tinba | a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e

Analysis

max time kernel
118s
max time network
115s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-11-2024 23:47

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General

Target

a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe
Size

45KB
MD5

88a45f1c930af04c295f7a89f8983fe5
SHA1

e25fc8b1d8a1880d3f194df90646c9032f2d76ab
SHA256

a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e
SHA512

e1e6e83ecc04a2963107b5679f0cdc03a0f808da15b3320e09e63b8088c71dcec16636b22e6af58215e0addf376f2001cd77ff29386fae05d73b82f5c84a9915
SSDEEP

768:NhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:vsWE9N5dFu53dsniQaB/xZ14n7zIF+qj

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\E68A7080 = "C:\\Users\\Admin\\AppData\\Roaming\\E68A7080\\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/1480-0-0x0000000000400000-0x000000000041D000-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	a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3060	winver.exe
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 3060	1480	a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe	31
PID 1480 wrote to memory of 3060	1480	a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe	31
PID 1480 wrote to memory of 3060	1480	a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe	31
PID 1480 wrote to memory of 3060	1480	a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe	31
PID 1480 wrote to memory of 3060	1480	a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe	31
PID 3060 wrote to memory of 1248	3060	winver.exe	21
PID 3060 wrote to memory of 1100	3060	winver.exe	19
PID 3060 wrote to memory of 1160	3060	winver.exe	20
PID 3060 wrote to memory of 1248	3060	winver.exe	21
PID 3060 wrote to memory of 800	3060	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

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:1248
- C:\Users\Admin\AppData\Local\Temp\a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe
  "C:\Users\Admin\AppData\Local\Temp\a3543a25e839c4b2ef7fa68f923c174aa73f79cbdcafc701bfd9577ed20fbc9e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1480
- - 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:3060

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:800

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/800-24-0x0000000001BF0000-0x0000000001BF6000-memory.dmp

Filesize
24KB

Download
memory/800-29-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/800-28-0x0000000001BF0000-0x0000000001BF6000-memory.dmp

Filesize
24KB

Download
memory/1100-26-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1100-25-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1160-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1248-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1248-4-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1248-10-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1248-27-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1248-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1248-22-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1480-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1480-13-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/1480-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1480-5-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/1480-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3060-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/3060-7-0x0000000077400000-0x0000000077401000-memory.dmp

Filesize
4KB

Download
memory/3060-8-0x00000000773FF000-0x0000000077400000-memory.dmp

Filesize
4KB

Download
memory/3060-11-0x0000000077200000-0x00000000773A9000-memory.dmp

Filesize
1.7MB

Download
memory/3060-9-0x00000000773FF000-0x0000000077401000-memory.dmp

Filesize
8KB

Download
memory/3060-31-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download