efcc3e0d27010b244563f684d50b801fc819f7359f477f36411fbc9afa112455

General

Target

e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe
Size

271KB
MD5

e839a7ebd4bf4a630749e04cf34e62ad
SHA1

12adba3923291f9d17fda545d7f9e112af184378
SHA256

efcc3e0d27010b244563f684d50b801fc819f7359f477f36411fbc9afa112455
SHA512

45b5e992d88f09b5b30e932f9cd20d40fbea10ecbb6f2a8ad6512de851787e42f778faef76eac478b47c4da53bf87e2e541d716217413a2652be22df872b8fb1
SSDEEP

6144:q+FNvDu5NMsd+mF9gNMrhsgRx2aHNs8DtD1SpUxo:lFxDAdMmF94KZJ+h

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1076	bf74e7c99621aa5a.exe

Executes dropped EXE 2 IoCs

pid	Process
1076	bf74e7c99621aa5a.exe
3012	bf74e7c99621aa5a.exe

Loads dropped DLL 3 IoCs

pid	Process
3000	e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe
3000	e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe
1076	bf74e7c99621aa5a.exe

UPX packed file 33 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3000-1-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3000-10-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-11-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-15-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-73-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-74-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-75-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-76-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-77-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-78-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-79-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-80-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-81-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-82-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-83-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-84-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-85-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-87-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-86-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-88-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-89-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-91-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-90-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-152-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-153-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-155-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-154-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-156-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-157-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-159-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-158-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/3012-161-0x0000000000400000-0x0000000000541000-memory.dmp	upx
behavioral1/memory/1076-160-0x0000000000400000-0x0000000000541000-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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\System Health Monitoring Service Pro = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\bf74e7c99621aa5a.exe\""	bf74e7c99621aa5a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*System Health Monitoring Service Pro = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\bf74e7c99621aa5a.exe\""	bf74e7c99621aa5a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\System Health Monitoring Service Pro = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\bf74e7c99621aa5a.exe\""	bf74e7c99621aa5a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*System Health Monitoring Service Pro = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\bf74e7c99621aa5a.exe\""	bf74e7c99621aa5a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 1076	3000	e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe	28
PID 3000 wrote to memory of 1076	3000	e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe	28
PID 3000 wrote to memory of 1076	3000	e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe	28
PID 3000 wrote to memory of 1076	3000	e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe	28
PID 1076 wrote to memory of 3012	1076	bf74e7c99621aa5a.exe	29
PID 1076 wrote to memory of 3012	1076	bf74e7c99621aa5a.exe	29
PID 1076 wrote to memory of 3012	1076	bf74e7c99621aa5a.exe	29
PID 1076 wrote to memory of 3012	1076	bf74e7c99621aa5a.exe	29

C:\Users\Admin\AppData\Local\Temp\e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Users\Admin\AppData\Local\Temp\bf74e7c99621aa5a.exe
  :*C:\Users\Admin\AppData\Local\Temp\e839a7ebd4bf4a630749e04cf34e62ad_JaffaCakes118.exe *
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1076
- - C:\Users\Admin\AppData\Local\Temp\bf74e7c99621aa5a.exe
    a ZZZZZZYZSTG
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    PID:3012

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

Replay Monitor

Loading Replay Monitor...

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\Tar2821.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
\Users\Admin\AppData\Local\Temp\bf74e7c99621aa5a.exe

Filesize
271KB

MD5
b3ea5bc8989299dbf959986e26ba3edb

SHA1
194c47a2ad1004e1e0ed5696cf91f67a39b51129

SHA256
4c34dd047e4decffb0ccd24e2e5eddaf79ab5c065a72985143a456fb6dc71e1f

SHA512
9703e962fbe1a13c73c13eb0e45f66396061512336b91377e3ec341a62d6dbdf51532d9dbe8817d20df6e4c791ba6b0fc8607db470510827296bbe4100d27aac

Download Submit
memory/1076-75-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-158-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-160-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-88-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-90-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-73-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-84-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-86-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-76-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-11-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-78-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-156-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-80-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-154-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-82-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/1076-152-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3000-1-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3000-0-0x0000000000360000-0x000000000038D000-memory.dmp

Filesize
180KB

Download
memory/3000-10-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-74-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-87-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-89-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-91-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-85-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-83-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-153-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-155-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-81-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-79-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-157-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-159-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-77-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-161-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download
memory/3012-15-0x0000000000400000-0x0000000000541000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads