8d772143b4313046d4cb32e31f4b3f589009a79916ab25ec3b5d1fe92ebbddfb

General

Target

f6398be837e5dfebfc7f7a5c2dc20345_JaffaCakes118.exe
Size

271KB
MD5

f6398be837e5dfebfc7f7a5c2dc20345
SHA1

a84eec10b297355930524fc4ce5e8b4fe6f50806
SHA256

8d772143b4313046d4cb32e31f4b3f589009a79916ab25ec3b5d1fe92ebbddfb
SHA512

ebba31e095c61f8b826425f02777630422ca7e415fa5dcdd1f0a577b0142fb29cec43ccc7e69532bdcee106e1d798be952fd5dbcf30ff9de77cc0639f018007e
SSDEEP

6144:q+FNvDu5NMsd+mF9gNMrhsgRx2aHNs8DtD1SpUxD:lFxDAdMmF94KZJ+i

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3040	72d359509d3a434d.exe

Executes dropped EXE 2 IoCs

pid	Process
3040	72d359509d3a434d.exe
2764	72d359509d3a434d.exe

Loads dropped DLL 3 IoCs

pid	Process
2944	f6398be837e5dfebfc7f7a5c2dc20345_JaffaCakes118.exe
2944	f6398be837e5dfebfc7f7a5c2dc20345_JaffaCakes118.exe
3040	72d359509d3a434d.exe

UPX packed file 33 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2944-9-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2944-4-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-11-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-15-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-73-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-74-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-75-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-76-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-77-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-78-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-79-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-80-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-81-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-82-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-83-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-84-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-85-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-87-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-86-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-89-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-88-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-91-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-90-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-152-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-153-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-154-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-155-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-156-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-157-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-158-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-159-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3040-160-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/2764-161-0x0000000000400000-0x0000000000541000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\System Health Monitoring Service Pro = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\72d359509d3a434d.exe\""	72d359509d3a434d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*System Health Monitoring Service Pro = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\72d359509d3a434d.exe\""	72d359509d3a434d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\System Health Monitoring Service Pro = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\72d359509d3a434d.exe\""	72d359509d3a434d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*System Health Monitoring Service Pro = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\72d359509d3a434d.exe\""	72d359509d3a434d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 3040	2944	f6398be837e5dfebfc7f7a5c2dc20345_JaffaCakes118.exe	28
PID 2944 wrote to memory of 3040	2944	f6398be837e5dfebfc7f7a5c2dc20345_JaffaCakes118.exe	28
PID 2944 wrote to memory of 3040	2944	f6398be837e5dfebfc7f7a5c2dc20345_JaffaCakes118.exe	28
PID 2944 wrote to memory of 3040	2944	f6398be837e5dfebfc7f7a5c2dc20345_JaffaCakes118.exe	28
PID 3040 wrote to memory of 2764	3040	72d359509d3a434d.exe	29
PID 3040 wrote to memory of 2764	3040	72d359509d3a434d.exe	29
PID 3040 wrote to memory of 2764	3040	72d359509d3a434d.exe	29
PID 3040 wrote to memory of 2764	3040	72d359509d3a434d.exe	29

C:\Users\Admin\AppData\Local\Temp\f6398be837e5dfebfc7f7a5c2dc20345_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f6398be837e5dfebfc7f7a5c2dc20345_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Users\Admin\AppData\Local\Temp\72d359509d3a434d.exe
  :*C:\Users\Admin\AppData\Local\Temp\f6398be837e5dfebfc7f7a5c2dc20345_JaffaCakes118.exe *
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Users\Admin\AppData\Local\Temp\72d359509d3a434d.exe
    a ZZZZZZWZVZG
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    PID:2764

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\72d359509d3a434d.exe

Filesize
271KB

MD5
75212f326be3f0ab75af87b0f8fbe6fa

SHA1
33dfee226899e0041ddc18c840926e2abbfe0e48

SHA256
8ffd75394655af2219d6f6f6b3aab05014b043f93ab6ce92a5b97778bab3064f

SHA512
541907a8919dc171b334484ea1ae83fcbfb7ff699fc9e3afd24987524dd4d82c4b2acb3494e09c4ceebee063e3b4900156ef4e5a62916a20af035eb8cccd76e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1462.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
memory/2764-83-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2764-153-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2764-15-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2764-161-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2764-159-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2764-157-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2764-74-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2764-155-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2764-76-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2764-91-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2764-87-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2764-79-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2764-89-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2764-81-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2764-85-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2944-0-0x0000000000550000-0x000000000057D000-memory.dmp

Filesize
180KB

Download
memory/2944-4-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/2944-9-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-86-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-84-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-80-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-88-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-90-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-78-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-154-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-77-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-152-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-75-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-156-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-73-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-158-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-82-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-160-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3040-11-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads