berbew | e6d1013602b19382bbb2df5c6754dd9b792f794e9739ad41bee28851a5b79f87

General

Target
2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe
Size 376KB
Sample260731-gdatjsde98
SHA256 e6d1013602b19382bbb2df5c6754dd9b792f794e9739ad41bee28851a5b79f87
MD5 862085a9b82eba46d4e9cd1577938a71
SHA1 fdd95db66d3a37b085d477a6f14444cfa8735965
SHA512 b0ff5f1718667fade52cfecbbe8e6123e1a81b38a881148b33176ce1c450ea55c670161506f66477d6e14fdfb29a08dba6929f21b3a5ebccfb7818305f59e152
SSDEEP 6144:Ax8++xC7oQ0IV/Atl/AtW1OE43V1+25CzRoQ0Ibl4HdE43V1+2T:W50I2mi4lCzb0IF4X
TLSH
T14E843A2DAE768A91C09814FF00A316A4E164E7BD0DF98F79BFD0F6592A361C3DC1B254
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery berbew persistence

Malware Config

Extracted

Family

berbew

C2

http://crutop.nu/index.php
http://crutop.ru/index.php
http://mazafaka.ru/index.php
http://color-bank.ru/index.php
http://asechka.ru/index.php
http://trojan.ru/index.php
http://fuck.ru/index.php
http://goldensand.ru/index.php
http://filesearch.ru/index.php
http://devx.nm.ru/index.php
http://ros-neftbank.ru/index.php
http://lovingod.host.sk/index.php
http://www.redline.ru/index.php
http://cvv.ru/index.php
http://hackers.lv/index.php
http://fethard.biz/index.php
http://ldark.nm.ru/index.htm
http://gaz-prom.ru/index.htm
http://promo.ru/index.htm
http://potleaf.chat.ru/index.htm
http://kadet.ru/index.htm
http://cvv.ru/index.htm
http://crutop.nu/index.htm
http://crutop.ru/index.htm
http://mazafaka.ru/index.htm
http://xware.cjb.net/index.htm
http://konfiskat.org/index.htm
http://parex-bank.ru/index.htm
http://kidos-bank.ru/index.htm
http://kavkaz.ru/index.htm
http://fethard.biz/index.htm

Signatures

Family: Berbew
Berbew is a backdoor written in C++.
backdoor berbew

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe

Executes dropped EXE 1 IoCs

pid	Process
2064	Opopdd32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Bcnehb32.dll	2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe
File created	C:\Windows\SysWOW64\Opopdd32.exe	2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\Opopdd32.exe	2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2892	2064	WerFault.exe	86

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	2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Opopdd32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Bcnehb32.dll"	2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 812 wrote to memory of 2064	812	2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:812
- C:\Windows\SysWOW64\Opopdd32.exe
  C:\Windows\system32\Opopdd32.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2064
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 400
    3⤵
    - Program crash
    PID:2892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2064 -ip 2064
1⤵
PID:4496

Network

MITRE ATT&CK Enterprise v16

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

Opopdd32.exe

Path C:\Windows\SysWOW64\Opopdd32.exe
Size 376KB
SHA256 dd953f74630e51d9c272ef153adc7a92014af41c460b783897bba364784a8276
MD5 2337931094baac662afb95161258df2d
SHA1 291bdedc7a9e34185a7ee49ab4e896321b0a00b5
SHA512 c95b53069a64e9146023bded1214e90f8d69d091355f78ddeca0f09da50ceb6760ec41093a0c91806f095d97773035845ae23b5fe40cb9d47a4ef3b6ede4ac51
SSDEEP 6144:Z6py3Zibuwo8lJvAC7oQ0IV/Atl/AtW1OE43V1+25CzRoQ0Ibl4HdE43V1+2T:opy3ZGuwz50I2mi4lCzb0IF4X
TLSH
T1DC84272DBE768A91C08910FF40B31698A151E7BF0DE58F397ED2F6091A262C3DC9B1D4
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/812-0-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/812-1-0x0000000000431000-0x0000000000432000-memory.dmp

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memory/812-13-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/2064-8-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/2064-12-0x0000000000400000-0x000000000045E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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