tinba | d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06/10/2024, 16:14

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General

Target

d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe
Size

45KB
MD5

93683fce3fd51423368161a68defda40
SHA1

02c91599a680b79750700926c1f415f2bb53caa7
SHA256

d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1
SHA512

bb31bf91a14ea333fb4154aa4f91278af357ed5919ad1ab25d7618fc1a0729ce7ace7164a2d496968b489a8e3981ffe8c39d18a89771c61627c0be8071865ba1
SSDEEP

768:EhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:osWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\CCC2AC7C = "C:\\Users\\Admin\\AppData\\Roaming\\CCC2AC7C\\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/2300-0-0x0000000000400000-0x000000000041D000-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	d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe
2372	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2372	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2372	2300	d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe	31
PID 2300 wrote to memory of 2372	2300	d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe	31
PID 2300 wrote to memory of 2372	2300	d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe	31
PID 2300 wrote to memory of 2372	2300	d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe	31
PID 2300 wrote to memory of 2372	2300	d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe	31
PID 2372 wrote to memory of 1396	2372	winver.exe	21
PID 2372 wrote to memory of 1244	2372	winver.exe	19
PID 2372 wrote to memory of 1340	2372	winver.exe	20
PID 2372 wrote to memory of 1396	2372	winver.exe	21
PID 2372 wrote to memory of 1188	2372	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1244

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1340

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1396
- C:\Users\Admin\AppData\Local\Temp\d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe
  "C:\Users\Admin\AppData\Local\Temp\d4615bcc8383f427bc44a48053ec15ed74d89cbf96fa8325a73aee7329f6b2f1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2300
- - 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:2372

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1188

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/1188-29-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1188-26-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1188-30-0x0000000076FB1000-0x0000000076FB2000-memory.dmp

Filesize
4KB

Download
memory/1244-33-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/1244-19-0x0000000076FB1000-0x0000000076FB2000-memory.dmp

Filesize
4KB

Download
memory/1244-18-0x00000000020E0000-0x00000000020E6000-memory.dmp

Filesize
24KB

Download
memory/1244-27-0x0000000076FB1000-0x0000000076FB2000-memory.dmp

Filesize
4KB

Download
memory/1340-28-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1340-22-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1396-10-0x0000000076FB1000-0x0000000076FB2000-memory.dmp

Filesize
4KB

Download
memory/1396-24-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1396-31-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1396-4-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1396-2-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1396-3-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/2300-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2300-13-0x0000000001E50000-0x0000000002850000-memory.dmp

Filesize
10.0MB

Download
memory/2300-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2300-5-0x0000000001E50000-0x0000000002850000-memory.dmp

Filesize
10.0MB

Download
memory/2300-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2372-6-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2372-7-0x0000000077160000-0x0000000077161000-memory.dmp

Filesize
4KB

Download
memory/2372-8-0x000000007715F000-0x0000000077160000-memory.dmp

Filesize
4KB

Download
memory/2372-9-0x000000007715F000-0x0000000077161000-memory.dmp

Filesize
8KB

Download
memory/2372-11-0x0000000076F60000-0x0000000077109000-memory.dmp

Filesize
1.7MB

Download
memory/2372-32-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2372-37-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download