mydoom | f931de131e49975a3d35f2f7e55cce0155c452865c0374dbf324c14f912b8bef

General

Target

f931de131e49975a3d35f2f7e55cce0155c452865c0374dbf324c14f912b8befN.exe
Size

40KB
MD5

4fcfc23a1564eb75c58c3f4519c43b30
SHA1

ac900857d78a057f1ccb5803b573527bd82ba5b9
SHA256

f931de131e49975a3d35f2f7e55cce0155c452865c0374dbf324c14f912b8bef
SHA512

2bf0267a80bfbea5ab4d5eeeb5ec74a7376b7e3aedce53306c01356aa3fc160cc40338d22be0bfa8f0d261afd6de28598ba69bb40e37c0c88bf563ed572af14c
SSDEEP

768:5q9m/ZsybSg2ts4L3RLc/qjhsKmHbk1+qJ0UtHehO:5qk/Zdic/qjh8w19JDHehO

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 1 IoCs

resource	yara_rule
behavioral2/files/0x0003000000021f51-48.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
4216	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"	f931de131e49975a3d35f2f7e55cce0155c452865c0374dbf324c14f912b8befN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4216-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x000b000000023b6f-3.dat	upx
behavioral2/memory/4216-12-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4216-13-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4216-17-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4216-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4216-22-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4216-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4216-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4216-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4216-35-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4216-94-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4216-149-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4216-152-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\java.exe	f931de131e49975a3d35f2f7e55cce0155c452865c0374dbf324c14f912b8befN.exe
File created	C:\Windows\java.exe	f931de131e49975a3d35f2f7e55cce0155c452865c0374dbf324c14f912b8befN.exe
File created	C:\Windows\services.exe	f931de131e49975a3d35f2f7e55cce0155c452865c0374dbf324c14f912b8befN.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	f931de131e49975a3d35f2f7e55cce0155c452865c0374dbf324c14f912b8befN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 4216	4964	f931de131e49975a3d35f2f7e55cce0155c452865c0374dbf324c14f912b8befN.exe	83
PID 4964 wrote to memory of 4216	4964	f931de131e49975a3d35f2f7e55cce0155c452865c0374dbf324c14f912b8befN.exe	83
PID 4964 wrote to memory of 4216	4964	f931de131e49975a3d35f2f7e55cce0155c452865c0374dbf324c14f912b8befN.exe	83

C:\Users\Admin\AppData\Local\Temp\f931de131e49975a3d35f2f7e55cce0155c452865c0374dbf324c14f912b8befN.exe
"C:\Users\Admin\AppData\Local\Temp\f931de131e49975a3d35f2f7e55cce0155c452865c0374dbf324c14f912b8befN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4964
- 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:4216

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\FQRZN8O7\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD649.tmp

Filesize
40KB

MD5
3d7a13d68115549e978473538eac81f4

SHA1
c770656bc37a6d8bf02bfa3ee55a63e546d38a74

SHA256
768f4c6d0e788a4e492100bf6930379b4b0430c0f343f94984eb10d8ecf6f561

SHA512
cfe2b750f2ab43ade92da974a9b88dfe1415d134b1f9d7cd36991e636ec70a23218a0aa0e15d7545ff9c9e8242fcf0a58a2cfb2354984cae5d902094acc9fe89

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

Filesize
1KB

MD5
42d9b1b05cab374d1325b40ca6622a67

SHA1
6e082227ab05d9b03a04bb8c98d998bfb6743526

SHA256
b8c20917d4c88ededccc56e8f319ce0105af2657f44fc454add362b1ad083b54

SHA512
060573c156686ab77f261463cd32af649e07ef09dd1cc491b0b2c6f18ea960a0a7855a1ea5012f7c5eebfff8abb1d543fdb25eccaf37f890c2dc7a2b9ce01b1d

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

Filesize
1KB

MD5
1d817bbf38f0b55bff1bd1d1da556f86

SHA1
be229597ad1e4a329db52ee3085decddc8c3fda4

SHA256
1a1453559572cdb2647dde6247170f15c6ec16690da9106979e51f33cb3e43af

SHA512
049b1bf42217451c2f5f3616fed60bddffa08a3485f7fc071304ec1ff8f06a708d17882693bf07c5788856b272819e093bc814be9da4137b00702a03e526e396

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/4216-13-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4216-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4216-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4216-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4216-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4216-35-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4216-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4216-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4216-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4216-94-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4216-12-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4216-149-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4216-152-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads