-11-0x00000000777C0000-0x0000000077969000-memory.dmp

Filesize
1.7MB

Download
memory/1440-9-0x00000000779BF000-0x00000000779C1000-memory.dmp

Filesize
8KB

Download
memory/1440-32-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1440-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1440-7-0x00000000779C0000-0x00000000779C1000-memory.dmp

Filesize
4KB

Download
memory/1440-8-0x00000000779BF000-0x00000000779C0000-memory.dmp

Filesize
4KB

Download
memory/1540-31-0x0000000077811000-0x0000000077812000-memory.dmp

Filesize
4KB

Download
memory/1540-25-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1540-33-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2016-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2016-5-0x0000000001F10000-0x0000000002910000-memory.dmp

Filesize
10.0MB

Download
memory/2016-13-0x0000000001F10000-0x0000000002910000-memory.dmp

Filesize
10.0MB

Download
memory/2016-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2016-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download