tinba | 7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-10-2024 05:49

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General

Target

7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe
Size

225KB
MD5

ba5293c1c050683e3c463793e6d41c20
SHA1

d5af53ce1019b9a01518c708059d7d59e3818caf
SHA256

7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84
SHA512

b9c8cd1e82e63ddfebcc7110b6f38fa5f472e4c1b87aaaf00c0d8e5d9e17639e636b0a88ed7c4b8edaceec1ea06003766db49eb94d1980bb648a1dc68d758e6e
SSDEEP

6144:vA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:vATuTAnKGwUAW3ycQqgf

Score

10^/10

tinba banker discovery persistence trojan

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\7B197C5B = "C:\\Users\\Admin\\AppData\\Roaming\\7B197C5B\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2832	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2832	2420	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	31
PID 2420 wrote to memory of 2832	2420	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	31
PID 2420 wrote to memory of 2832	2420	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	31
PID 2420 wrote to memory of 2832	2420	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	31
PID 2420 wrote to memory of 2832	2420	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	31
PID 2832 wrote to memory of 1212	2832	winver.exe	21
PID 2832 wrote to memory of 1100	2832	winver.exe	19
PID 2832 wrote to memory of 1176	2832	winver.exe	20
PID 2832 wrote to memory of 1212	2832	winver.exe	21
PID 2832 wrote to memory of 1204	2832	winver.exe	23
PID 2832 wrote to memory of 2420	2832	winver.exe	29

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe
  "C:\Users\Admin\AppData\Local\Temp\7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2420
- - 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:2832

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1204

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 Information Discovery

T1082

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/1100-29-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1100-9-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1176-12-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1176-26-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1204-28-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1204-18-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1212-15-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1212-6-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1212-27-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/2420-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2832-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2832-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2832-31-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download