mydoom | 234d54ec8786f9acf7027ff9e30e38d6f688672a85094a1dd1bc1cc18a5b6291

General

Target

c8c15b8c239cba96a49b3b5b72bedf4a_JaffaCakes118.exe
Size

40KB
MD5

c8c15b8c239cba96a49b3b5b72bedf4a
SHA1

33042ee02f6b3fc82940a9787f02c32939b0a787
SHA256

234d54ec8786f9acf7027ff9e30e38d6f688672a85094a1dd1bc1cc18a5b6291
SHA512

b06a534516f7463e9319ec36df0b5bd50e8e8c72c4ee62818ffb06cffc671e2c7cea540a14e53d63160f24869e0da513c60d897794b6f06b24a0062dd5268afb
SSDEEP

768:aq9m/ZsybSg2ts4L3RLc/qjhsKmHbk1+qJ0UtH58:aqk/Zdic/qjh8w19JDH58

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral2/memory/1444-0-0x0000000000500000-0x000000000050D000-memory.dmp	family_mydoom
behavioral2/files/0x000a000000023378-50.dat	family_mydoom

MyDoom
MyDoom is a Worm that is written in C++.
worm mydoom

Executes dropped EXE 1 IoCs

pid	Process
2336	services.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00070000000235d5-4.dat	upx
behavioral2/memory/2336-6-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-13-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-14-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-22-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-23-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-27-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-41-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-110-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-152-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2336-155-0x0000000000400000-0x0000000000408000-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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	c8c15b8c239cba96a49b3b5b72bedf4a_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	c8c15b8c239cba96a49b3b5b72bedf4a_JaffaCakes118.exe
File opened for modification	C:\Windows\java.exe	c8c15b8c239cba96a49b3b5b72bedf4a_JaffaCakes118.exe
File created	C:\Windows\java.exe	c8c15b8c239cba96a49b3b5b72bedf4a_JaffaCakes118.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	c8c15b8c239cba96a49b3b5b72bedf4a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 2336	1444	c8c15b8c239cba96a49b3b5b72bedf4a_JaffaCakes118.exe	93
PID 1444 wrote to memory of 2336	1444	c8c15b8c239cba96a49b3b5b72bedf4a_JaffaCakes118.exe	93
PID 1444 wrote to memory of 2336	1444	c8c15b8c239cba96a49b3b5b72bedf4a_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\c8c15b8c239cba96a49b3b5b72bedf4a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c8c15b8c239cba96a49b3b5b72bedf4a_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Windows\services.exe
  "C:\Windows\services.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2336

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4340,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=1904 /prefetch:8
1⤵
PID:4832

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

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:\Users\Admin\AppData\Local\Temp\tmp321D.tmp

Filesize
40KB

MD5
c1e9615b1d29200703f15763d080bc0d

SHA1
5250afcd4b0868abe57f712a849b05ea717cd40b

SHA256
eeb42e8ea74fe23e0cd22a2af2574eaaac59c2b5f2cabb1ffae4b375c6113741

SHA512
05c22df715a9864f8c775947a599e0c5c4d2330e6bf6583be47adb4971826a9664ba4953fb21b4e5d42086be9895c93e5d47fd03c3bc3cd82020e2c770259992

Download Submit
C:\Users\Admin\AppData\Local\Temp\zincite.log

Filesize
1KB

MD5
f611295c5c5fb23735c7babce34af752

SHA1
3c98e5db9ae85ca1c7991787e4bbbe4a362a0f04

SHA256
80b4b8fdd451648d6290376261bc7fc15ecf9117e1b5eb6dc2eab0b941fe0b2f

SHA512
e5ccbe889f039f2c4b35045f0c3abb0f4eb04ae090bd990fda0edc913412e175ac34f635866bd62d32743dba1c7cb7a6e3868749912d196b58f7b6b928d944e0

Download Submit
C:\Users\Admin\AppData\Local\Temp\zincite.log

Filesize
1KB

MD5
025daf1c385a130386146fe58decd925

SHA1
608a404e2c60d8be477bd45ead0b816117fa9b21

SHA256
950836b9108af175c9b7aa1a37a4f8fc487150bc3415597e9779ec7dc618096d

SHA512
64f4182c17247bf3d912304a58b357e59aff1c5bbe9b616730b6535594e87a0f47eed8b855d18457999de4256e70f46b986b7b839e63762ef1347e3bb67d9ab4

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1444-0-0x0000000000500000-0x000000000050D000-memory.dmp

Filesize
52KB

Download
memory/2336-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-23-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-27-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-41-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-14-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-13-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-110-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-6-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-152-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2336-155-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads