tinba | 816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23/11/2024, 04:05

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General

Target

816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe
Size

45KB
MD5

21d7ffd37e8e9f08cd8d0e2ed9a7a2e0
SHA1

a7874be390b1d4ead395ba4f3ea9ff05a81b9646
SHA256

816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb
SHA512

8b7be069c13fa747b3f28baad56162fff5959c19b4c685b9d000aed1bd0486fa4a88bf5c3132c80f9f5f97bfdbe630672606617a134e6b26215b73295a738d1b
SSDEEP

768:YhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:ksWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\30EB9147 = "C:\\Users\\Admin\\AppData\\Roaming\\30EB9147\\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/2476-0-0x0000000000400000-0x000000000041D000-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	816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2584	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 2584	2476	816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe	31
PID 2476 wrote to memory of 2584	2476	816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe	31
PID 2476 wrote to memory of 2584	2476	816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe	31
PID 2476 wrote to memory of 2584	2476	816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe	31
PID 2476 wrote to memory of 2584	2476	816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe	31
PID 2584 wrote to memory of 1204	2584	winver.exe	21
PID 2584 wrote to memory of 1104	2584	winver.exe	19
PID 2584 wrote to memory of 1168	2584	winver.exe	20
PID 2584 wrote to memory of 1204	2584	winver.exe	21
PID 2584 wrote to memory of 1628	2584	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe
  "C:\Users\Admin\AppData\Local\Temp\816aa99ffbe9780b4d0a29518d706b0c898d97a56f32779a90ce609a43cdc2bb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2476
- - 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:2584

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1628

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/1104-27-0x00000000773D1000-0x00000000773D2000-memory.dmp

Filesize
4KB

Download
memory/1104-26-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1168-21-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1204-29-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002940000-0x0000000002946000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x00000000773D1000-0x00000000773D2000-memory.dmp

Filesize
4KB

Download
memory/1204-3-0x0000000002940000-0x0000000002946000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002940000-0x0000000002946000-memory.dmp

Filesize
24KB

Download
memory/1204-23-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/1628-25-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/1628-30-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/1628-31-0x00000000773D1000-0x00000000773D2000-memory.dmp

Filesize
4KB

Download
memory/2476-13-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2476-14-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2476-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2476-5-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/2476-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2584-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2584-7-0x0000000077580000-0x0000000077581000-memory.dmp

Filesize
4KB

Download
memory/2584-8-0x000000007757F000-0x0000000077580000-memory.dmp

Filesize
4KB

Download
memory/2584-9-0x000000007757F000-0x0000000077581000-memory.dmp

Filesize
8KB

Download
memory/2584-11-0x0000000077380000-0x0000000077529000-memory.dmp

Filesize
1.7MB

Download
memory/2584-32-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download