tinba | b425af207da5a89232b86566a798a241201a13508adeb0a57124f331c657b452

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 05:03

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General

Target

b425af207da5a89232b86566a798a241201a13508adeb0a57124f331c657b452N.exe
Size

88KB
MD5

9521c013f02760226426f1066f49c3f0
SHA1

121ed7d42f0c1e5733fc05b26a2a5e676cad614f
SHA256

b425af207da5a89232b86566a798a241201a13508adeb0a57124f331c657b452
SHA512

4d521c6e6739a91780b820c6304b6e4f4d3aa46056a15a0c31f25e892331c53e148d7f28ceb907328b3b19966d27c1d8aa11f334a8f1aaf097c02d289d9b2c9c
SSDEEP

1536:ez44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsNj:ezvokZR/KM/ysjwqWsNj

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\17483E22 = "C:\\Users\\Admin\\AppData\\Roaming\\17483E22\\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	b425af207da5a89232b86566a798a241201a13508adeb0a57124f331c657b452N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2784	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2784	2184	b425af207da5a89232b86566a798a241201a13508adeb0a57124f331c657b452N.exe	31
PID 2184 wrote to memory of 2784	2184	b425af207da5a89232b86566a798a241201a13508adeb0a57124f331c657b452N.exe	31
PID 2184 wrote to memory of 2784	2184	b425af207da5a89232b86566a798a241201a13508adeb0a57124f331c657b452N.exe	31
PID 2184 wrote to memory of 2784	2184	b425af207da5a89232b86566a798a241201a13508adeb0a57124f331c657b452N.exe	31
PID 2184 wrote to memory of 2784	2184	b425af207da5a89232b86566a798a241201a13508adeb0a57124f331c657b452N.exe	31
PID 2784 wrote to memory of 1200	2784	winver.exe	21
PID 2784 wrote to memory of 1100	2784	winver.exe	18
PID 2784 wrote to memory of 1108	2784	winver.exe	19
PID 2784 wrote to memory of 1200	2784	winver.exe	21
PID 2784 wrote to memory of 2044	2784	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1100

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\b425af207da5a89232b86566a798a241201a13508adeb0a57124f331c657b452N.exe
  "C:\Users\Admin\AppData\Local\Temp\b425af207da5a89232b86566a798a241201a13508adeb0a57124f331c657b452N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2184
- - 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:2784

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2044

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/1100-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1108-24-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1108-25-0x0000000076D41000-0x0000000076D42000-memory.dmp

Filesize
4KB

Download
memory/1108-19-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1200-9-0x0000000076D41000-0x0000000076D42000-memory.dmp

Filesize
4KB

Download
memory/1200-21-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1200-26-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download
memory/2044-28-0x0000000076D41000-0x0000000076D42000-memory.dmp

Filesize
4KB

Download
memory/2044-23-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2044-27-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2184-4-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2184-12-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2184-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2184-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2784-10-0x0000000076CF0000-0x0000000076E99000-memory.dmp

Filesize
1.7MB

Download
memory/2784-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2784-6-0x0000000076EF0000-0x0000000076EF1000-memory.dmp

Filesize
4KB

Download
memory/2784-7-0x0000000076EEF000-0x0000000076EF0000-memory.dmp

Filesize
4KB

Download
memory/2784-8-0x0000000076EEF000-0x0000000076EF1000-memory.dmp

Filesize
8KB

Download
memory/2784-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download