tinba | d7ea9d806f24cef0ae0afb72a64e619bb7f154ad50761d6b67383d402ea4ea6a

Analysis

max time kernel
119s
max time network
116s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
14/07/2024, 22:51

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General

Target

37412830828721dff1adbbf0c8378760N.exe
Size

45KB
MD5

37412830828721dff1adbbf0c8378760
SHA1

918305db60615ce65257afb489833c96c31b11e2
SHA256

d7ea9d806f24cef0ae0afb72a64e619bb7f154ad50761d6b67383d402ea4ea6a
SHA512

9bb028eea9f15d56a9640cd160105954d9d12ce06d2a288a5555c053e788a9c19f88a0bee7a0b429db506ec71abf3cc25a83ad9f100dc17a5778319132dfd7ac
SSDEEP

768:RhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:rsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

Score

10^/10

tinba banker persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1984-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\63E13AC8 = "C:\\Users\\Admin\\AppData\\Roaming\\63E13AC8\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe
348	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
348	winver.exe
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 348	1984	37412830828721dff1adbbf0c8378760N.exe	32
PID 1984 wrote to memory of 348	1984	37412830828721dff1adbbf0c8378760N.exe	32
PID 1984 wrote to memory of 348	1984	37412830828721dff1adbbf0c8378760N.exe	32
PID 1984 wrote to memory of 348	1984	37412830828721dff1adbbf0c8378760N.exe	32
PID 1984 wrote to memory of 348	1984	37412830828721dff1adbbf0c8378760N.exe	32
PID 348 wrote to memory of 1200	348	winver.exe	21
PID 348 wrote to memory of 1112	348	winver.exe	19
PID 348 wrote to memory of 1160	348	winver.exe	20
PID 348 wrote to memory of 1200	348	winver.exe	21
PID 348 wrote to memory of 2044	348	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1200
- C:\Users\Admin\AppData\Local\Temp\37412830828721dff1adbbf0c8378760N.exe
  "C:\Users\Admin\AppData\Local\Temp\37412830828721dff1adbbf0c8378760N.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:348

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2044

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/348-11-0x0000000076EA0000-0x0000000077049000-memory.dmp

Filesize
1.7MB

Download
memory/348-36-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/348-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/348-7-0x00000000770A0000-0x00000000770A1000-memory.dmp

Filesize
4KB

Download
memory/348-8-0x000000007709F000-0x00000000770A0000-memory.dmp

Filesize
4KB

Download
memory/348-9-0x000000007709F000-0x00000000770A1000-memory.dmp

Filesize
8KB

Download
memory/1112-27-0x0000000076EF1000-0x0000000076EF2000-memory.dmp

Filesize
4KB

Download
memory/1112-26-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1160-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-23-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1200-28-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000076EF1000-0x0000000076EF2000-memory.dmp

Filesize
4KB

Download
memory/1984-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/1984-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1984-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/1984-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1984-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2044-25-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/2044-30-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/2044-31-0x0000000076EF1000-0x0000000076EF2000-memory.dmp

Filesize
4KB

Download