tinba | d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01

Analysis

max time kernel
119s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/11/2024, 09:07

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General

Target

d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe
Size

89KB
MD5

c4a96d1eb525e2f6aaf5acd1e2221b80
SHA1

35f13d21cd53c08c35fe45906f2750a56e68b5d2
SHA256

d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01
SHA512

22c98a829357f26ff863374b2fd545356aba301265068df14c900881ea4a848caa43e3cdd9aa3c619b01fc2f15c856bcbdd1b7a4b065dccedf120a9efa571b49
SSDEEP

1536:x9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:x9o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\7F1E4F38 = "C:\\Users\\Admin\\AppData\\Roaming\\7F1E4F38\\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	d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe
1660	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1660	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 1660	2112	d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe	30
PID 2112 wrote to memory of 1660	2112	d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe	30
PID 2112 wrote to memory of 1660	2112	d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe	30
PID 2112 wrote to memory of 1660	2112	d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe	30
PID 2112 wrote to memory of 1660	2112	d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe	30
PID 1660 wrote to memory of 1128	1660	winver.exe	20
PID 1660 wrote to memory of 1044	1660	winver.exe	17
PID 1660 wrote to memory of 1068	1660	winver.exe	18
PID 1660 wrote to memory of 1128	1660	winver.exe	20
PID 1660 wrote to memory of 1996	1660	winver.exe	23
PID 1660 wrote to memory of 2112	1660	winver.exe	29

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1128
- C:\Users\Admin\AppData\Local\Temp\d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe
  "C:\Users\Admin\AppData\Local\Temp\d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2112
- - 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:1660

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1996

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/1044-15-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1044-28-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1044-29-0x0000000077351000-0x0000000077352000-memory.dmp

Filesize
4KB

Download
memory/1068-18-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1068-32-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1128-30-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1128-2-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1128-1-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1128-5-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1128-21-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1128-12-0x0000000077351000-0x0000000077352000-memory.dmp

Filesize
4KB

Download
memory/1660-13-0x0000000077300000-0x00000000774A9000-memory.dmp

Filesize
1.7MB

Download
memory/1660-11-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/1660-35-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1660-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1660-7-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1660-8-0x0000000077500000-0x0000000077501000-memory.dmp

Filesize
4KB

Download
memory/1660-9-0x00000000774FF000-0x0000000077500000-memory.dmp

Filesize
4KB

Download
memory/1660-10-0x00000000774FF000-0x0000000077501000-memory.dmp

Filesize
8KB

Download
memory/1996-31-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1996-27-0x0000000077351000-0x0000000077352000-memory.dmp

Filesize
4KB

Download
memory/1996-23-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/2112-0-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download
memory/2112-6-0x00000000024D0000-0x0000000002ED0000-memory.dmp

Filesize
10.0MB

Download
memory/2112-26-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2112-33-0x00000000024D0000-0x0000000002ED0000-memory.dmp

Filesize
10.0MB

Download