tinba | 4ed83478f1cd128443282f0735c777a0c2dae6513e1d9695891f83040f346818

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-01-2025 00:12

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General

Target

4ed83478f1cd128443282f0735c777a0c2dae6513e1d9695891f83040f346818.exe
Size

110KB
MD5

96d8f5462c5c83d9443766b80f32a400
SHA1

bb0a195a6aadbc1fbdf6104e2c673c6a7b894289
SHA256

4ed83478f1cd128443282f0735c777a0c2dae6513e1d9695891f83040f346818
SHA512

81ad516ff031b5f95b95144f0ef99c89885c34b3bcd572896d35ae1ea9c3debaf621eec1e504d0a38b02b06f94f36f613a014e31a90ab75fd3c47c6ef88bc0df
SSDEEP

1536:JiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:JiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\5A87252B = "C:\\Users\\Admin\\AppData\\Roaming\\5A87252B\\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/1552-0-0x0000000000400000-0x000000000041E000-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	4ed83478f1cd128443282f0735c777a0c2dae6513e1d9695891f83040f346818.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe
2172	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2172	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 2172	1552	4ed83478f1cd128443282f0735c777a0c2dae6513e1d9695891f83040f346818.exe	32
PID 1552 wrote to memory of 2172	1552	4ed83478f1cd128443282f0735c777a0c2dae6513e1d9695891f83040f346818.exe	32
PID 1552 wrote to memory of 2172	1552	4ed83478f1cd128443282f0735c777a0c2dae6513e1d9695891f83040f346818.exe	32
PID 1552 wrote to memory of 2172	1552	4ed83478f1cd128443282f0735c777a0c2dae6513e1d9695891f83040f346818.exe	32
PID 1552 wrote to memory of 2172	1552	4ed83478f1cd128443282f0735c777a0c2dae6513e1d9695891f83040f346818.exe	32
PID 2172 wrote to memory of 1132	2172	winver.exe	20
PID 2172 wrote to memory of 1048	2172	winver.exe	17
PID 2172 wrote to memory of 1064	2172	winver.exe	18
PID 2172 wrote to memory of 1132	2172	winver.exe	20
PID 2172 wrote to memory of 2012	2172	winver.exe	23

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

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1064

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1132
- C:\Users\Admin\AppData\Local\Temp\4ed83478f1cd128443282f0735c777a0c2dae6513e1d9695891f83040f346818.exe
  "C:\Users\Admin\AppData\Local\Temp\4ed83478f1cd128443282f0735c777a0c2dae6513e1d9695891f83040f346818.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1552
- - 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:2172

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2012

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/1048-26-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1048-27-0x00000000775D1000-0x00000000775D2000-memory.dmp

Filesize
4KB

Download
memory/1064-20-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1064-28-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1132-10-0x00000000775D1000-0x00000000775D2000-memory.dmp

Filesize
4KB

Download
memory/1132-4-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1132-3-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1132-2-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1132-22-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1132-29-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1552-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1552-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1552-13-0x0000000001BE0000-0x00000000025E0000-memory.dmp

Filesize
10.0MB

Download
memory/1552-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1552-5-0x0000000001BE0000-0x00000000025E0000-memory.dmp

Filesize
10.0MB

Download
memory/2012-25-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/2012-32-0x00000000775D1000-0x00000000775D2000-memory.dmp

Filesize
4KB

Download
memory/2012-30-0x00000000775D1000-0x00000000775D2000-memory.dmp

Filesize
4KB

Download
memory/2012-31-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/2172-9-0x000000007777F000-0x0000000077781000-memory.dmp

Filesize
8KB

Download
memory/2172-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2172-7-0x0000000077780000-0x0000000077781000-memory.dmp

Filesize
4KB

Download
memory/2172-8-0x000000007777F000-0x0000000077780000-memory.dmp

Filesize
4KB

Download
memory/2172-11-0x0000000077580000-0x0000000077729000-memory.dmp

Filesize
1.7MB

Download
memory/2172-33-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download