tinba | 46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772

Analysis

max time kernel
119s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 09:27

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General

Target

46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe
Size

110KB
MD5

abc95ccabbc5b8c32c9932022fead9f0
SHA1

563db8fb8b1d8ff32e3da5a38eb00e16c567cd0d
SHA256

46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772
SHA512

d59009310602925ce175a611f594bebd3f0ea6d0b04ed56eceff466428fa0312aca8ee4e245c806e6d9a5b6d2329c31e87d9ee4d6205afcf09cb7b44fe28e309
SSDEEP

1536:OiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:OiyvRmDLs/ZrwWJjAqGcRJ2hg

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\68757B38 = "C:\\Users\\Admin\\AppData\\Roaming\\68757B38\\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/2016-0-0x0000000000400000-0x000000000041E000-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	46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 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

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	46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe	32
PID 2016 wrote to memory of 1440	2016	46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe	32
PID 2016 wrote to memory of 1440	2016	46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe	32
PID 2016 wrote to memory of 1440	2016	46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe	32
PID 2016 wrote to memory of 1440	2016	46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.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\46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe
  "C:\Users\Admin\AppData\Local\Temp\46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.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/1120-24-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1120-25-0x0000000077811000-0x0000000077812000-memory.dmp

Filesize
4KB

Download
memory/1168-27-0x0000000077811000-0x0000000077812000-memory.dmp

Filesize
4KB

Download
memory/1168-35-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1168-19-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1168-29-0x0000000077811000-0x0000000077812000-memory.dmp

Filesize
4KB

Download
memory/1212-26-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1212-21-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

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

Filesize
4KB

Download
memory/1440-30-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1440-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

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

Filesize
8KB

Download
memory/1440-37-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

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

Filesize
4KB

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

Filesize
1.7MB

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

Filesize
4KB

Download
memory/1540-32-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1540-23-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

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

Filesize
4KB

Download
memory/2016-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2016-5-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2016-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2016-13-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

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

Filesize
4KB

Download