tinba | 88f7f074ca91791ce01de2e033f36077f169ce8d8add835e5db0bb628e5d9972

Analysis

max time kernel
149s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-11-2024 07:08

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General

Target

88f7f074ca91791ce01de2e033f36077f169ce8d8add835e5db0bb628e5d9972.exe
Size

59KB
MD5

6928dc73a6458bb0ac68d6104e5f6241
SHA1

fe5d38eee391791b12a7bb1407b4bd8f41795787
SHA256

88f7f074ca91791ce01de2e033f36077f169ce8d8add835e5db0bb628e5d9972
SHA512

2e167f9008f0f7fc57ee159062e50206436ba13f9121532dbd68cd606826cb74a11e8d7813ef0c63dfaebddddd993bfaff0a69ea545291be96db5f156e5f710b
SSDEEP

768:V+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:V+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\13C941B5 = "C:\\Users\\Admin\\AppData\\Roaming\\13C941B5\\bin.exe"	winver.exe

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	88f7f074ca91791ce01de2e033f36077f169ce8d8add835e5db0bb628e5d9972.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2408	winver.exe
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2408	3056	88f7f074ca91791ce01de2e033f36077f169ce8d8add835e5db0bb628e5d9972.exe	31
PID 3056 wrote to memory of 2408	3056	88f7f074ca91791ce01de2e033f36077f169ce8d8add835e5db0bb628e5d9972.exe	31
PID 3056 wrote to memory of 2408	3056	88f7f074ca91791ce01de2e033f36077f169ce8d8add835e5db0bb628e5d9972.exe	31
PID 3056 wrote to memory of 2408	3056	88f7f074ca91791ce01de2e033f36077f169ce8d8add835e5db0bb628e5d9972.exe	31
PID 3056 wrote to memory of 2408	3056	88f7f074ca91791ce01de2e033f36077f169ce8d8add835e5db0bb628e5d9972.exe	31
PID 2408 wrote to memory of 1200	2408	winver.exe	21
PID 2408 wrote to memory of 1112	2408	winver.exe	19
PID 2408 wrote to memory of 1160	2408	winver.exe	20
PID 2408 wrote to memory of 1200	2408	winver.exe	21
PID 2408 wrote to memory of 1440	2408	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1200
- C:\Users\Admin\AppData\Local\Temp\88f7f074ca91791ce01de2e033f36077f169ce8d8add835e5db0bb628e5d9972.exe
  "C:\Users\Admin\AppData\Local\Temp\88f7f074ca91791ce01de2e033f36077f169ce8d8add835e5db0bb628e5d9972.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3056
- - 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:2408

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1440

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/1112-25-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1112-26-0x0000000077591000-0x0000000077592000-memory.dmp

Filesize
4KB

Download
memory/1160-28-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1160-20-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1200-9-0x0000000077591000-0x0000000077592000-memory.dmp

Filesize
4KB

Download
memory/1200-29-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1200-22-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1440-31-0x0000000077591000-0x0000000077592000-memory.dmp

Filesize
4KB

Download
memory/1440-30-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/1440-24-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/1440-27-0x0000000077591000-0x0000000077592000-memory.dmp

Filesize
4KB

Download
memory/2408-10-0x0000000077540000-0x00000000776E9000-memory.dmp

Filesize
1.7MB

Download
memory/2408-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2408-6-0x0000000077740000-0x0000000077741000-memory.dmp

Filesize
4KB

Download
memory/2408-7-0x000000007773F000-0x0000000077740000-memory.dmp

Filesize
4KB

Download
memory/2408-8-0x000000007773F000-0x0000000077741000-memory.dmp

Filesize
8KB

Download
memory/2408-32-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3056-12-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/3056-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3056-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3056-4-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download