mydoom | a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2

General

Target

a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe
Size

29KB
MD5

f6d26f3ef2a91c7234af32d3141c6e60
SHA1

148b73a35b876a8f7b27bfb2ceaf19d32314856f
SHA256

a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2
SHA512

03ca5b394f00211a5f1d67b4d32ae73a41495b986df0cb2a39d773ead322f00364803a17bd2541b1e411287ee7d1b146b1a81adaa3850df895265e80726e5d15
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/T:AEwVs+0jNDY1qi/qL

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral2/memory/4968-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4968-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4968-136-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

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

Executes dropped EXE 1 IoCs

pid	Process
1236	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"	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4968-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023ca4-4.dat	upx
behavioral2/memory/1236-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4968-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1236-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1236-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1236-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1236-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1236-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1236-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1236-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1236-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1236-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1236-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4968-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1236-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0006000000000034-65.dat	upx
behavioral2/memory/4968-136-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1236-137-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe
File opened for modification	C:\Windows\java.exe	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe
File created	C:\Windows\java.exe	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.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	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 1236	4968	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe	82
PID 4968 wrote to memory of 1236	4968	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe	82
PID 4968 wrote to memory of 1236	4968	a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe	82

C:\Users\Admin\AppData\Local\Temp\a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe
"C:\Users\Admin\AppData\Local\Temp\a3cff3547ebbd32c1d7ad7f147631197500e8fabedcb87b3bc3c447530d902f2N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4968
- 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:1236

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\Microsoft\Windows\INetCache\IE\0TSRVAPX\search[1].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5694.tmp

Filesize
29KB

MD5
f0745108a825a12a1508a6845621d6c4

SHA1
efc17e8c6cb5b8979c2c09e55fc6e6f7f8e84624

SHA256
f4b727497759bba2bdf48ca46f144bcb569e8c618ececcfde24553676004099b

SHA512
cfeb110c8d485d2328f14b57062ada9e72ccf7bc178feae78b044232ee987f18e3cd647889a83a775c65500df287fdaab7c3a89ed2fc79878451ae9054e671c4

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

Filesize
320B

MD5
d598376126a364c4e6a06b3c9cede213

SHA1
e395e0938e45e23da8da4fb38f1f044fe5d830dc

SHA256
44ee624561ac54c9da5bac2dd5ae55b8080803117432ad734ede9cdc41e504cb

SHA512
168ecdab8e42cb3df46608920ffe7ca2ae2a80c85a029b5715852017802ff173b5af90a55f33c76a6fe8de833c578ed47bd3703daaab27cf94beb71551524d3a

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1236-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-137-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4968-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4968-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4968-136-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4968-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads