mydoom | 51cf9a006b00e29fad60f3af4c6af6ae1be8621e5c40525b50610d72326412d1

General

Target

JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe
Size

40KB
MD5

77c9cf107bc34963742311aa800d8ce6
SHA1

6bdc4d4f9e880ab4de17601d198ca4f6ea0f0a46
SHA256

51cf9a006b00e29fad60f3af4c6af6ae1be8621e5c40525b50610d72326412d1
SHA512

8ad3703dab0c7e82349aa2c71c74aa69f1c3420a5b31fbc47c0274ec04b1fc34c42a096beb4baa10eaafee41e6b850a23911360aeeb4db663fdd793fff1450e5
SSDEEP

768:aq9m/ZsybSg2ts4L3RLc/qjhsKmHbk1+qJ0UtHs:aqk/Zdic/qjh8w19JDHs

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral1/memory/2084-0-0x0000000000500000-0x000000000050D000-memory.dmp	family_mydoom
behavioral1/files/0x00350000000186dd-45.dat	family_mydoom

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

Executes dropped EXE 1 IoCs

pid	Process
2672	services.exe

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\JavaVM = "C:\\Windows\\java.exe"	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2084-4-0x0000000000270000-0x0000000000278000-memory.dmp	upx
behavioral1/files/0x0007000000018780-7.dat	upx
behavioral1/memory/2672-10-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-17-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-22-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-27-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-35-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-36-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-58-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-62-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-66-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-67-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2672-71-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\java.exe	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe
File created	C:\Windows\services.exe	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe
File opened for modification	C:\Windows\java.exe	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.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	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2672	2084	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe	30
PID 2084 wrote to memory of 2672	2084	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe	30
PID 2084 wrote to memory of 2672	2084	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe	30
PID 2084 wrote to memory of 2672	2084	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084
- 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:2672

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9627.tmp

Filesize
40KB

MD5
5f3fc835dc721277ae7f9c1fd1c9f31a

SHA1
e50a9b9bc353dbc2feaed6e89edb407c377fb2ed

SHA256
1062eb61d9126750736ddcb130f84008e9aae9069614da522a24821dfdd6bbb0

SHA512
8724108f596956db6a58cc7abd3d88ed2608e43a5289fc7494a9a981af54c427eb2f51329964d8e39d61c9f466c84200fdfa0bd4add826f5873bc9c8ce48fd2d

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

Filesize
1KB

MD5
69708802be2320bf47f9c39a1a148ee0

SHA1
16118e233e48b749b552e536acbbfa8f55094a14

SHA256
726b85a64af5c652576d6d45823749eeb6a4f2809797e708dbb2a056b3e7e0f7

SHA512
ef7b0a537dcb7b647b63c2029b5fc0061cbd4a5527a6ed8a58d72a949e15f536d50296b56beeccb5a87053a3ad2e4408c76e3e167a92189a8049804dad24fbbc

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2084-16-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/2084-0-0x0000000000500000-0x000000000050D000-memory.dmp

Filesize
52KB

Download
memory/2084-4-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/2672-36-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-27-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-35-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-58-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-62-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-66-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-67-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2672-71-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads