tinba | 6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 21:55

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General

Target

6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe
Size

45KB
MD5

9e2ea961fc743d248c8dad6e95cf1a50
SHA1

6018622fc67094c91eefcf40c452ee09cd388e37
SHA256

6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822
SHA512

0189cd6c1968c3980e59ed2144d837f1860ccaca98e79e084b11d19d5a7dc60d234215f4c70efea9bf495bc330a00c8c398e697e62550a9c002583a0c8ec54b7
SSDEEP

768:yhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:+sWE9N5dFu53dsniQaB/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
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\BDB796DD = "C:\\Users\\Admin\\AppData\\Roaming\\BDB796DD\\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/2892-0-0x0000000000400000-0x000000000041D000-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	6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2724	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2724	2892	6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe	31
PID 2892 wrote to memory of 2724	2892	6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe	31
PID 2892 wrote to memory of 2724	2892	6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe	31
PID 2892 wrote to memory of 2724	2892	6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe	31
PID 2892 wrote to memory of 2724	2892	6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe	31
PID 2724 wrote to memory of 1252	2724	winver.exe	21
PID 2724 wrote to memory of 1104	2724	winver.exe	19
PID 2724 wrote to memory of 1168	2724	winver.exe	20
PID 2724 wrote to memory of 1252	2724	winver.exe	21
PID 2724 wrote to memory of 1348	2724	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1252
- C:\Users\Admin\AppData\Local\Temp\6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe
  "C:\Users\Admin\AppData\Local\Temp\6a7d9b0d3424a33924068f359763e429a955dce889c207a0956481b41fae9822N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2892
- - 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:2724

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1348

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/1104-26-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1104-27-0x00000000776E1000-0x00000000776E2000-memory.dmp

Filesize
4KB

Download
memory/1168-32-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1252-10-0x00000000776E1000-0x00000000776E2000-memory.dmp

Filesize
4KB

Download
memory/1252-28-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1252-4-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1252-3-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1252-2-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1252-23-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1348-29-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/1348-30-0x00000000776E1000-0x00000000776E2000-memory.dmp

Filesize
4KB

Download
memory/1348-25-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2724-7-0x0000000077890000-0x0000000077891000-memory.dmp

Filesize
4KB

Download
memory/2724-6-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2724-31-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2724-8-0x000000007788F000-0x0000000077890000-memory.dmp

Filesize
4KB

Download
memory/2724-9-0x000000007788F000-0x0000000077891000-memory.dmp

Filesize
8KB

Download
memory/2724-11-0x0000000077690000-0x0000000077839000-memory.dmp

Filesize
1.7MB

Download
memory/2892-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2892-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2892-5-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download
memory/2892-13-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download
memory/2892-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download