722fd905dc7cdb5c905bae00657f510834efb64e9baa0d0d3edd2e0442e9dd91

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 12:46

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General

Target

3fee7f05762e521ecf41e1e02a5e4f26_JaffaCakes118.exe
Size

179KB
MD5

3fee7f05762e521ecf41e1e02a5e4f26
SHA1

3a4f5449ffe442b6ced6a32fa04859c19632dd06
SHA256

722fd905dc7cdb5c905bae00657f510834efb64e9baa0d0d3edd2e0442e9dd91
SHA512

df8110e74761a3825d1a0d7d52e99cc4db01ef11b6457d702003172760ac54546ad3bbf7c2f0e048d2ac84b56e102844c3d983bfadf6e1a16d32d6fbf76c4697
SSDEEP

3072:Vo/lri4GAA9LnsBrsDMAp87V4g6Duv6Thx9iw7xe1AqBRqNGuVfJExP:e8d8of8tv60seaqBRqNGsJEh

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2248	winvnc.exe

Loads dropped DLL 5 IoCs

pid	Process
2372	3fee7f05762e521ecf41e1e02a5e4f26_JaffaCakes118.exe
2372	3fee7f05762e521ecf41e1e02a5e4f26_JaffaCakes118.exe
2248	winvnc.exe
2248	winvnc.exe
2248	winvnc.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2372-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/2372-33-0x0000000000400000-0x000000000041E000-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	3fee7f05762e521ecf41e1e02a5e4f26_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winvnc.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2248	2372	3fee7f05762e521ecf41e1e02a5e4f26_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2248	2372	3fee7f05762e521ecf41e1e02a5e4f26_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2248	2372	3fee7f05762e521ecf41e1e02a5e4f26_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2248	2372	3fee7f05762e521ecf41e1e02a5e4f26_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2248	2372	3fee7f05762e521ecf41e1e02a5e4f26_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2248	2372	3fee7f05762e521ecf41e1e02a5e4f26_JaffaCakes118.exe	31
PID 2372 wrote to memory of 2248	2372	3fee7f05762e521ecf41e1e02a5e4f26_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\3fee7f05762e521ecf41e1e02a5e4f26_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3fee7f05762e521ecf41e1e02a5e4f26_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\7zSE743.tmp\winvnc.exe
  .\winvnc.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\Users\Admin\AppData\Local\Temp\7zSE743.tmp\background.bmp

Filesize
1KB

MD5
6ce6e5fcf1a56b80f4ffa6f685d4329d

SHA1
91780868c241e83754003855407805c0cda20254

SHA256
6fcc92e281d25569d300297ef79a5796bc5e0c226aa35624dd6a9f38b8413402

SHA512
7af21c8840f56c5ded22161504dd3d6c282ad83a0fb1f711fccfc7d87676de3036120e60e2c0e57fb998a0dcfe512950d3f16e0bdcb493d37a681f31b8cb399f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSE743.tmp\helpdesk.txt

Filesize
2KB

MD5
76401ab893c3e8caa9ef0e441c8e3917

SHA1
e76765dc80438db1a451f6d38f62636a6873a865

SHA256
a3f2ca87f07600ea490b16700404c740266be0e55f1d9ac6c963c61c9d0113cf

SHA512
194dec689f831f412bf17e96f7e647d44018275e0ed70b94395761b92807c3cd6b9d69f10c6d747e32953183c362d0c27f01cd8f90fa8b1021047f3c5ecf2494

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSE743.tmp\logo.bmp

Filesize
103KB

MD5
8af47af535611164352e880641d577ed

SHA1
944e8a7a9fe359e096f6342b691d712d6e4fb91e

SHA256
bdf0b4040e7fd4f08df05bb4ad7248cdc794fc4fa1cb8b306b6c838f3bf3d99f

SHA512
b77981b3da4745590dc5b9bcc4e2e03165cd9501564984f7895612c01dffc0fb59c0d4cf7e1e291a597b5497cd4a504e885562b57c4b91a83d9c1064af4cbd44

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSE743.tmp\winvnc.exe

Filesize
236KB

MD5
77de6bb7c680776fa67a5646072b7fed

SHA1
7f3c35d85c96ff903844feaf1aed010a34119c40

SHA256
50831333c6ba49fc871ca20f4a4778119e24fb975912023fd4c8bfd72b45c191

SHA512
c7e84578ac2ad87c4595496e695f66245910a446aaa54cc2540feed18a0cc6933d88570aa0280749e5ae8374f6643d20e98ca57f6ad437cc3dc6acf916a4bd5a

Download Submit
memory/2372-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2372-2-0x0000000000020000-0x000000000003E000-memory.dmp

Filesize
120KB

Download
memory/2372-1-0x0000000000020000-0x000000000003E000-memory.dmp

Filesize
120KB

Download
memory/2372-33-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2372-34-0x0000000000020000-0x000000000003E000-memory.dmp

Filesize
120KB

Download
memory/2372-35-0x0000000000020000-0x000000000003E000-memory.dmp

Filesize
120KB

Download
memory/2372-36-0x0000000000020000-0x000000000003E000-memory.dmp

Filesize
120KB

Download