mydoom | e91b804cd0a10d93b3e231b67e9c09fc32324b59c04f0500ec7054183207d50b

General

Target

e91b804cd0a10d93b3e231b67e9c09fc32324b59c04f0500ec7054183207d50bN.exe
Size

29KB
MD5

6e63bb4c8df323b4bc6d223f79d03f70
SHA1

982f920a3712418d58532cca619b36d117efcda2
SHA256

e91b804cd0a10d93b3e231b67e9c09fc32324b59c04f0500ec7054183207d50b
SHA512

ac7db4f9ebab549de39e21c7113691c8e73bcda69b0ba82a3fc0e136a5e0febf451ba0582a6120aec2ea136909c383effeca0dec755777eaf6fc304fa673463f
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/W0:AEwVs+0jNDY1qi/qT

Score

10^/10

Malware Config

Signatures

Detects MyDoom family 4 IoCs

resource	yara_rule
behavioral2/memory/436-13-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/436-49-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/436-131-0x0000000000500000-0x0000000000510200-memory.dmp	family_mydoom
behavioral2/memory/436-169-0x0000000000500000-0x0000000000510200-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
3792	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"	e91b804cd0a10d93b3e231b67e9c09fc32324b59c04f0500ec7054183207d50bN.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/436-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/files/0x0008000000023ca5-4.dat	upx
behavioral2/memory/3792-7-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/436-13-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3792-15-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3792-16-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3792-21-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3792-26-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3792-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3792-33-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3792-38-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3792-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/3792-45-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/436-49-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3792-50-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/files/0x0004000000000703-60.dat	upx
behavioral2/memory/436-131-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3792-132-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral2/memory/436-169-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral2/memory/3792-170-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	e91b804cd0a10d93b3e231b67e9c09fc32324b59c04f0500ec7054183207d50bN.exe
File opened for modification	C:\Windows\java.exe	e91b804cd0a10d93b3e231b67e9c09fc32324b59c04f0500ec7054183207d50bN.exe
File created	C:\Windows\java.exe	e91b804cd0a10d93b3e231b67e9c09fc32324b59c04f0500ec7054183207d50bN.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	e91b804cd0a10d93b3e231b67e9c09fc32324b59c04f0500ec7054183207d50bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 3792	436	e91b804cd0a10d93b3e231b67e9c09fc32324b59c04f0500ec7054183207d50bN.exe	82
PID 436 wrote to memory of 3792	436	e91b804cd0a10d93b3e231b67e9c09fc32324b59c04f0500ec7054183207d50bN.exe	82
PID 436 wrote to memory of 3792	436	e91b804cd0a10d93b3e231b67e9c09fc32324b59c04f0500ec7054183207d50bN.exe	82

C:\Users\Admin\AppData\Local\Temp\e91b804cd0a10d93b3e231b67e9c09fc32324b59c04f0500ec7054183207d50bN.exe
"C:\Users\Admin\AppData\Local\Temp\e91b804cd0a10d93b3e231b67e9c09fc32324b59c04f0500ec7054183207d50bN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:436
- 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:3792

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\PGH3GSHW\search[2].htm

Filesize
25B

MD5
8ba61a16b71609a08bfa35bc213fce49

SHA1
8374dddcc6b2ede14b0ea00a5870a11b57ced33f

SHA256
6aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1

SHA512
5855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1

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

Filesize
320B

MD5
414f23848c93c178a476e042bd09a434

SHA1
12c636ce953b4ffe3a261726a2c0fac5ce21d111

SHA256
3be8f01f070fcb74a9b694f63d7fc5a521ed353d4f682114b2f283d6bb0f431d

SHA512
2219ab00821218bc5985ef00ce294a8e8a2e25b5283b26f3bce1c5370d380b19d5e92e7ec21670322ba13bef4c9ae886a3f1f04c485a15d7fc4c42e2c18b4c6e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2A44.tmp

Filesize
29KB

MD5
37fd950745554454452e45b9df7b94de

SHA1
a25e97dd791c2c2e5ce266f2ddc1855765dbd0bf

SHA256
5b941e18ddaac783c832709dce2b5d44ca2939c36417365c485143b53cbdcaf1

SHA512
95e632225ef71f766f01342c30b8b7f11b7f743b7e299057828531dd68ba9b8f5e1d095c67293dc517aa310407b38784bfde1c4e54936ea1793288c1ed2f00f3

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

Filesize
352B

MD5
d70f85d6219b719a696bf3c08631d9dd

SHA1
3d48cfcb12935a03188883cf1cac3db6c131e661

SHA256
0444f91adc0540a3402a922db11f405622fbecaaea6826a2d9628ced758cf149

SHA512
59fb0dcd9df13a15427f37e4c131d78f850d5c1c3bb6fc63f1bbe0d1873181af917633ae06b676047df4d63b4478bec859e14cc3468ebbcd247b7c4ff79db8a3

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

Filesize
352B

MD5
2a748e3bdcc0972dbfc4417d58e78623

SHA1
d04a04c1399c67e7cc52aaf636aafc10c80e50a1

SHA256
32b551de1246b1c499025afd55ce642fd3995ba1574839ef063d1c57623a21d4

SHA512
55cec4aa3e93a91be6b3647b5734be7f4a37ae9efaf3dd06237fc5e14438f5730715dcc88c3cca56778da8c491f80f222cb2d28a60c603afd9831ac1bdff42a0

Download Submit
C:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/436-169-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/436-13-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/436-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/436-131-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/436-49-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/3792-16-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3792-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3792-45-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3792-38-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3792-50-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3792-33-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3792-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3792-26-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3792-21-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3792-132-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3792-15-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3792-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3792-170-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads