tinba | bf03aec25fdb6514a337b5d88dfc4efb2f27266d60d868eb0f325574ec135dca

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 08:23

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General

Target

bf03aec25fdb6514a337b5d88dfc4efb2f27266d60d868eb0f325574ec135dcaN.exe
Size

45KB
MD5

bafe0a937462b91e56052638abbb2bd0
SHA1

f2d6a7fcb769da69aeda1ecafc2714bda307bb3a
SHA256

bf03aec25fdb6514a337b5d88dfc4efb2f27266d60d868eb0f325574ec135dca
SHA512

2656fc5bf5c638145d6d4790f0f7f6da908c6d1e1b409d57013ad0e21fdb8fe2934dd519df837e07f1bf45a37a08405cab8d3ece6bb89f71ca0616f9ffb63a98
SSDEEP

768:QhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:ssWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\8C69845F = "C:\\Users\\Admin\\AppData\\Roaming\\8C69845F\\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/2480-0-0x0000000000400000-0x000000000041D000-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	bf03aec25fdb6514a337b5d88dfc4efb2f27266d60d868eb0f325574ec135dcaN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe
2112	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2112	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2112	2480	bf03aec25fdb6514a337b5d88dfc4efb2f27266d60d868eb0f325574ec135dcaN.exe	31
PID 2480 wrote to memory of 2112	2480	bf03aec25fdb6514a337b5d88dfc4efb2f27266d60d868eb0f325574ec135dcaN.exe	31
PID 2480 wrote to memory of 2112	2480	bf03aec25fdb6514a337b5d88dfc4efb2f27266d60d868eb0f325574ec135dcaN.exe	31
PID 2480 wrote to memory of 2112	2480	bf03aec25fdb6514a337b5d88dfc4efb2f27266d60d868eb0f325574ec135dcaN.exe	31
PID 2480 wrote to memory of 2112	2480	bf03aec25fdb6514a337b5d88dfc4efb2f27266d60d868eb0f325574ec135dcaN.exe	31
PID 2112 wrote to memory of 1212	2112	winver.exe	21
PID 2112 wrote to memory of 1112	2112	winver.exe	19
PID 2112 wrote to memory of 1168	2112	winver.exe	20
PID 2112 wrote to memory of 1212	2112	winver.exe	21
PID 2112 wrote to memory of 1684	2112	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:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\bf03aec25fdb6514a337b5d88dfc4efb2f27266d60d868eb0f325574ec135dcaN.exe
  "C:\Users\Admin\AppData\Local\Temp\bf03aec25fdb6514a337b5d88dfc4efb2f27266d60d868eb0f325574ec135dcaN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2480
- - 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:2112

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1684

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/1112-27-0x0000000077821000-0x0000000077822000-memory.dmp

Filesize
4KB

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

Filesize
24KB

Download
memory/1168-29-0x0000000077821000-0x0000000077822000-memory.dmp

Filesize
4KB

Download
memory/1168-20-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1168-30-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077821000-0x0000000077822000-memory.dmp

Filesize
4KB

Download
memory/1212-22-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1212-28-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1684-31-0x0000000077821000-0x0000000077822000-memory.dmp

Filesize
4KB

Download
memory/1684-32-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1684-33-0x0000000077821000-0x0000000077822000-memory.dmp

Filesize
4KB

Download
memory/1684-25-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/2112-34-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2112-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2112-7-0x00000000779D0000-0x00000000779D1000-memory.dmp

Filesize
4KB

Download
memory/2112-8-0x00000000779CF000-0x00000000779D0000-memory.dmp

Filesize
4KB

Download
memory/2112-9-0x00000000779CF000-0x00000000779D1000-memory.dmp

Filesize
8KB

Download
memory/2112-11-0x00000000777D0000-0x0000000077979000-memory.dmp

Filesize
1.7MB

Download
memory/2480-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2480-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2480-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2480-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2480-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download