tinba | 94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/09/2024, 17:29

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General

Target

94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe
Size

34KB
MD5

1b532945e65c06060ae4ec9a9e94dab0
SHA1

039dc100ad1e9aac7bc1551540b9f85e906fd39c
SHA256

94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1d
SHA512

3f7eee730b79a88a30f1ed32b48a25f24514758fc3ae213bb4e253524bbb87e27f4d099d905f2d823ba2f8428e298522d36ae1603f8329946f25184114791bcc
SSDEEP

768:Ap22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:ApYoX58z1uirL98xMWnT0OQ9J2

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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2676-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

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\EF0E5458 = "C:\\Users\\Admin\\AppData\\Roaming\\EF0E5458\\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	94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe
2772	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2772	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2772	2676	94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe	32
PID 2676 wrote to memory of 2772	2676	94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe	32
PID 2676 wrote to memory of 2772	2676	94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe	32
PID 2676 wrote to memory of 2772	2676	94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe	32
PID 2676 wrote to memory of 2772	2676	94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe	32
PID 2772 wrote to memory of 1200	2772	winver.exe	21
PID 2772 wrote to memory of 1112	2772	winver.exe	19
PID 2772 wrote to memory of 1160	2772	winver.exe	20
PID 2772 wrote to memory of 1200	2772	winver.exe	21
PID 2772 wrote to memory of 1300	2772	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⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe
  "C:\Users\Admin\AppData\Local\Temp\94c367c99e02ec58e09b32e971fc9434e81c1544849c00cdd59946b95b0f6f1dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2676
- - 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:2772

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1300

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/1112-27-0x0000000076D91000-0x0000000076D92000-memory.dmp

Filesize
4KB

Download
memory/1112-26-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1160-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1160-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1200-30-0x0000000002930000-0x0000000002936000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download
memory/1200-22-0x0000000002930000-0x0000000002936000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000076D91000-0x0000000076D92000-memory.dmp

Filesize
4KB

Download
memory/1200-3-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download
memory/1300-31-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1300-25-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1300-32-0x0000000076D91000-0x0000000076D92000-memory.dmp

Filesize
4KB

Download
memory/1300-29-0x0000000076D91000-0x0000000076D92000-memory.dmp

Filesize
4KB

Download
memory/2676-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-13-0x0000000001E80000-0x0000000002880000-memory.dmp

Filesize
10.0MB

Download
memory/2676-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-5-0x0000000001E80000-0x0000000002880000-memory.dmp

Filesize
10.0MB

Download
memory/2676-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2772-8-0x0000000076F3F000-0x0000000076F40000-memory.dmp

Filesize
4KB

Download
memory/2772-9-0x0000000076F3F000-0x0000000076F41000-memory.dmp

Filesize
8KB

Download
memory/2772-11-0x0000000076D40000-0x0000000076EE9000-memory.dmp

Filesize
1.7MB

Download
memory/2772-7-0x0000000076F40000-0x0000000076F41000-memory.dmp

Filesize
4KB

Download
memory/2772-6-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2772-33-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download