tinba | a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 04:17

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General

Target

a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe
Size

45KB
MD5

8a3207c4e8e5295d1c8077ac3c3dc5d0
SHA1

458937cda6dbf7b38d5b8b04478e7ede9f9653cd
SHA256

a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67
SHA512

8b0a59f3a652ccb2e5620dac34991a316488555f855615b4acd986f3cbadc8b6675c99fb285f56426badc7fa928065cbc031fb0eb432dee639a3b10aef640720
SSDEEP

768:VhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ21:HsWE9N5dFu53dsniQaB/xZ14n7zIF+qZ

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\39C3F784 = "C:\\Users\\Admin\\AppData\\Roaming\\39C3F784\\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/3068-0-0x0000000000400000-0x000000000041D000-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	a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2296	winver.exe
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2296	3068	a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe	31
PID 3068 wrote to memory of 2296	3068	a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe	31
PID 3068 wrote to memory of 2296	3068	a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe	31
PID 3068 wrote to memory of 2296	3068	a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe	31
PID 3068 wrote to memory of 2296	3068	a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe	31
PID 2296 wrote to memory of 1212	2296	winver.exe	21
PID 2296 wrote to memory of 1124	2296	winver.exe	19
PID 2296 wrote to memory of 1176	2296	winver.exe	20
PID 2296 wrote to memory of 1212	2296	winver.exe	21
PID 2296 wrote to memory of 828	2296	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1212
- C:\Users\Admin\AppData\Local\Temp\a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe
  "C:\Users\Admin\AppData\Local\Temp\a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3068
- - 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:2296

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:828

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/828-28-0x0000000077A51000-0x0000000077A52000-memory.dmp

Filesize
4KB

Download
memory/828-31-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/828-27-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/828-32-0x0000000077A51000-0x0000000077A52000-memory.dmp

Filesize
4KB

Download
memory/1124-23-0x0000000077A51000-0x0000000077A52000-memory.dmp

Filesize
4KB

Download
memory/1124-29-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1124-24-0x0000000077A51000-0x0000000077A52000-memory.dmp

Filesize
4KB

Download
memory/1176-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-33-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1212-22-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077A51000-0x0000000077A52000-memory.dmp

Filesize
4KB

Download
memory/1212-3-0x0000000002B60000-0x0000000002B66000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002B60000-0x0000000002B66000-memory.dmp

Filesize
24KB

Download
memory/1212-30-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002B60000-0x0000000002B66000-memory.dmp

Filesize
24KB

Download
memory/2296-11-0x0000000077A00000-0x0000000077BA9000-memory.dmp

Filesize
1.7MB

Download
memory/2296-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2296-7-0x0000000077C00000-0x0000000077C01000-memory.dmp

Filesize
4KB

Download
memory/2296-8-0x0000000077BFF000-0x0000000077C00000-memory.dmp

Filesize
4KB

Download
memory/2296-9-0x0000000077BFF000-0x0000000077C01000-memory.dmp

Filesize
8KB

Download
memory/2296-34-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3068-13-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/3068-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3068-5-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/3068-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3068-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download