99b32b5863f456295587a9a32a265cebbbd5feb6f8b8b26a24f89fecf35496bd

General

Target

57174caeb87d8e2e23858309936e58d7_JaffaCakes118.dll
Size

156KB
MD5

57174caeb87d8e2e23858309936e58d7
SHA1

0bb8953b3570a802740893406a1e3a96e296cf7b
SHA256

99b32b5863f456295587a9a32a265cebbbd5feb6f8b8b26a24f89fecf35496bd
SHA512

2a52af33cbe2509abde466a4418fbec15bcffda77fbb6c3da70ddc80788da28555f1d5f28311685b8e15a41176fbc8f04d1a9f33de4bb0d547da6f20543560b4
SSDEEP

1536:kIzKi/Qpnt9WrrO+xqzdYEi9aA9eY5THEhrjUGzBwQJN2otjLGu4yRmWxBP:kIzp/Gt9WvBxqFAR+rQAwQOwnM2z

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 5 IoCs

flow	pid	Process
21	4320	rundll32.exe
28	4320	rundll32.exe
49	4320	rundll32.exe
52	4320	rundll32.exe
65	4320	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4320	rundll32.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5108-2-0x0000000075490000-0x00000000754C1000-memory.dmp	upx
behavioral2/memory/5108-4-0x0000000075490000-0x00000000754C1000-memory.dmp	upx
behavioral2/memory/4320-9-0x0000000075410000-0x0000000075441000-memory.dmp	upx
behavioral2/memory/4320-12-0x0000000075410000-0x0000000075441000-memory.dmp	upx
behavioral2/memory/5108-23-0x0000000075490000-0x00000000754C1000-memory.dmp	upx
behavioral2/memory/4320-28-0x0000000075410000-0x0000000075441000-memory.dmp	upx
behavioral2/memory/4320-60-0x0000000075410000-0x0000000075441000-memory.dmp	upx
behavioral2/memory/4320-153-0x0000000075410000-0x0000000075441000-memory.dmp	upx
behavioral2/memory/4320-178-0x0000000075410000-0x0000000075441000-memory.dmp	upx
behavioral2/memory/4320-195-0x0000000075410000-0x0000000075441000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\PROGRA~3\ecllt7jzf.cpp	rundll32.exe
File created	C:\PROGRA~3\fzj7tllce.fee	rundll32.exe
File opened for modification	C:\PROGRA~3\fzj7tllce.fee	rundll32.exe

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 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 5108	1400	rundll32.exe	84
PID 1400 wrote to memory of 5108	1400	rundll32.exe	84
PID 1400 wrote to memory of 5108	1400	rundll32.exe	84
PID 5108 wrote to memory of 4320	5108	rundll32.exe	86
PID 5108 wrote to memory of 4320	5108	rundll32.exe	86
PID 5108 wrote to memory of 4320	5108	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\57174caeb87d8e2e23858309936e58d7_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\57174caeb87d8e2e23858309936e58d7_JaffaCakes118.dll,#1
  2⤵
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5108
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\PROGRA~3\ecllt7jzf.cpp,XXS1
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    PID:4320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

C:\PROGRA~3\ecllt7jzf.cpp

Filesize
156KB

MD5
57174caeb87d8e2e23858309936e58d7

SHA1
0bb8953b3570a802740893406a1e3a96e296cf7b

SHA256
99b32b5863f456295587a9a32a265cebbbd5feb6f8b8b26a24f89fecf35496bd

SHA512
2a52af33cbe2509abde466a4418fbec15bcffda77fbb6c3da70ddc80788da28555f1d5f28311685b8e15a41176fbc8f04d1a9f33de4bb0d547da6f20543560b4

Download Submit
memory/4320-11-0x000000007542F000-0x0000000075440000-memory.dmp

Filesize
68KB

Download
memory/4320-27-0x000000007542F000-0x0000000075440000-memory.dmp

Filesize
68KB

Download
memory/4320-195-0x0000000075410000-0x0000000075441000-memory.dmp

Filesize
196KB

Download
memory/4320-178-0x0000000075410000-0x0000000075441000-memory.dmp

Filesize
196KB

Download
memory/4320-8-0x0000000001360000-0x0000000001361000-memory.dmp

Filesize
4KB

Download
memory/4320-9-0x0000000075410000-0x0000000075441000-memory.dmp

Filesize
196KB

Download
memory/4320-153-0x0000000075410000-0x0000000075441000-memory.dmp

Filesize
196KB

Download
memory/4320-60-0x0000000075410000-0x0000000075441000-memory.dmp

Filesize
196KB

Download
memory/4320-28-0x0000000075410000-0x0000000075441000-memory.dmp

Filesize
196KB

Download
memory/4320-12-0x0000000075410000-0x0000000075441000-memory.dmp

Filesize
196KB

Download
memory/5108-0-0x00000000012C0000-0x00000000012C1000-memory.dmp

Filesize
4KB

Download
memory/5108-22-0x00000000754AF000-0x00000000754C0000-memory.dmp

Filesize
68KB

Download
memory/5108-23-0x0000000075490000-0x00000000754C1000-memory.dmp

Filesize
196KB

Download
memory/5108-3-0x00000000754AF000-0x00000000754C0000-memory.dmp

Filesize
68KB

Download
memory/5108-2-0x0000000075490000-0x00000000754C1000-memory.dmp

Filesize
196KB

Download
memory/5108-4-0x0000000075490000-0x00000000754C1000-memory.dmp

Filesize
196KB

Download

Analysis

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