1c592316b5bd135e2d112cfac574ab292bef7f30fcaa6641fdb5c21614e9b0e9

Analysis

max time kernel
134s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 08:48

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General

Target

b2d123e087cafe05292daa5279897439_JaffaCakes118.exe
Size

86KB
MD5

b2d123e087cafe05292daa5279897439
SHA1

b677a55377a1a1fe2524d50361e19ea66259b34c
SHA256

1c592316b5bd135e2d112cfac574ab292bef7f30fcaa6641fdb5c21614e9b0e9
SHA512

47486f04164ef761d2757d6079b5ccd62d1658c3e0de002e9185f1d09cc8e6032f0e2b59319dc723b84760db9c6f58b73fb31c9846bbd00275d6cf6c8f38c6a0
SSDEEP

1536:02PXEmAiRm2VfvmNFnToIf6HTRLar5ZaNrWK90BeNbm:D9Vfv6tTBfoTRLar5ZaNrWK90ibm

Score

7^/10

defense_evasion discovery upx

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
4144	b2d123e087cafe05292daa5279897439_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4144-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral2/memory/4144-7-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\RwmbtwC.dll	b2d123e087cafe05292daa5279897439_JaffaCakes118.exe

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	b2d123e087cafe05292daa5279897439_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4144	b2d123e087cafe05292daa5279897439_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4144 wrote to memory of 5108	4144	b2d123e087cafe05292daa5279897439_JaffaCakes118.exe	84
PID 4144 wrote to memory of 5108	4144	b2d123e087cafe05292daa5279897439_JaffaCakes118.exe	84
PID 4144 wrote to memory of 5108	4144	b2d123e087cafe05292daa5279897439_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\b2d123e087cafe05292daa5279897439_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b2d123e087cafe05292daa5279897439_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4144
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\B2D123~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

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:\Windows\SysWOW64\RwmbtwC.dll

Filesize
60KB

MD5
a52b7ba3a2d0f625b499a752e345eb80

SHA1
1d43232c1636c1d10cad1c12de0fab3f8791270c

SHA256
079cc1e4beac5e8081a7c8fea420ca52c5ebaf0d8aebb63fa0eb6b957d2d9708

SHA512
d421cb2e0cb8f8f9ea49919f8c50fdc8095ef9c589c008628de4337c557b7f0168cdc90ee0d89f87ae1c5236e8a67be0cfc842cc965e3e154b7169c6effd2655

Download Submit
memory/4144-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4144-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download