tinba | 1720c15a576fa6ded968fb798c12cfc9d1c93a0d723bbf420ee89f38f5577430

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 10:34

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General

Target

1720c15a576fa6ded968fb798c12cfc9d1c93a0d723bbf420ee89f38f5577430.exe
Size

45KB
MD5

84679050cb202d120a4abbeec6af4f2d
SHA1

a47196b5fe6af8fc12694f413a298386c42ce1fe
SHA256

1720c15a576fa6ded968fb798c12cfc9d1c93a0d723bbf420ee89f38f5577430
SHA512

d89c18197a6c50f98bfa76628b3644657c5c70e2986c05b3b7391e34815793a47ded5f104f216a0ff0909d4028fdd684281ed1242274429ac5d9b9e1ff29f15d
SSDEEP

768:phP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:zsWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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\8D1C3CE7 = "C:\\Users\\Admin\\AppData\\Roaming\\8D1C3CE7\\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/2600-0-0x0000000000400000-0x000000000041D000-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	1720c15a576fa6ded968fb798c12cfc9d1c93a0d723bbf420ee89f38f5577430.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe
2664	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2664	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2664	2600	1720c15a576fa6ded968fb798c12cfc9d1c93a0d723bbf420ee89f38f5577430.exe	31
PID 2600 wrote to memory of 2664	2600	1720c15a576fa6ded968fb798c12cfc9d1c93a0d723bbf420ee89f38f5577430.exe	31
PID 2600 wrote to memory of 2664	2600	1720c15a576fa6ded968fb798c12cfc9d1c93a0d723bbf420ee89f38f5577430.exe	31
PID 2600 wrote to memory of 2664	2600	1720c15a576fa6ded968fb798c12cfc9d1c93a0d723bbf420ee89f38f5577430.exe	31
PID 2600 wrote to memory of 2664	2600	1720c15a576fa6ded968fb798c12cfc9d1c93a0d723bbf420ee89f38f5577430.exe	31
PID 2664 wrote to memory of 1196	2664	winver.exe	21
PID 2664 wrote to memory of 1100	2664	winver.exe	19
PID 2664 wrote to memory of 1156	2664	winver.exe	20
PID 2664 wrote to memory of 1196	2664	winver.exe	21
PID 2664 wrote to memory of 1292	2664	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\1720c15a576fa6ded968fb798c12cfc9d1c93a0d723bbf420ee89f38f5577430.exe
  "C:\Users\Admin\AppData\Local\Temp\1720c15a576fa6ded968fb798c12cfc9d1c93a0d723bbf420ee89f38f5577430.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2600
- - 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:2664

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1292

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/1100-25-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

Filesize
24KB

Download
memory/1100-26-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1156-20-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1156-28-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1196-31-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1196-22-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1292-24-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/1292-29-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/1292-30-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/2600-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2600-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2600-13-0x0000000001B60000-0x0000000002560000-memory.dmp

Filesize
10.0MB

Download
memory/2600-5-0x0000000001B60000-0x0000000002560000-memory.dmp

Filesize
10.0MB

Download
memory/2600-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2664-7-0x0000000077040000-0x0000000077041000-memory.dmp

Filesize
4KB

Download
memory/2664-27-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2664-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2664-8-0x000000007703F000-0x0000000077040000-memory.dmp

Filesize
4KB

Download
memory/2664-11-0x0000000076E40000-0x0000000076FE9000-memory.dmp

Filesize
1.7MB

Download
memory/2664-9-0x000000007703F000-0x0000000077041000-memory.dmp

Filesize
8KB

Download
memory/2664-36-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download