tinba | b793758547c3b10de50b7083faea4986af5bceda03d05a0788cc58024e22694b

Analysis

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

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 00:45

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General

Target

27ee51008c367487617a406a1dde067b_JaffaCakes118.exe
Size

160KB
MD5

27ee51008c367487617a406a1dde067b
SHA1

ddcafd656d35b545190f1eb744e70e03988c4de0
SHA256

b793758547c3b10de50b7083faea4986af5bceda03d05a0788cc58024e22694b
SHA512

f2cd90abc5f3e4b9b36d73f368ef2a1b11c78d4addd7c021b3c5c9bff0682808180030d8c8498ab81df40c6a67bac36fcaf014de358ca23bee1f71cf1da2116a
SSDEEP

1536:YEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:bY+4MiIkLZJNAQ9J6v

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

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\F2F56C8D = "C:\\Users\\Admin\\AppData\\Roaming\\F2F56C8D\\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/2976-0-0x0000000000400000-0x0000000000428000-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	27ee51008c367487617a406a1dde067b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2516	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2516	2976	27ee51008c367487617a406a1dde067b_JaffaCakes118.exe	31
PID 2976 wrote to memory of 2516	2976	27ee51008c367487617a406a1dde067b_JaffaCakes118.exe	31
PID 2976 wrote to memory of 2516	2976	27ee51008c367487617a406a1dde067b_JaffaCakes118.exe	31
PID 2976 wrote to memory of 2516	2976	27ee51008c367487617a406a1dde067b_JaffaCakes118.exe	31
PID 2976 wrote to memory of 2516	2976	27ee51008c367487617a406a1dde067b_JaffaCakes118.exe	31
PID 2516 wrote to memory of 1180	2516	winver.exe	21
PID 2516 wrote to memory of 1108	2516	winver.exe	19
PID 2516 wrote to memory of 1152	2516	winver.exe	20
PID 2516 wrote to memory of 1180	2516	winver.exe	21
PID 2516 wrote to memory of 464	2516	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\27ee51008c367487617a406a1dde067b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\27ee51008c367487617a406a1dde067b_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2976
- - 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:2516

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:464

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/464-25-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/464-37-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/464-31-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/464-29-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/464-32-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1108-27-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1108-26-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1152-21-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1152-28-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1180-23-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1180-10-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1180-2-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1180-30-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1180-3-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1180-4-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/2516-11-0x0000000077470000-0x0000000077619000-memory.dmp

Filesize
1.7MB

Download
memory/2516-33-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2516-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2516-7-0x0000000077670000-0x0000000077671000-memory.dmp

Filesize
4KB

Download
memory/2516-8-0x000000007766F000-0x0000000077670000-memory.dmp

Filesize
4KB

Download
memory/2516-9-0x000000007766F000-0x0000000077671000-memory.dmp

Filesize
8KB

Download
memory/2976-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2976-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2976-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2976-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2976-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download