tinba | 85c7bf1ef30ac2898f7c7ca8d6a6e4c107462021893f837a117ea6ca8ffeb0b4

Analysis

max time kernel
119s
max time network
116s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26-11-2024 23:40

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General

Target

85c7bf1ef30ac2898f7c7ca8d6a6e4c107462021893f837a117ea6ca8ffeb0b4.exe
Size

89KB
MD5

b45409287d9a030afdee99fcc1bcc509
SHA1

1f061cc9b613075ab14ada1d82367b2a7697eb91
SHA256

85c7bf1ef30ac2898f7c7ca8d6a6e4c107462021893f837a117ea6ca8ffeb0b4
SHA512

3527d2352438c4bf7b43635f4a28463b923404af6d23814b096a3f63c565f3418bb7315166b61e94b3f446c228ade40e17d4dd323adda11111aa9dfa7be8e608
SSDEEP

1536:R1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7O:7+4MJIkLZJNAQ9Jo9O

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\6633A613 = "C:\\Users\\Admin\\AppData\\Roaming\\6633A613\\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/2744-0-0x0000000000400000-0x0000000000418000-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	85c7bf1ef30ac2898f7c7ca8d6a6e4c107462021893f837a117ea6ca8ffeb0b4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe
3016	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3016	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 3016	2744	85c7bf1ef30ac2898f7c7ca8d6a6e4c107462021893f837a117ea6ca8ffeb0b4.exe	31
PID 2744 wrote to memory of 3016	2744	85c7bf1ef30ac2898f7c7ca8d6a6e4c107462021893f837a117ea6ca8ffeb0b4.exe	31
PID 2744 wrote to memory of 3016	2744	85c7bf1ef30ac2898f7c7ca8d6a6e4c107462021893f837a117ea6ca8ffeb0b4.exe	31
PID 2744 wrote to memory of 3016	2744	85c7bf1ef30ac2898f7c7ca8d6a6e4c107462021893f837a117ea6ca8ffeb0b4.exe	31
PID 2744 wrote to memory of 3016	2744	85c7bf1ef30ac2898f7c7ca8d6a6e4c107462021893f837a117ea6ca8ffeb0b4.exe	31
PID 3016 wrote to memory of 1360	3016	winver.exe	21
PID 3016 wrote to memory of 1140	3016	winver.exe	19
PID 3016 wrote to memory of 1268	3016	winver.exe	20
PID 3016 wrote to memory of 1360	3016	winver.exe	21
PID 3016 wrote to memory of 2036	3016	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1140

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1268

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1360
- C:\Users\Admin\AppData\Local\Temp\85c7bf1ef30ac2898f7c7ca8d6a6e4c107462021893f837a117ea6ca8ffeb0b4.exe
  "C:\Users\Admin\AppData\Local\Temp\85c7bf1ef30ac2898f7c7ca8d6a6e4c107462021893f837a117ea6ca8ffeb0b4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2744
- - 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:3016

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2036

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/1140-26-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1140-25-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/1268-20-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1268-35-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1268-27-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1268-28-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1360-10-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1360-22-0x0000000002460000-0x0000000002466000-memory.dmp

Filesize
24KB

Download
memory/1360-3-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1360-2-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1360-29-0x0000000002460000-0x0000000002466000-memory.dmp

Filesize
24KB

Download
memory/1360-4-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/2036-30-0x0000000001B60000-0x0000000001B66000-memory.dmp

Filesize
24KB

Download
memory/2036-31-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/2036-24-0x0000000001B60000-0x0000000001B66000-memory.dmp

Filesize
24KB

Download
memory/2744-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2744-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2744-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2744-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2744-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3016-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/3016-32-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/3016-11-0x0000000077200000-0x00000000773A9000-memory.dmp

Filesize
1.7MB

Download
memory/3016-7-0x0000000077400000-0x0000000077401000-memory.dmp

Filesize
4KB

Download
memory/3016-8-0x00000000773FF000-0x0000000077400000-memory.dmp

Filesize
4KB

Download
memory/3016-9-0x00000000773FF000-0x0000000077401000-memory.dmp

Filesize
8KB

Download