tinba | da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9

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
30-11-2024 04:33

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General

Target

da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe
Size

110KB
MD5

3745db67d5eeb65e4a512df92dbe48dd
SHA1

130b7e29d26a7fe8ba6655f3cf011b2e85b5db23
SHA256

da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9
SHA512

35cd027e185a172e5d975e0a37810062aa436ce7be3171cbca0f4fde43af2d83727f014c81283ac1648ff51be1335416c957767068fc7f1181dae24e4dd45850
SSDEEP

1536:uiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:uiyvRmDLs/ZrwWJjAqGcRJ2hg

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\DEC4AC5D = "C:\\Users\\Admin\\AppData\\Roaming\\DEC4AC5D\\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/2316-0-0x0000000000400000-0x000000000041E000-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	da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe
2708	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2708	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2708	2316	da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe	31
PID 2316 wrote to memory of 2708	2316	da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe	31
PID 2316 wrote to memory of 2708	2316	da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe	31
PID 2316 wrote to memory of 2708	2316	da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe	31
PID 2316 wrote to memory of 2708	2316	da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe	31
PID 2708 wrote to memory of 1252	2708	winver.exe	21
PID 2708 wrote to memory of 1104	2708	winver.exe	19
PID 2708 wrote to memory of 1168	2708	winver.exe	20
PID 2708 wrote to memory of 1252	2708	winver.exe	21
PID 2708 wrote to memory of 1348	2708	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1252
- C:\Users\Admin\AppData\Local\Temp\da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe
  "C:\Users\Admin\AppData\Local\Temp\da51a45e1576fcbc2dbd2a62b1eff7effc4f54576f9a07bba5c3dc14bcadacc9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2316
- - 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:2708

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1348

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/1104-25-0x00000000776E1000-0x00000000776E2000-memory.dmp

Filesize
4KB

Download
memory/1104-24-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1168-33-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-30-0x00000000776E1000-0x00000000776E2000-memory.dmp

Filesize
4KB

Download
memory/1168-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-32-0x00000000776E1000-0x00000000776E2000-memory.dmp

Filesize
4KB

Download
memory/1168-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1252-3-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1252-26-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1252-10-0x00000000776E1000-0x00000000776E2000-memory.dmp

Filesize
4KB

Download
memory/1252-4-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1252-2-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1252-21-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1348-27-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/1348-28-0x00000000776E1000-0x00000000776E2000-memory.dmp

Filesize
4KB

Download
memory/1348-23-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/2316-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2316-13-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2316-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2316-5-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2316-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2708-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2708-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2708-7-0x0000000077890000-0x0000000077891000-memory.dmp

Filesize
4KB

Download
memory/2708-8-0x000000007788F000-0x0000000077890000-memory.dmp

Filesize
4KB

Download
memory/2708-9-0x000000007788F000-0x0000000077891000-memory.dmp

Filesize
8KB

Download
memory/2708-11-0x0000000077690000-0x0000000077839000-memory.dmp

Filesize
1.7MB

Download