bd3028764d71a2b618020c93efc84bf3254587063e0037d6e667b81f3697274d

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 16:31

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General

Target

86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe
Size

13KB
MD5

86cf96a102709afda15710cfbfd00019
SHA1

deca5a44083ffb68eb2b7f87afb6eacbd364fd3c
SHA256

bd3028764d71a2b618020c93efc84bf3254587063e0037d6e667b81f3697274d
SHA512

816138e7fcdb2632c92ecf3a62a978ddd97e9343202477053069ddb6dd82bba80ab10c8769068c0ce697973194c8cf537d78e086d3a188021d8fd9a584975f8d
SSDEEP

384:peoiXE6cletE9EijfZETgknvJ4YA0MuxikDg:ViU19EiZ+gkvOYldw

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
2024	baccopsk.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1768-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/files/0x00070000000234bf-4.dat	upx
behavioral2/memory/2024-6-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/1768-7-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/2024-23-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\baccops.dll	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\baccopsk.exe	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\baccopsk.exe	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	baccopsk.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2024	1768	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe	85
PID 1768 wrote to memory of 2024	1768	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe	85
PID 1768 wrote to memory of 2024	1768	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe	85
PID 1768 wrote to memory of 2152	1768	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe	96
PID 1768 wrote to memory of 2152	1768	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe	96
PID 1768 wrote to memory of 2152	1768	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe	96

C:\Users\Admin\AppData\Local\Temp\86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Windows\SysWOW64\baccopsk.exe
  C:\Windows\system32\baccopsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2024
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe.bat

Filesize
210B

MD5
a546941ff9a2c74318e466d9e6a8299c

SHA1
06c0cffe0432446f59508a5ab4cb53db2e6fc0a2

SHA256
df3f76bc43375e82d4b095fd267a854419081d5a91f8d303bb75ea1af651b53c

SHA512
16a9a82f80da5f95b1cce984401ec65265d7a99f96a0648ff2f8ef7a4022bced24920d343d827c8bab6d0b7306cd1d605676fda00dab05c47655d3db72233827

Download Submit
C:\Windows\SysWOW64\baccopsk.exe

Filesize
13KB

MD5
86cf96a102709afda15710cfbfd00019

SHA1
deca5a44083ffb68eb2b7f87afb6eacbd364fd3c

SHA256
bd3028764d71a2b618020c93efc84bf3254587063e0037d6e667b81f3697274d

SHA512
816138e7fcdb2632c92ecf3a62a978ddd97e9343202477053069ddb6dd82bba80ab10c8769068c0ce697973194c8cf537d78e086d3a188021d8fd9a584975f8d

Download Submit
memory/1768-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1768-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2024-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2024-23-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download