tinba | aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 01:13

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General

Target

aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe
Size

45KB
MD5

c14ecc42bfdbff3c640b8357f73d8642
SHA1

f0d0da1d055ab712413ca22a6f085bf99e84c6b1
SHA256

aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146
SHA512

898146d2394a4368061b9bb01a36a7e7c45333d0f449c94e013e41bb4d06d99e17ff6696cdd95569d66a4f9d0dd7429282353a74876ca72af4b73a1942aa47c2
SSDEEP

768:lhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:3sWE9N5dFu53dsniQaB/xZ14n7zIF+qL

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\AB7FB33C = "C:\\Users\\Admin\\AppData\\Roaming\\AB7FB33C\\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/2084-0-0x0000000000400000-0x000000000041D000-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	aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2780	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2780	2084	aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe	32
PID 2084 wrote to memory of 2780	2084	aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe	32
PID 2084 wrote to memory of 2780	2084	aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe	32
PID 2084 wrote to memory of 2780	2084	aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe	32
PID 2084 wrote to memory of 2780	2084	aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe	32
PID 2780 wrote to memory of 1120	2780	winver.exe	20
PID 2780 wrote to memory of 1048	2780	winver.exe	17
PID 2780 wrote to memory of 1076	2780	winver.exe	19
PID 2780 wrote to memory of 1120	2780	winver.exe	20
PID 2780 wrote to memory of 1236	2780	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1048

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1076

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1120
- C:\Users\Admin\AppData\Local\Temp\aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe
  "C:\Users\Admin\AppData\Local\Temp\aac4a2a3c15952707a02340060cc7e959d556a342261c8665a4e5868f9053146.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2084
- - 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:2780

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1236

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/1048-18-0x00000000772E1000-0x00000000772E2000-memory.dmp

Filesize
4KB

Download
memory/1048-26-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1048-27-0x00000000772E1000-0x00000000772E2000-memory.dmp

Filesize
4KB

Download
memory/1076-31-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1076-21-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1120-2-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1120-30-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1120-4-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1120-10-0x00000000772E1000-0x00000000772E2000-memory.dmp

Filesize
4KB

Download
memory/1120-3-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1120-23-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1236-29-0x00000000772E1000-0x00000000772E2000-memory.dmp

Filesize
4KB

Download
memory/1236-25-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1236-28-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/2084-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2084-13-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2084-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2084-5-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2084-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2780-11-0x0000000077290000-0x0000000077439000-memory.dmp

Filesize
1.7MB

Download
memory/2780-9-0x000000007748F000-0x0000000077491000-memory.dmp

Filesize
8KB

Download
memory/2780-8-0x000000007748F000-0x0000000077490000-memory.dmp

Filesize
4KB

Download
memory/2780-7-0x0000000077490000-0x0000000077491000-memory.dmp

Filesize
4KB

Download
memory/2780-6-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2780-32-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2780-37-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download