mydoom | f76339c3bd5bd1f806d237fd3c5b1cbbd2b5113763c6fa085d7fcec820d97e7a

General

Target

f76339c3bd5bd1f806d237fd3c5b1cbbd2b5113763c6fa085d7fcec820d97e7aN.exe
Size

29KB
MD5

1e0b9bdd5fbdfef2561d50ce3093ce60
SHA1

0626ac81e5bc6f06995deefe946215dbf48b505c
SHA256

f76339c3bd5bd1f806d237fd3c5b1cbbd2b5113763c6fa085d7fcec820d97e7a
SHA512

9c2e1f8ef8af6a48ee25c2b5e26d1a2d50a781d47c6950e960a59179ae0e650945b26b28433be63a02d0f69e293509ddc7c212aa255bc5b89bfdbc12b74f3255
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/2:AEwVs+0jNDY1qi/qO

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral2/memory/2968-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/2968-56-0x0000000000500000-0x0000000000510200-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
1700	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"	f76339c3bd5bd1f806d237fd3c5b1cbbd2b5113763c6fa085d7fcec820d97e7aN.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
behavioral2/memory/2968-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000b000000023b9c-4.dat	upx
behavioral2/memory/1700-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2968-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1700-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1700-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1700-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1700-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1700-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1700-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1700-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1700-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1700-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1700-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/1700-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2968-56-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/1700-57-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0006000000000034-67.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	f76339c3bd5bd1f806d237fd3c5b1cbbd2b5113763c6fa085d7fcec820d97e7aN.exe
File opened for modification	C:\Windows\java.exe	f76339c3bd5bd1f806d237fd3c5b1cbbd2b5113763c6fa085d7fcec820d97e7aN.exe
File created	C:\Windows\java.exe	f76339c3bd5bd1f806d237fd3c5b1cbbd2b5113763c6fa085d7fcec820d97e7aN.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	f76339c3bd5bd1f806d237fd3c5b1cbbd2b5113763c6fa085d7fcec820d97e7aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 1700	2968	f76339c3bd5bd1f806d237fd3c5b1cbbd2b5113763c6fa085d7fcec820d97e7aN.exe	82
PID 2968 wrote to memory of 1700	2968	f76339c3bd5bd1f806d237fd3c5b1cbbd2b5113763c6fa085d7fcec820d97e7aN.exe	82
PID 2968 wrote to memory of 1700	2968	f76339c3bd5bd1f806d237fd3c5b1cbbd2b5113763c6fa085d7fcec820d97e7aN.exe	82

C:\Users\Admin\AppData\Local\Temp\f76339c3bd5bd1f806d237fd3c5b1cbbd2b5113763c6fa085d7fcec820d97e7aN.exe
"C:\Users\Admin\AppData\Local\Temp\f76339c3bd5bd1f806d237fd3c5b1cbbd2b5113763c6fa085d7fcec820d97e7aN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968
- 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:1700

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\9PMCFZKU\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4A40.tmp

Filesize
29KB

MD5
ee0c3e4ee9c2ced685e0b164e4802371

SHA1
908510b8454aaa045f6af83db828bf7269e9bb4b

SHA256
e573b210c3685f19674036944cb5c9a7abe9dd98589f274802e288cdf03c8c4b

SHA512
1a1ea535cbf7c7fdba59bd5441f01c8b29c8cc24e793bf318c761d18e993c138f950bae1848bbfdfe8650e04174c67f9110f055c925c4a49954be6a1265b18e0

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

Filesize
352B

MD5
fb4dcbae5c2e179a505538e98394ba41

SHA1
aeb5399845d27978f3049e7d0b0a637a03b611dc

SHA256
0920f53320db717a14da9b3f5a52e2ffe87e0b2f62a0a0a2d877ca17da659233

SHA512
bb9e31bfc365f1f20fe94414fc5c6254439c4f5c6792d2c4ba59b780c8a60a04360337b5a3a49c954975a070f36175c693a68d42cb95e6ad5b4d24d6fac57944

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1700-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1700-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1700-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1700-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1700-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1700-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1700-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1700-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1700-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1700-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1700-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1700-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1700-57-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2968-56-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2968-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2968-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads