mydoom | 7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6

Analysis

max time kernel
120s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-11-2024 13:09

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General

Target

7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.exe
Size

29KB
MD5

1da836ee4efb6afbb5496a9748fc3a40
SHA1

112852f4250ec5f143aee78d2efe82f2c7516d9f
SHA256

7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6
SHA512

38454b20043bff269d9b3b0df40a1095592de091ef5e9ebc305a8f06d4d42b9ed402337c13ba85a84e46485c31ac397843202948bc5ef66654b39a2b30119cd9
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/I:AEwVs+0jNDY1qi/qA

Score

10^/10

mydoom discovery persistence upx worm

Malware Config

Signatures

Detects MyDoom family 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4380-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4380-27-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4380-32-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4380-143-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4380-145-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4380-155-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4380-242-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/4380-295-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom

MyDoom
MyDoom is a Worm that is written in C++.
worm mydoom
Mydoom family
mydoom
Executes dropped EXE 1 IoCs

Processes:

services.exe

pid process

4620 services.exe

pid	process
4620	services.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.exeservices.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe"	7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 24 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4380-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
C:\Windows\services.exe	upx
behavioral2/memory/4620-7-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4380-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4620-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4620-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4620-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4620-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4380-27-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4620-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4380-32-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4620-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\tmp4CB6.tmp	upx
behavioral2/memory/4380-143-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4620-144-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4380-145-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4620-146-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4620-151-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4380-155-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4620-156-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4380-242-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4620-243-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/4380-295-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/4620-300-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.exe

description	ioc	process
File created	C:\Windows\services.exe	7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.exe
File opened for modification	C:\Windows\java.exe	7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.exe
File created	C:\Windows\java.exe	7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.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

Processes:

services.exe7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.exe

description	pid	process	target process
PID 4380 wrote to memory of 4620	4380	7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.exe	services.exe
PID 4380 wrote to memory of 4620	4380	7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.exe	services.exe
PID 4380 wrote to memory of 4620	4380	7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.exe	services.exe

C:\Users\Admin\AppData\Local\Temp\7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.exe
"C:\Users\Admin\AppData\Local\Temp\7ca88e725baf88799499e4b55f22b49c2513d8c3dfbc8e09cbd24930d9562ca6N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4380
- 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:4620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

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\FMGLWGAG\search[1].htm

Filesize
104KB

MD5
e5d96e446b05bbc3557a05a960a9fbc7

SHA1
e18370045c513fd45f6186df5c008963b765b30f

SHA256
b41c46baac137f0204f967e4b128bbcf1fcc3312012b2c7171ce5848cd75b1db

SHA512
909608bb23de1404012266a621058c09a07ebd8609187635e7e4b9a628bb01a53c9ee835f05f497cf5fed6877c25af86ea3828599b1d08fda6675814ce21846d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FMGLWGAG\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\GPRPVM3D.htm

Filesize
153KB

MD5
34ba7bc7ada2ba3e25a5598b429382ba

SHA1
29768350e75049e316b8cda86545959918b56311

SHA256
9b8f2001c5b47150b99c39c845ce8e0b3ec53205ca6af2a53b760f4d43080e25

SHA512
0beca90579d914b9da1cedb72ba39a4af388d67a14cb54ab55c25060f19f18dae38b5492a390f31f9e9851e2c402d94a81a65d052e689c9446fd49bd327dec60

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YY018DS9\default[5].htm

Filesize
312B

MD5
c15952329e9cd008b41f979b6c76b9a2

SHA1
53c58cc742b5a0273df8d01ba2779a979c1ff967

SHA256
5d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7

SHA512
6aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YY018DS9\search[1].htm

Filesize
132KB

MD5
a6b5407be569634d284e167e0d5d95c0

SHA1
4c5936cd438845edefdd3ae5d0b459ac83601e3b

SHA256
b57433f20400c55d1c962d8edfc1293e84d3e35f4efcdf8f41eec327b6008308

SHA512
bfcdb8febfef91721cc2790490c3dba277005006cea6bc2f7b2ce3b8a6cb6cb2b65d914d09391c3316bc3c4e8c2e6e3375696211166a43317acad94b42967328

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YY018DS9\search[4].htm

Filesize
187KB

MD5
453e9d872232d0eebaf343872e7b1b26

SHA1
da112acf6778725eadbe37d6f30a5773b601cefd

SHA256
83f7169426adc75e67013599bce7a6d826bf81aceec233e37f62bb16022ecc93

SHA512
2642619a8f8e05056a337f59b315e5af8ca6a695b428aa2fcaed1e87896f7f4074b1043476bdc4f65c73933021b8de356afa4a37bfcc8ada2017b8d0f29dc241

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4CB6.tmp

Filesize
29KB

MD5
a8d86145585c1af39a6afdee0b13e779

SHA1
14b09fb59ebc519b37d7fe511ce5c3e09c23c99f

SHA256
ae1efa3fd1d5bb5d4d3c495f30a342f64f03c2b147084a041e7729f29b953997

SHA512
1021d073688a973066ec1420090ce738b32615d4884105e76d4e9512f52d2fe526971b14e895eb14673a4dcb0554f01fc5c26d6148f2089b904147e3e85b9b7e

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

Filesize
320B

MD5
eb02b4ee81d4121d83d4a490467edcc6

SHA1
d0df256ef75de957b8c533d6dca56ce9deaa8bd7

SHA256
ec66c8d4e9d1c3022a30af047f55c86dc9fd08692d3a82942d62d26b1933f532

SHA512
76b7767b0432b9cfe55cec11257e97d394262ad52248ee49147471cf189bf7e21c9dc7c418f10e0b6370a9ed32028b2293b6b85e21fe99b186da19125f377547

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

Filesize
320B

MD5
f99c09f8485f8281bb7d47de86d11fe5

SHA1
65cf8e07ac213c254df1f99f2108ac7f834f13f8

SHA256
166df9b7b970d592a292e32787c69a81341943529dcfe959d1fb037ccb939fda

SHA512
f23d946212c59ed28e04046d70319163c76faa1f7392a8e175e7e11008a20a1b4d1c49bb74724a1f46c7fcfcb1a9c4b5ec848010756a9951424adb51e988b6c0

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

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/4380-242-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4380-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4380-32-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4380-155-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4380-143-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4380-27-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4380-145-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4380-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4380-295-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/4620-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-156-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-151-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-146-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-144-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-243-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-300-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4620-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download