tinba | b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/02/2025, 11:44

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General

Target

b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe
Size

160KB
MD5

231109d85481022566878059902f0989
SHA1

c6ebe76a4a7d8dcaef87bce64ef9eef179355fc4
SHA256

b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13
SHA512

74008376fbb86ba4c65e7880f977a22eef21346ce4cb2e4bf2309d26f0fa30d9a4513630d11b65a63d1bba955f7ae523e3f0baa159e1d586f84d569b52bdaa4a
SSDEEP

1536:3EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xphM:UY+4MiIkLZJNAQ9J6ve

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\DDB4951D = "C:\\Users\\Admin\\AppData\\Roaming\\DDB4951D\\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/1920-0-0x0000000000400000-0x0000000000428000-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	b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3036	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 3036	1920	b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe	31
PID 1920 wrote to memory of 3036	1920	b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe	31
PID 1920 wrote to memory of 3036	1920	b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe	31
PID 1920 wrote to memory of 3036	1920	b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe	31
PID 1920 wrote to memory of 3036	1920	b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe	31
PID 3036 wrote to memory of 1196	3036	winver.exe	21
PID 3036 wrote to memory of 1100	3036	winver.exe	19
PID 3036 wrote to memory of 1168	3036	winver.exe	20
PID 3036 wrote to memory of 1196	3036	winver.exe	21
PID 3036 wrote to memory of 1660	3036	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe
  "C:\Users\Admin\AppData\Local\Temp\b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1920
- - 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:3036

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1660

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/1100-27-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1100-28-0x00000000775D1000-0x00000000775D2000-memory.dmp

Filesize
4KB

Download
memory/1168-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1196-26-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x00000000775D1000-0x00000000775D2000-memory.dmp

Filesize
4KB

Download
memory/1660-32-0x00000000775D1000-0x00000000775D2000-memory.dmp

Filesize
4KB

Download
memory/1660-31-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1660-25-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1920-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1920-13-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download
memory/1920-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1920-5-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download
memory/1920-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3036-11-0x0000000077580000-0x0000000077729000-memory.dmp

Filesize
1.7MB

Download
memory/3036-9-0x000000007777F000-0x0000000077781000-memory.dmp

Filesize
8KB

Download
memory/3036-8-0x000000007777F000-0x0000000077780000-memory.dmp

Filesize
4KB

Download
memory/3036-7-0x0000000077780000-0x0000000077781000-memory.dmp

Filesize
4KB

Download
memory/3036-30-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/3036-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download