mydoom | 51cf9a006b00e29fad60f3af4c6af6ae1be8621e5c40525b50610d72326412d1

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 05:04

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General

Target

JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe
Size

40KB
MD5

77c9cf107bc34963742311aa800d8ce6
SHA1

6bdc4d4f9e880ab4de17601d198ca4f6ea0f0a46
SHA256

51cf9a006b00e29fad60f3af4c6af6ae1be8621e5c40525b50610d72326412d1
SHA512

8ad3703dab0c7e82349aa2c71c74aa69f1c3420a5b31fbc47c0274ec04b1fc34c42a096beb4baa10eaafee41e6b850a23911360aeeb4db663fdd793fff1450e5
SSDEEP

768:aq9m/ZsybSg2ts4L3RLc/qjhsKmHbk1+qJ0UtHs:aqk/Zdic/qjh8w19JDHs

Score

10^/10

mydoom discovery persistence upx worm

Malware Config

Signatures

Detects MyDoom family 2 IoCs

resource	yara_rule
behavioral2/memory/1276-0-0x0000000000500000-0x000000000050D000-memory.dmp	family_mydoom
behavioral2/files/0x0002000000021f4b-36.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
336	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"	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000b000000023b88-4.dat	upx
behavioral2/memory/336-5-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-13-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-14-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-22-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-23-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-27-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-130-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-144-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-148-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-149-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-185-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-230-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-261-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/336-291-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe
File opened for modification	C:\Windows\java.exe	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe
File created	C:\Windows\java.exe	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.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	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 336	1276	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe	83
PID 1276 wrote to memory of 336	1276	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe	83
PID 1276 wrote to memory of 336	1276	JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77c9cf107bc34963742311aa800d8ce6.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1276
- 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:336

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8B3ZU6S9\default[2].htm

Filesize
304B

MD5
cde2c6ec81201bdd39579745c69d502f

SHA1
e025748a7d4361b2803140ed0f0abda1797f5388

SHA256
a81000fc443c3c99e0e653cca135e16747e63bccebd5052ed64d7ae6f63f227f

SHA512
de5ca6169b2bb42a452ebd2f92c23bad3a98c01845a875336d6affe7f0192c2782b1f66f149019c0b880410c836fc45b2e9157dcccc7ad0d9e5953521a2151d4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8B3ZU6S9\default[8].htm

Filesize
310B

MD5
2a8026547dafd0504845f41881ed3ab4

SHA1
bedb776ce5eb9d61e602562a926d0fe182d499db

SHA256
231fe7c979332b82ceccc3b3c0c2446bc2c3cab5c46fb7687c4bb579a8bba7ce

SHA512
1f6fa43fc0cf5cbdb22649a156f36914b2479a93d220bf0e23a32c086da46dd37e8f3a789e7a405abef0782e7b3151087d253c63c6cefcad10fd47c699fbcf97

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FGDWJGSY\default[3].htm

Filesize
315B

MD5
14b82aec966e8e370a28053db081f4e9

SHA1
a0f30ebbdb4c69947d3bd41fa63ec4929dddd649

SHA256
202eada95ef503b303a05caf5a666f538236c7e697f5301fd178d994fa6e24cf

SHA512
ec04f1d86137dc4d75a47ba47bb2f2c912115372fa000cf986d13a04121aae9974011aa716c7da3893114e0d5d0e2fb680a6c2fd40a1f93f0e0bfd6fd625dfa7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\default[5].htm

Filesize
312B

MD5
5431b34b55fc2e8dfe8e2e977e26e6b5

SHA1
87cf8feeb854e523871271b6f5634576de3e7c40

SHA256
3d7c76daab98368a0dd25cd184db039cdd5d1bc9bd6e9bb91b289119047f5432

SHA512
6f309dd924ba012486bcf0e3bafe64899007893ea9863b6f4e5428384ad23d9942c74d17c42a5cf9922a0e0fd8d61c287a2288a945a775586125d53376b9325c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O4PTG2YB\default[3].htm

Filesize
312B

MD5
c15952329e9cd008b41f979b6c76b9a2

SHA1
53c58cc742b5a0273df8d01ba2779a979c1ff967

SHA256
5d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7

SHA512
6aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA265.tmp

Filesize
40KB

MD5
48b31837fc98ac615aa91117575bc8bc

SHA1
7fa0d93fe20925858b22ef5e508606fb6a644b40

SHA256
da80f6b8c3d9abd03e2b9c0f971b667785e0d7960367f16722aaf0a4ba00ead8

SHA512
9d7f73d64cd7bc2b3e49024eba130cd861d9dfdf91f02a173ac8d2af5d7f4f92e6c76b1d5c92d3dd172a76cc77198c19121af3810766af4e956eea4a1d8db04b

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

Filesize
1KB

MD5
043ed12fbac794480d0c4084ff66620d

SHA1
d9497cc52a99fda771f2cbcfbe2675c6443631c1

SHA256
b0d74a01ddcc3cf50654be3dfaa18f0818f5bdbcc5492b1209269b2c17e1a3f4

SHA512
4c609b19916f160fe6ad339370481a7924e20654dac776780e08d2882e510bbb3f6d9453fbc877f107b4344b0cf94159bf1ced07a210a570a7c9854a0fca867e

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

Filesize
1KB

MD5
e55701008142405b08f4fe79e20c8e10

SHA1
6d8e9c0feb6177feaabff8497d569b5b0c56bdfa

SHA256
be6e8ebc8b82981038b35a50d92a2472e0b8fa922279e76ca17090064d546411

SHA512
3500ab2d60dc89bc35d90e3f1f90bbf14ca893fdec97f1e27528f00a17a2a1a11e822a61bf9277ab5588568f55ebd404de6905e9fad8c585909fe7bfebdf6abe

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/336-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-261-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-27-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-130-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-144-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-148-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-149-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-23-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-185-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-5-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-14-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-230-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-13-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/336-291-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1276-0-0x0000000000500000-0x000000000050D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads