mydoom | 4a1e752011b6e013c22713f5627c4719af867b015d037e9b508923b8ca70ba68

General

Target

4a1e752011b6e013c22713f5627c4719af867b015d037e9b508923b8ca70ba68N.exe
Size

29KB
MD5

a23b04502f260990b9b890121f610960
SHA1

ca6dbe763ce95c410f2ac793c20eff831dcb37aa
SHA256

4a1e752011b6e013c22713f5627c4719af867b015d037e9b508923b8ca70ba68
SHA512

879116525d8a93fa9832ac27ab523cac72ab939ca0e0489d22bb86e77bc868ae17cc9855bef2ee9328dcaffce36d3c4ac76286b43ca5f718f024d5298e2a9a19
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/h:AEwVs+0jNDY1qi/qZ

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral2/memory/4032-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4032-46-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4032-142-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4032-177-0x0000000000500000-0x0000000000510200-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
2872	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"	4a1e752011b6e013c22713f5627c4719af867b015d037e9b508923b8ca70ba68N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4032-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x000d000000023b6e-4.dat	upx
behavioral2/memory/2872-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2872-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2872-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2872-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2872-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2872-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2872-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2872-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2872-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/2872-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-46-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2872-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000707-60.dat	upx
behavioral2/memory/4032-142-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2872-144-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4032-177-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/2872-178-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	4a1e752011b6e013c22713f5627c4719af867b015d037e9b508923b8ca70ba68N.exe
File opened for modification	C:\Windows\java.exe	4a1e752011b6e013c22713f5627c4719af867b015d037e9b508923b8ca70ba68N.exe
File created	C:\Windows\java.exe	4a1e752011b6e013c22713f5627c4719af867b015d037e9b508923b8ca70ba68N.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	4a1e752011b6e013c22713f5627c4719af867b015d037e9b508923b8ca70ba68N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 2872	4032	4a1e752011b6e013c22713f5627c4719af867b015d037e9b508923b8ca70ba68N.exe	83
PID 4032 wrote to memory of 2872	4032	4a1e752011b6e013c22713f5627c4719af867b015d037e9b508923b8ca70ba68N.exe	83
PID 4032 wrote to memory of 2872	4032	4a1e752011b6e013c22713f5627c4719af867b015d037e9b508923b8ca70ba68N.exe	83

C:\Users\Admin\AppData\Local\Temp\4a1e752011b6e013c22713f5627c4719af867b015d037e9b508923b8ca70ba68N.exe
"C:\Users\Admin\AppData\Local\Temp\4a1e752011b6e013c22713f5627c4719af867b015d037e9b508923b8ca70ba68N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4032
- 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:2872

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\G94T3PNL\search[3].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE934.tmp

Filesize
29KB

MD5
c27ebc9c95caa0ed5351ddb8b111eaf3

SHA1
caa52a16aa3f8e17aacc48ffd0cc682f4317073e

SHA256
ea74cdf28d3626986aac933df962785b18d3e9b8397fc577f7b02eb9c532da2b

SHA512
636747ceb1cf79e924f165c0f069ddec043fa50f323da321d0e10b44f19f3beede0a73bf68a29bcd3ff92c127a8bf747f6ffd76fba7852a4484b98cb3a5a4562

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

Filesize
352B

MD5
08d2a6f87285b6567d4575c12397c65a

SHA1
d18d9fbb866136de56be44e756d67c186ca8b83c

SHA256
3cc4eef1aa58c1c052e41514671e31e8438458320c9bf2548a309639f71792d5

SHA512
d951ebff637747798d21c9b07a183ef85070e9788f19f6f4713ca86a680ad64a84ae0c7762631f99dba50fe918bc57c33fed3badaecd20265b6ce45c8773a610

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

Filesize
352B

MD5
39e5788542c23904eacaf1877558af69

SHA1
6c474cab34c46b78216bcb229d7ab02bdc0d1a95

SHA256
deb8b316256664033b26b9b673d9387ebdb4e9f66cabe69ec3168e930db9dd47

SHA512
f7010f8ee6315e7135b8a5af30d829a98d568f78c856913a9f16f9c4df623ab698889f86626410d3759937d2f19a55ec73703e66c80151977b3b5d5b5346b205

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2872-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2872-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2872-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2872-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2872-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2872-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2872-178-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2872-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2872-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2872-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2872-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2872-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2872-144-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4032-142-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4032-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4032-46-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4032-177-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4032-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads