tinba | fdbb2cd324f979146ac439cb0c5ea1305c53c549207db3e21b93f2c126f268e0

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 22:47

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General

Target

JaffaCakes118_7c9ff9460e51dddb1b7af0f79eb0ec2c.exe
Size

34KB
MD5

7c9ff9460e51dddb1b7af0f79eb0ec2c
SHA1

2b467b1714301e0a41fc79859affec10db6c16a7
SHA256

fdbb2cd324f979146ac439cb0c5ea1305c53c549207db3e21b93f2c126f268e0
SHA512

96246f3ecf3a03db301290900fed4a7aa81d1212489961b4093b79291e47418ab660f5d24f6a2db5f8ae8f2d6d27e3b440b31f4bd836445d6d416a4f4d06dc41
SSDEEP

768:np22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:npYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\CAE7D100 = "C:\\Users\\Admin\\AppData\\Roaming\\CAE7D100\\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/1868-0-0x0000000000400000-0x0000000000417000-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_7c9ff9460e51dddb1b7af0f79eb0ec2c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2144	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2144	1868	JaffaCakes118_7c9ff9460e51dddb1b7af0f79eb0ec2c.exe	31
PID 1868 wrote to memory of 2144	1868	JaffaCakes118_7c9ff9460e51dddb1b7af0f79eb0ec2c.exe	31
PID 1868 wrote to memory of 2144	1868	JaffaCakes118_7c9ff9460e51dddb1b7af0f79eb0ec2c.exe	31
PID 1868 wrote to memory of 2144	1868	JaffaCakes118_7c9ff9460e51dddb1b7af0f79eb0ec2c.exe	31
PID 1868 wrote to memory of 2144	1868	JaffaCakes118_7c9ff9460e51dddb1b7af0f79eb0ec2c.exe	31
PID 2144 wrote to memory of 1196	2144	winver.exe	21
PID 2144 wrote to memory of 1116	2144	winver.exe	19
PID 2144 wrote to memory of 1172	2144	winver.exe	20
PID 2144 wrote to memory of 1196	2144	winver.exe	21
PID 2144 wrote to memory of 1192	2144	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:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7c9ff9460e51dddb1b7af0f79eb0ec2c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7c9ff9460e51dddb1b7af0f79eb0ec2c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1868
- - 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:2144

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1192

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/1116-24-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1116-23-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1116-22-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1172-19-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1172-30-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1192-32-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1192-27-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1192-29-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1196-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1196-21-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1196-4-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1196-28-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1868-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1868-13-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/1868-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1868-5-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/1868-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2144-6-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2144-7-0x0000000077C50000-0x0000000077C51000-memory.dmp

Filesize
4KB

Download
memory/2144-8-0x0000000077C4F000-0x0000000077C50000-memory.dmp

Filesize
4KB

Download
memory/2144-9-0x0000000077C4F000-0x0000000077C51000-memory.dmp

Filesize
8KB

Download
memory/2144-11-0x0000000077A50000-0x0000000077BF9000-memory.dmp

Filesize
1.7MB

Download
memory/2144-31-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download