tinba | b6bb351fab5b43f1500c1e5f1e959a0d7bde8df0685bb20b6aa28fb8d636657d

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
02-01-2025 06:27

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General

Target

b6bb351fab5b43f1500c1e5f1e959a0d7bde8df0685bb20b6aa28fb8d636657d.exe
Size

34KB
MD5

fdb8f7f3001e0e4d523fec27c9c7ba34
SHA1

b26714a211e68377fe4adcd30487ed5cfb2b28d9
SHA256

b6bb351fab5b43f1500c1e5f1e959a0d7bde8df0685bb20b6aa28fb8d636657d
SHA512

b32d502591903fa2de04afe1b1936b8a1292b86075d60b0ae8e5b1ee2d9af5a957f63f50d6e2ae25c5d3fa0c3af314406c1528f185c104736bfc684af958e005
SSDEEP

768:rp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JW:rpYoX58z1uirL98xMWnT0OQ9JW

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\9C005D2F = "C:\\Users\\Admin\\AppData\\Roaming\\9C005D2F\\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/2656-0-0x0000000000400000-0x0000000000417000-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	b6bb351fab5b43f1500c1e5f1e959a0d7bde8df0685bb20b6aa28fb8d636657d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2796	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2796	2656	b6bb351fab5b43f1500c1e5f1e959a0d7bde8df0685bb20b6aa28fb8d636657d.exe	31
PID 2656 wrote to memory of 2796	2656	b6bb351fab5b43f1500c1e5f1e959a0d7bde8df0685bb20b6aa28fb8d636657d.exe	31
PID 2656 wrote to memory of 2796	2656	b6bb351fab5b43f1500c1e5f1e959a0d7bde8df0685bb20b6aa28fb8d636657d.exe	31
PID 2656 wrote to memory of 2796	2656	b6bb351fab5b43f1500c1e5f1e959a0d7bde8df0685bb20b6aa28fb8d636657d.exe	31
PID 2656 wrote to memory of 2796	2656	b6bb351fab5b43f1500c1e5f1e959a0d7bde8df0685bb20b6aa28fb8d636657d.exe	31
PID 2796 wrote to memory of 1260	2796	winver.exe	21
PID 2796 wrote to memory of 1128	2796	winver.exe	19
PID 2796 wrote to memory of 1184	2796	winver.exe	20
PID 2796 wrote to memory of 1260	2796	winver.exe	21
PID 2796 wrote to memory of 1544	2796	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1260
- C:\Users\Admin\AppData\Local\Temp\b6bb351fab5b43f1500c1e5f1e959a0d7bde8df0685bb20b6aa28fb8d636657d.exe
  "C:\Users\Admin\AppData\Local\Temp\b6bb351fab5b43f1500c1e5f1e959a0d7bde8df0685bb20b6aa28fb8d636657d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2656
- - 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:2796

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1544

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/1128-24-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1128-25-0x0000000077681000-0x0000000077682000-memory.dmp

Filesize
4KB

Download
memory/1184-19-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1184-29-0x0000000077681000-0x0000000077682000-memory.dmp

Filesize
4KB

Download
memory/1184-31-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1184-30-0x0000000077681000-0x0000000077682000-memory.dmp

Filesize
4KB

Download
memory/1260-4-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1260-10-0x0000000077681000-0x0000000077682000-memory.dmp

Filesize
4KB

Download
memory/1260-26-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1260-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1260-21-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1260-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1544-27-0x0000000001D50000-0x0000000001D56000-memory.dmp

Filesize
24KB

Download
memory/1544-28-0x0000000077681000-0x0000000077682000-memory.dmp

Filesize
4KB

Download
memory/1544-23-0x0000000001D50000-0x0000000001D56000-memory.dmp

Filesize
24KB

Download
memory/2656-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2656-13-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2656-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2656-5-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2656-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2796-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2796-7-0x0000000077830000-0x0000000077831000-memory.dmp

Filesize
4KB

Download
memory/2796-8-0x000000007782F000-0x0000000077830000-memory.dmp

Filesize
4KB

Download
memory/2796-9-0x000000007782F000-0x0000000077831000-memory.dmp

Filesize
8KB

Download
memory/2796-11-0x0000000077630000-0x00000000777D9000-memory.dmp

Filesize
1.7MB

Download
memory/2796-32-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download