tinba | 413830d67623582db503da3939aa1bddcd6d37f50f11c758fa6ef1f0a5411915

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 21:37

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General

Target

413830d67623582db503da3939aa1bddcd6d37f50f11c758fa6ef1f0a5411915.exe
Size

237KB
MD5

442230995d3ef05c913e9d08bcbc7d61
SHA1

2ff3f0597d4171bbd7191a1326a472788c107f04
SHA256

413830d67623582db503da3939aa1bddcd6d37f50f11c758fa6ef1f0a5411915
SHA512

1d023436704391c7f710a3c082cc92376134e3ece02ddfbc6ca38daa26da618ac508fec3a1c55798029773db9da3cf901e4f15fc01c3401da1f25b407716c18f
SSDEEP

6144:RA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYA:RATuTAnKGwUAWVycQqgB

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\CB98450B = "C:\\Users\\Admin\\AppData\\Roaming\\CB98450B\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	413830d67623582db503da3939aa1bddcd6d37f50f11c758fa6ef1f0a5411915.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2928	winver.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2928	2736	413830d67623582db503da3939aa1bddcd6d37f50f11c758fa6ef1f0a5411915.exe	31
PID 2736 wrote to memory of 2928	2736	413830d67623582db503da3939aa1bddcd6d37f50f11c758fa6ef1f0a5411915.exe	31
PID 2736 wrote to memory of 2928	2736	413830d67623582db503da3939aa1bddcd6d37f50f11c758fa6ef1f0a5411915.exe	31
PID 2736 wrote to memory of 2928	2736	413830d67623582db503da3939aa1bddcd6d37f50f11c758fa6ef1f0a5411915.exe	31
PID 2736 wrote to memory of 2928	2736	413830d67623582db503da3939aa1bddcd6d37f50f11c758fa6ef1f0a5411915.exe	31
PID 2928 wrote to memory of 1204	2928	winver.exe	21
PID 2928 wrote to memory of 1076	2928	winver.exe	18
PID 2928 wrote to memory of 1144	2928	winver.exe	19
PID 2928 wrote to memory of 1204	2928	winver.exe	21
PID 2928 wrote to memory of 644	2928	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1076

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1144

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
- C:\Users\Admin\AppData\Local\Temp\413830d67623582db503da3939aa1bddcd6d37f50f11c758fa6ef1f0a5411915.exe
  "C:\Users\Admin\AppData\Local\Temp\413830d67623582db503da3939aa1bddcd6d37f50f11c758fa6ef1f0a5411915.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - 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:2928

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:644

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 Information Discovery

T1082

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/644-27-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/644-20-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1076-24-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1076-11-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1144-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1144-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1204-17-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002980000-0x0000000002986000-memory.dmp

Filesize
24KB

Download
memory/1204-6-0x0000000002980000-0x0000000002986000-memory.dmp

Filesize
24KB

Download
memory/1204-1-0x0000000002980000-0x0000000002986000-memory.dmp

Filesize
24KB

Download
memory/1204-25-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/2736-8-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2928-23-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2928-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2928-29-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download