bdfb6324390e08d3d1f3c4578ba68823b60a83acdd40ecd979592872614e0e79

General

Target

40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe
Size

361KB
MD5

40a98b34e7dfbdce30c314b49c6306cd
SHA1

82687a86bca60c019487569901aae67b4aa2aa3b
SHA256

bdfb6324390e08d3d1f3c4578ba68823b60a83acdd40ecd979592872614e0e79
SHA512

088856bf75abb556334791e56cf8480371a047094de61788896153b30af6fe2fc7e1c8baa429897fb709000e7717bfaae6e67f75d5018dfcbce565ba3d4708a3
SSDEEP

6144:0gFtwdFTKeeyjxfpyjFmnuNxJQQgVGQ6SNnNVoR6HyuPU9ksPctKJUS4q/lb:3FWd9TywuP8VcR6SoUCY6S4Ub

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2872-7-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2872-4-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2872-8-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2872-9-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2872-10-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2872-11-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2872-12-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2872-13-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2872-21-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2872-22-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2872-27-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2872-29-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2872-31-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2872-37-0x0000000000400000-0x0000000000484000-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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\PSG = "C:\\Users\\Admin\\AppData\\Local\\Temp\\40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe /cs:1 "	40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\PSG = "\"C:\\ProgramData\\675443\\PS675_2208.exe\" /s"	40a98b34e7dfbdce30c314b49c6306cd_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\	40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2844 set thread context of 2872	2844	40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe	30

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2704	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	taskkill.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2872	2844	40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe	30
PID 2844 wrote to memory of 2872	2844	40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe	30
PID 2844 wrote to memory of 2872	2844	40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe	30
PID 2844 wrote to memory of 2872	2844	40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe	30
PID 2844 wrote to memory of 2872	2844	40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe	30
PID 2844 wrote to memory of 2872	2844	40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe	30
PID 2872 wrote to memory of 2704	2872	40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe	31
PID 2872 wrote to memory of 2704	2872	40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe	31
PID 2872 wrote to memory of 2704	2872	40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe	31
PID 2872 wrote to memory of 2704	2872	40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Users\Admin\AppData\Local\Temp\40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\Temp\40a98b34e7dfbdce30c314b49c6306cd_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - Checks for any installed AV software in registry
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill.exe /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2704

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2844-5-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2872-11-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2872-13-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2872-4-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2872-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2872-8-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2872-9-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2872-7-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2872-10-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2872-12-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2872-1-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2872-21-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2872-22-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2872-27-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2872-29-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2872-31-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2872-37-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads