aaf919a2e3851aacd5d92162dcb0bf8cb2867a40945fe89009a03bef33b15e26

General

Target

7379266faf938b9800fb485ce1356199_JaffaCakes118.exe
Size

294KB
MD5

7379266faf938b9800fb485ce1356199
SHA1

707a2331f287222389726bcf52c9e07a26f97b81
SHA256

aaf919a2e3851aacd5d92162dcb0bf8cb2867a40945fe89009a03bef33b15e26
SHA512

177d73364fdc9cdf520fe1debf3956704726a4ea209a590b631a05c240b7a85e0abd5617527cb8ba3c317222f040b1a9f3423a8da434a8ab439c51cd90a04dfb
SSDEEP

6144:i2n8sulpr3O5qJDqkS1zTWvpcpP9lzLWtkn:h8suTa5qg4it9l3Wts

Score

7^/10

discovery persistence upx

Malware Config

Signatures

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2780-4-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2780-7-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2780-8-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2780-9-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2780-10-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2780-11-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2780-12-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2780-13-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2780-21-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2780-22-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2780-28-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2780-30-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2780-31-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2780-35-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2780-37-0x0000000000400000-0x0000000000484000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\PSG = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe /cs:1 "	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\PSG = "\"C:\\ProgramData\\97fe0b\\PS97f_2121.exe\" /s"	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe

Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Eset\Nod\	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2780	2764	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2696	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	taskkill.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 2780	2764	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe	30
PID 2764 wrote to memory of 2780	2764	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe	30
PID 2764 wrote to memory of 2780	2764	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe	30
PID 2764 wrote to memory of 2780	2764	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe	30
PID 2764 wrote to memory of 2780	2764	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe	30
PID 2764 wrote to memory of 2780	2764	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe	30
PID 2780 wrote to memory of 2696	2780	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe	31
PID 2780 wrote to memory of 2696	2780	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe	31
PID 2780 wrote to memory of 2696	2780	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe	31
PID 2780 wrote to memory of 2696	2780	7379266faf938b9800fb485ce1356199_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764
- C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - Checks for any installed AV software in registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill.exe /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Software Discovery

1

T1518

Security Software Discovery

1

T1518.001

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2764-5-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2780-11-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-13-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-7-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-8-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-9-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-10-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-0-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-4-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-21-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-12-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-22-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-28-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-30-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-31-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-35-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2780-37-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads