mydoom | 558b28d0cb44ab724fa43d42bc93d80e42ec113b1e29dddf587f567a29a243e4

General

Target

558b28d0cb44ab724fa43d42bc93d80e42ec113b1e29dddf587f567a29a243e4N.exe
Size

29KB
MD5

99decc1150da4152946b22e60c1153d0
SHA1

a76ffb9e4fbacccd2e4a995d38bbc9393290555f
SHA256

558b28d0cb44ab724fa43d42bc93d80e42ec113b1e29dddf587f567a29a243e4
SHA512

82fc88c19499b8f73addadb267fb60ec401e448b6abd0156a2c1181e614cce6c6e66dc90f0ede865067f4867bbe08b3b70b77f9fbc1b4d332f7a140031767651
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/e/:AEwVs+0jNDY1qi/q+

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral1/memory/2688-15-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2688-51-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2688-53-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2688-77-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

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

Executes dropped EXE 1 IoCs

pid	Process
2788	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\Services = "C:\\Windows\\services.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	558b28d0cb44ab724fa43d42bc93d80e42ec113b1e29dddf587f567a29a243e4N.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2688-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2688-4-0x0000000000220000-0x0000000000228000-memory.dmp	upx
behavioral1/files/0x00070000000186ee-7.dat	upx
behavioral1/memory/2688-15-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2788-17-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-23-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-35-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2788-47-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2688-51-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2788-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2688-53-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2788-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0035000000018683-64.dat	upx
behavioral1/memory/2688-77-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2788-78-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	558b28d0cb44ab724fa43d42bc93d80e42ec113b1e29dddf587f567a29a243e4N.exe
File opened for modification	C:\Windows\java.exe	558b28d0cb44ab724fa43d42bc93d80e42ec113b1e29dddf587f567a29a243e4N.exe
File created	C:\Windows\java.exe	558b28d0cb44ab724fa43d42bc93d80e42ec113b1e29dddf587f567a29a243e4N.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	558b28d0cb44ab724fa43d42bc93d80e42ec113b1e29dddf587f567a29a243e4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2788	2688	558b28d0cb44ab724fa43d42bc93d80e42ec113b1e29dddf587f567a29a243e4N.exe	30
PID 2688 wrote to memory of 2788	2688	558b28d0cb44ab724fa43d42bc93d80e42ec113b1e29dddf587f567a29a243e4N.exe	30
PID 2688 wrote to memory of 2788	2688	558b28d0cb44ab724fa43d42bc93d80e42ec113b1e29dddf587f567a29a243e4N.exe	30
PID 2688 wrote to memory of 2788	2688	558b28d0cb44ab724fa43d42bc93d80e42ec113b1e29dddf587f567a29a243e4N.exe	30

C:\Users\Admin\AppData\Local\Temp\558b28d0cb44ab724fa43d42bc93d80e42ec113b1e29dddf587f567a29a243e4N.exe
"C:\Users\Admin\AppData\Local\Temp\558b28d0cb44ab724fa43d42bc93d80e42ec113b1e29dddf587f567a29a243e4N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- 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:2788

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\tmp7C34.tmp

Filesize
29KB

MD5
178c0cfa65ff9edd390ee76ba6292244

SHA1
d9adc86676690474ba51108241df51d05df61a6b

SHA256
d0e87c3feb7b8391d6760ad805aafeb64f212938c9e1322c01e0c16ef5a2784f

SHA512
c8f4e341218f5c87c184b2eadc36ee4f44241d542d94085470432e99f02dc0a5b8f27e9006ae13e22376348a885d5700175c7ad321a937c863d8538c9bbb8e53

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

Filesize
288B

MD5
1b9c529f6eba688f86e13286aabbd50c

SHA1
c0115c74936463f73e849aad92c53df4a9e1a7d9

SHA256
15b41d2e12d667a8082debd9d6e04336df53b020e1da13c59673845351f98657

SHA512
84506e46355ea88a8350680ba77383dde672c02dab5420c989c88d3ca08af1531801c350eea0befdfd545fedd6b946bf612ba782f12d1dd40e6eb524787d8ce4

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

Filesize
256B

MD5
354172ad77c3099756abeea4099af163

SHA1
91b9df8b7d1d27a67fc20d16897f192290407c74

SHA256
0b76405512bf9550ced0f2484ff42a046b4432bb7822efb97baebf4118899c68

SHA512
c3288cc873d0ff7d97ff91071079c1535ee6e6621483424efa2587425e870094809a3501471d9c3f4c32989ab51d3065088caebf6efbeb75270235d4bec698c6

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2688-4-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/2688-15-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2688-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2688-77-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2688-53-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2688-51-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2788-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-47-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-35-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-23-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2788-78-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads