tinba | 7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1

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
25-01-2025 02:44

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General

Target

7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1.exe
Size

110KB
MD5

9042a9ccf2ca4a7d13039b8ffe3ada00
SHA1

3ba4fa515182cca7bcfd0fc0fda867b9f5c1a3fa
SHA256

7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1
SHA512

db0b5db6e1d513a88c7ce63a2d6b712e6e48486b1dfbd814e75b3b208ba8a3ddbbd895df2225409dd1569e8cc0cb1000a101f8dfcacba153b8ca633b8b442dc4
SSDEEP

1536:miLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:miyvRmDLs/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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\83266A9D = "C:\\Users\\Admin\\AppData\\Roaming\\83266A9D\\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/1228-0-0x0000000000400000-0x000000000041E000-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	7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe
2816	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2816	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 2816	1228	7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1.exe	31
PID 1228 wrote to memory of 2816	1228	7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1.exe	31
PID 1228 wrote to memory of 2816	1228	7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1.exe	31
PID 1228 wrote to memory of 2816	1228	7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1.exe	31
PID 1228 wrote to memory of 2816	1228	7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1.exe	31
PID 2816 wrote to memory of 1204	2816	winver.exe	21
PID 2816 wrote to memory of 1116	2816	winver.exe	19
PID 2816 wrote to memory of 1168	2816	winver.exe	20
PID 2816 wrote to memory of 1204	2816	winver.exe	21
PID 2816 wrote to memory of 1636	2816	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1.exe
  "C:\Users\Admin\AppData\Local\Temp\7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1228
- - 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:2816

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1636

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/1116-23-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1116-24-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

Filesize
4KB

Download
memory/1168-26-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

Filesize
4KB

Download
memory/1168-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1168-19-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1204-21-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

Filesize
4KB

Download
memory/1204-22-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1228-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1228-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1228-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/1228-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/1228-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1636-32-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

Filesize
4KB

Download
memory/1636-31-0x0000000001E90000-0x0000000001E96000-memory.dmp

Filesize
24KB

Download
memory/2816-25-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2816-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2816-7-0x0000000077170000-0x0000000077171000-memory.dmp

Filesize
4KB

Download
memory/2816-8-0x000000007716F000-0x0000000077170000-memory.dmp

Filesize
4KB

Download
memory/2816-9-0x000000007716F000-0x0000000077171000-memory.dmp

Filesize
8KB

Download
memory/2816-11-0x0000000076F70000-0x0000000077119000-memory.dmp

Filesize
1.7MB

Download