tinba | c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 10:59

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General

Target

c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe
Size

160KB
MD5

0616f8e3baf073dd7859914536344049
SHA1

86826339a495c12c267761f4991eae5ae946fa61
SHA256

c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18
SHA512

e10c2fd3633b97ab0e928c87f9a4be773f168bf79f09e9fc53f17e3720ab98cf305ce7981ecba6e493c55df87692a6b32d800db4a38fcf92eab240b5df5f442f
SSDEEP

1536:gEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xphM:TY+4MiIkLZJNAQ9J6v+

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\925FBD86 = "C:\\Users\\Admin\\AppData\\Roaming\\925FBD86\\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/2828-0-0x0000000000400000-0x0000000000428000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe
2720	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2720	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2720	2828	c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe	31
PID 2828 wrote to memory of 2720	2828	c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe	31
PID 2828 wrote to memory of 2720	2828	c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe	31
PID 2828 wrote to memory of 2720	2828	c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe	31
PID 2828 wrote to memory of 2720	2828	c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe	31
PID 2720 wrote to memory of 1212	2720	winver.exe	21
PID 2720 wrote to memory of 1116	2720	winver.exe	19
PID 2720 wrote to memory of 1168	2720	winver.exe	20
PID 2720 wrote to memory of 1212	2720	winver.exe	21
PID 2720 wrote to memory of 848	2720	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

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\c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe
  "C:\Users\Admin\AppData\Local\Temp\c42f49550b768d4ea206b87155f516fdd0690b889fb63fee2ea3772adbdffb18.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2828
- - 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:2720

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:848

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/848-23-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/848-26-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/848-28-0x0000000077451000-0x0000000077452000-memory.dmp

Filesize
4KB

Download
memory/1116-25-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1116-27-0x0000000077451000-0x0000000077452000-memory.dmp

Filesize
4KB

Download
memory/1168-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077451000-0x0000000077452000-memory.dmp

Filesize
4KB

Download
memory/1212-2-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1212-21-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1212-24-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/2720-29-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2720-11-0x0000000077400000-0x00000000775A9000-memory.dmp

Filesize
1.7MB

Download
memory/2720-9-0x00000000775FF000-0x0000000077601000-memory.dmp

Filesize
8KB

Download
memory/2720-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2720-7-0x0000000077600000-0x0000000077601000-memory.dmp

Filesize
4KB

Download
memory/2720-8-0x00000000775FF000-0x0000000077600000-memory.dmp

Filesize
4KB

Download
memory/2828-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2828-5-0x0000000001BC0000-0x00000000025C0000-memory.dmp

Filesize
10.0MB

Download
memory/2828-13-0x0000000001BC0000-0x00000000025C0000-memory.dmp

Filesize
10.0MB

Download
memory/2828-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2828-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download