mydoom | 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051

General

Target

3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe
Size

29KB
MD5

3fe6c9bc6e41a0ecd575e1ce87de7900
SHA1

783dba63188f6142c1e6201a6b6530b23be1f129
SHA256

3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051
SHA512

429e95a4440197c45daf122c6a5f9e064263de9fd2155f36a803aba0443255dbc1c72f8cc3c25c65cf9f8d2eb09097c3a575f9d21385d2211e3e77da69acf127
SSDEEP

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

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 3 IoCs

resource	yara_rule
behavioral1/memory/2180-2-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2180-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2180-62-0x0000000000500000-0x0000000000510200-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
2684	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"	3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2180-2-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2684-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x000f00000001866e-10.dat	upx
behavioral1/memory/2180-7-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2180-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2684-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-22-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-27-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-32-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-34-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-39-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-44-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-46-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-51-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-56-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2684-58-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2180-62-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2684-63-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x00360000000174a2-73.dat	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe
File opened for modification	C:\Windows\java.exe	3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe
File created	C:\Windows\java.exe	3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.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	3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2684	2180	3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe	30
PID 2180 wrote to memory of 2684	2180	3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe	30
PID 2180 wrote to memory of 2684	2180	3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe	30
PID 2180 wrote to memory of 2684	2180	3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe	30

C:\Users\Admin\AppData\Local\Temp\3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe
"C:\Users\Admin\AppData\Local\Temp\3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2180
- 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:2684

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\tmp2760.tmp

Filesize
29KB

MD5
d885ed4808dfd623cd587c7bf50f2b18

SHA1
f69b7cf783036f82696cc33dc85ff8a9678525c6

SHA256
ece89c88fdb67c493dae32592e2aa690d1d7e791a54c90e608bec9b3745b1f50

SHA512
c60ae38021661ed0a39d052e215e3452d9f6e4360615c0c86f7cd661a952978f709281d26478c46bc72c92a855cb3be0f2028893dfa810d7ad5e6479a7f1539c

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

Filesize
320B

MD5
43d77e3c9e7dbcca9dc659e30fff29f5

SHA1
f1c6f37386ed8f7fc39823bb9f85d6b13b340b26

SHA256
b2643b79b5658133d2e6c959c9b806f0c709e12f94fa24cfde4b8a7678731a30

SHA512
4fd565bb8b67e7fdab5c82c24f51414227c426d2fe8aad2c5657fa26af8f19e4ca63546722a1e3c3fbd3fac8dc939b439f45d0b12850f41fb246ea65ef6aaed0

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2180-2-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2180-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2180-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2180-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2180-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2180-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2180-62-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2684-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-27-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-34-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-39-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-44-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-46-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-51-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-58-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-22-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-63-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2684-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads