tinba | ab2c3b13eb7e6a4778676adc4279b8faff9769b5e561de770bff0f8e2f1687ab

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 07:50

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General

Target

JaffaCakes118_959948adae63fd46c460fa276e6a80a7.exe
Size

34KB
MD5

959948adae63fd46c460fa276e6a80a7
SHA1

76f2ee006fe888043c754bf7f54e352fd06e400a
SHA256

ab2c3b13eb7e6a4778676adc4279b8faff9769b5e561de770bff0f8e2f1687ab
SHA512

587c9f05075c35713458ff4bbf3b752ae653c16bd37b9d196d46f56b65c23b37402ba9f711e5d6bf0dd86e125bb2d1cf11e20423e089e1b6e7ce62e331bb2ed4
SSDEEP

768:3p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:3pYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\C3D38AA1 = "C:\\Users\\Admin\\AppData\\Roaming\\C3D38AA1\\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/2984-0-0x0000000000400000-0x0000000000417000-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	JaffaCakes118_959948adae63fd46c460fa276e6a80a7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3064	winver.exe
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 3064	2984	JaffaCakes118_959948adae63fd46c460fa276e6a80a7.exe	31
PID 2984 wrote to memory of 3064	2984	JaffaCakes118_959948adae63fd46c460fa276e6a80a7.exe	31
PID 2984 wrote to memory of 3064	2984	JaffaCakes118_959948adae63fd46c460fa276e6a80a7.exe	31
PID 2984 wrote to memory of 3064	2984	JaffaCakes118_959948adae63fd46c460fa276e6a80a7.exe	31
PID 2984 wrote to memory of 3064	2984	JaffaCakes118_959948adae63fd46c460fa276e6a80a7.exe	31
PID 3064 wrote to memory of 1248	3064	winver.exe	21
PID 3064 wrote to memory of 1100	3064	winver.exe	19
PID 3064 wrote to memory of 1160	3064	winver.exe	20
PID 3064 wrote to memory of 1248	3064	winver.exe	21
PID 3064 wrote to memory of 800	3064	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1248
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_959948adae63fd46c460fa276e6a80a7.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_959948adae63fd46c460fa276e6a80a7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2984
- - 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:3064

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:800

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/800-24-0x0000000001BF0000-0x0000000001BF6000-memory.dmp

Filesize
24KB

Download
memory/800-30-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/800-32-0x0000000001BF0000-0x0000000001BF6000-memory.dmp

Filesize
24KB

Download
memory/1100-25-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1100-33-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1100-26-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1160-28-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1160-34-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1248-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1248-31-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1248-10-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1248-4-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1248-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1248-22-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/2984-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2984-13-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2984-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2984-5-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2984-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3064-7-0x0000000077400000-0x0000000077401000-memory.dmp

Filesize
4KB

Download
memory/3064-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3064-8-0x00000000773FF000-0x0000000077400000-memory.dmp

Filesize
4KB

Download
memory/3064-9-0x00000000773FF000-0x0000000077401000-memory.dmp

Filesize
8KB

Download
memory/3064-11-0x0000000077200000-0x00000000773A9000-memory.dmp

Filesize
1.7MB

Download
memory/3064-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download