mydoom | 41d66644d8cc6bc6374939c1e0d4858fbf550ced4f1d8bc12518e5b56ebe1db6

General

Target

41d66644d8cc6bc6374939c1e0d4858fbf550ced4f1d8bc12518e5b56ebe1db6N.exe
Size

29KB
MD5

984d59faea3030d2a5f9ac91db031520
SHA1

f9919c89fdb0f79b22fe25d3093df2fa8f5c4415
SHA256

41d66644d8cc6bc6374939c1e0d4858fbf550ced4f1d8bc12518e5b56ebe1db6
SHA512

acdafac6a69ebc2a2b3bee52d9e44e80ca7f081a5d0755f62c0c8481ecae1ce3ad18659d23594537d5ae3e9974d4ca3cd0383380d0d673fd9d26b92a8c46f6a0
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/S:AEwVs+0jNDY1qi/qq

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 5 IoCs

resource	yara_rule
behavioral1/memory/2728-17-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2728-44-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2728-64-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2728-66-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral1/memory/2728-71-0x0000000000500000-0x0000000000510200-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
2292	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"	41d66644d8cc6bc6374939c1e0d4858fbf550ced4f1d8bc12518e5b56ebe1db6N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2728-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2728-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0008000000015d75-10.dat	upx
behavioral1/memory/2292-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2728-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2292-20-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2292-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2292-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2292-31-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2292-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2292-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2292-43-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2728-44-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2292-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2292-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/files/0x0004000000004ed7-55.dat	upx
behavioral1/memory/2292-65-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2728-64-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2728-66-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2292-67-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2292-72-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2728-71-0x0000000000500000-0x0000000000510200-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	41d66644d8cc6bc6374939c1e0d4858fbf550ced4f1d8bc12518e5b56ebe1db6N.exe
File opened for modification	C:\Windows\java.exe	41d66644d8cc6bc6374939c1e0d4858fbf550ced4f1d8bc12518e5b56ebe1db6N.exe
File created	C:\Windows\java.exe	41d66644d8cc6bc6374939c1e0d4858fbf550ced4f1d8bc12518e5b56ebe1db6N.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	41d66644d8cc6bc6374939c1e0d4858fbf550ced4f1d8bc12518e5b56ebe1db6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2292	2728	41d66644d8cc6bc6374939c1e0d4858fbf550ced4f1d8bc12518e5b56ebe1db6N.exe	30
PID 2728 wrote to memory of 2292	2728	41d66644d8cc6bc6374939c1e0d4858fbf550ced4f1d8bc12518e5b56ebe1db6N.exe	30
PID 2728 wrote to memory of 2292	2728	41d66644d8cc6bc6374939c1e0d4858fbf550ced4f1d8bc12518e5b56ebe1db6N.exe	30
PID 2728 wrote to memory of 2292	2728	41d66644d8cc6bc6374939c1e0d4858fbf550ced4f1d8bc12518e5b56ebe1db6N.exe	30

C:\Users\Admin\AppData\Local\Temp\41d66644d8cc6bc6374939c1e0d4858fbf550ced4f1d8bc12518e5b56ebe1db6N.exe
"C:\Users\Admin\AppData\Local\Temp\41d66644d8cc6bc6374939c1e0d4858fbf550ced4f1d8bc12518e5b56ebe1db6N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2728
- 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:2292

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB0F7.tmp

Filesize
29KB

MD5
c6f0d8100466f2b9c8a4a89db5b8a398

SHA1
3a1014f992e61158d0ac0375b025e6e90913c0f7

SHA256
afaa9e40fc4728519b243974ca462415faf48ec31e74473c48495fd122541c85

SHA512
081b1acc1f1eace5465908df8deb899689680fe517ded7c50c5f677e64b69b4d047a99f02c8a22187bbf79d5a5d1b30af40ee8e68cdcaf79cb0c6074f9d7cf69

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

Filesize
352B

MD5
467dd2b6b5ab27342519fbb780be7f4f

SHA1
877f411959e75f55a100fc612e2e41f57278659c

SHA256
da8734712c6413332fa33ba791c42b5035b6850f304871890d4dc55517cae2bf

SHA512
d5bc524a080de4b3bfbca4ed8db7c58d6c97fd13a338344b513ee91e7ba075f3dfb92203bf9fe6593492c369048166ba8dad720a4c0db89c6809cc9c2d44e7d2

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/2292-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2292-65-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2292-72-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2292-67-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2292-20-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2292-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2292-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2292-31-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2292-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2292-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2292-43-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2292-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2292-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2728-44-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2728-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2728-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2728-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2728-64-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2728-66-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2728-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2728-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2728-71-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads