4c57481feb4b640b57864d74c24697b911565447bfe9f229585a5d17dea2769f

Analysis

max time kernel
61s
max time network
18s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
12/08/2024, 12:15

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General

Target

8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe
Size

197KB
MD5

8eb57da4194cd7a0e76fdd5d951da8fa
SHA1

b872e0055e1193f48a48717784482bae6171c7b2
SHA256

4c57481feb4b640b57864d74c24697b911565447bfe9f229585a5d17dea2769f
SHA512

dca04b87656899a35f68ab5a02ca4c8f3be459a0a7b8fa8fc948488989faeffd1faa0821ae5f9aa7d4a0b29721c07e53bb34bd9d919d06ee6ce57ade7286f76c
SSDEEP

3072:OF2SRGOYiDEah5u2606Tqa4esT/TCJCKEOcP5/9iIttyB2BSz:OF22ojRnqa3DkvOIiwR0

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
812	Ewuraa.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2504-0-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/files/0x0007000000018703-10.dat	upx
behavioral1/memory/812-13-0x0000000000400000-0x000000000046C000-memory.dmp	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe
File created	C:\Windows\Ewuraa.exe	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe
File opened for modification	C:\Windows\Ewuraa.exe	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Ewuraa.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Ewuraa.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	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ewuraa.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Internet Explorer\Main	Ewuraa.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe
812	Ewuraa.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	2504	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe
Token: SeBackupPrivilege	2504	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2504	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe
812	Ewuraa.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 812	2504	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe	29
PID 2504 wrote to memory of 812	2504	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe	29
PID 2504 wrote to memory of 812	2504	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe	29
PID 2504 wrote to memory of 812	2504	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe	29
PID 2504 wrote to memory of 812	2504	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe	29
PID 2504 wrote to memory of 812	2504	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe	29
PID 2504 wrote to memory of 812	2504	8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\Ewuraa.exe
  C:\Windows\Ewuraa.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of UnmapMainImage
  PID:812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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\Ewuraa.exe

Filesize
197KB

MD5
8eb57da4194cd7a0e76fdd5d951da8fa

SHA1
b872e0055e1193f48a48717784482bae6171c7b2

SHA256
4c57481feb4b640b57864d74c24697b911565447bfe9f229585a5d17dea2769f

SHA512
dca04b87656899a35f68ab5a02ca4c8f3be459a0a7b8fa8fc948488989faeffd1faa0821ae5f9aa7d4a0b29721c07e53bb34bd9d919d06ee6ce57ade7286f76c

Download Submit
C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

Filesize
372B

MD5
775b060c32a145e3ef5fa9151526e8ab

SHA1
cf55062f5614efb7b1e819dd98e7d205fd3953fc

SHA256
de8028c09d74d671035f944b0f25bcb05e3c699f38b479386c76c6a9af43c7a6

SHA512
5c5f9b8d9b21ca7f5843e679153cb04db39798de9fb162e8db91c9d535042621660779e1ffd99487a1bee501f4ee92db4cfb3ee0eb3b53f362041f8d09951980

Download Submit
memory/812-22683-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22675-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22639-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-13-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/812-22647-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22672-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-18-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/812-22651-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22664-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-23-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/812-22691-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22676-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-48260-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/812-22689-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22687-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22685-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22681-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22680-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22640-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22677-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-16-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/812-22670-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22668-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22666-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22663-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22650-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22646-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22644-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22643-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/812-22641-0x0000000001FA0000-0x00000000020A0000-memory.dmp

Filesize
1024KB

Download
memory/2504-3-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2504-0-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2504-48257-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2504-20-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2504-1-0x00000000008D0000-0x000000000093C000-memory.dmp

Filesize
432KB

Download
memory/2504-12-0x0000000000520000-0x000000000058C000-memory.dmp

Filesize
432KB

Download
memory/2504-2-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download