0921770cc6ad088777f6e5283fa919c4c3308dd9ecd0d06b4294ebc88296aa6f

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23-07-2024 17:16

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General

Target

687dae02c30f80484f8859906a142ac1_JaffaCakes118.exe
Size

20KB
MD5

687dae02c30f80484f8859906a142ac1
SHA1

b1c73cf06bc86769ca6a7bf865cec351878bf5de
SHA256

0921770cc6ad088777f6e5283fa919c4c3308dd9ecd0d06b4294ebc88296aa6f
SHA512

b01f57f6409877ea095e0e4e953b1067913eee3b8895897b316feb23fa6626b6ebf55c3527fac1fc58aaf269157b932df512965dcc95a4f7bd6e33aa51e8f6a7
SSDEEP

384:UborOhEU6D69EgsgQYnSpy2O8BYQA+5Thv4iUi1dQRRD4XCPkHL7o9tv3VPzQYh/:UboKO3sYgeO8BTAg9v4yIkSP8LgV8Yhg

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1144	service.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4576-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/files/0x00090000000233dc-2.dat	upx
behavioral2/memory/1144-4-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/4576-6-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/1144-7-0x0000000000400000-0x0000000000412000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\service.exe	687dae02c30f80484f8859906a142ac1_JaffaCakes118.exe
File opened for modification	C:\Program Files\Common Files\System\service.exe	687dae02c30f80484f8859906a142ac1_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	687dae02c30f80484f8859906a142ac1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	service.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4576	687dae02c30f80484f8859906a142ac1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 2900	4576	687dae02c30f80484f8859906a142ac1_JaffaCakes118.exe	85
PID 4576 wrote to memory of 2900	4576	687dae02c30f80484f8859906a142ac1_JaffaCakes118.exe	85
PID 4576 wrote to memory of 2900	4576	687dae02c30f80484f8859906a142ac1_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\687dae02c30f80484f8859906a142ac1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\687dae02c30f80484f8859906a142ac1_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\687DAE~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2900

C:\Program Files\Common Files\System\service.exe
"C:\Program Files\Common Files\System\service.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1144

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:\Program Files\Common Files\System\service.exe

Filesize
20KB

MD5
687dae02c30f80484f8859906a142ac1

SHA1
b1c73cf06bc86769ca6a7bf865cec351878bf5de

SHA256
0921770cc6ad088777f6e5283fa919c4c3308dd9ecd0d06b4294ebc88296aa6f

SHA512
b01f57f6409877ea095e0e4e953b1067913eee3b8895897b316feb23fa6626b6ebf55c3527fac1fc58aaf269157b932df512965dcc95a4f7bd6e33aa51e8f6a7

Download Submit
memory/1144-4-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1144-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4576-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4576-6-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download