5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad

General

Target

5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
Size

3.8MB
MD5

ee887f2b5372f8b906ddd78c4555ab28
SHA1

714774a575d8594f29e86ac061bded3628aaceb5
SHA256

5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad
SHA512

8e1373a49becaf1def732ff4febc003c32d2169e5432eeda7d7599b618a26d79f35b7215162501aab42983bd2e66cff1f28fe3be899243434dbd18da2670c6d4
SSDEEP

49152:Ye5KVFpiXThKVUKO8SsZ8wVFu+4p1ewogVdtXZ+iL35r8H:qFp8hSUKO8/Tu+SdJZjZ8H

Score

8^/10

bootkit persistence

Malware Config

Signatures

Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe

pid process

1336 5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe

description ioc process

File opened for modification \??\PhysicalDrive0 5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe

Drops file in System32 directory 8 IoCs

Processes:

5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe

description	ioc	process
File created	C:\Windows\SysWOW64\AngryMailer\VersionNo\ka\ogyusfhfzxrzclwpmwra2022-11-25_15_42_20_835.txt	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
File created	C:\Windows\SysWOW64\AngryMailer\tjpmwgjmudf\paov\uuipftsfhnle2022-11-25_15_42_52_425.txt	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
File created	C:\Windows\SysWOW64\AngryMailer\wvxontvitkkbvt\vzcwxqagcw.ini	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
File created	C:\Windows\SysWOW64\AngryMailer_1.0.2.1\SkinH.dll	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
File created	C:\Windows\SysWOW64\AngryMailer_1.0.2.1\SkinH.she	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
File created	C:\Windows\SysWOW64\AngryMailer_1.0.2.1\AngryMailer.51.la.html	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
File created	C:\Windows\SysWOW64\AngryMailer\kekpqdnvedtnaueq\eaykgkxenpbntwlfc2022-11-25_15_42_39_679.txt	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
File created	C:\Windows\SysWOW64\AngryMailer\Temp\zpqdvnjhuwuomgora\eblgppkftowzmd.txt	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exeAUDIODG.EXE

description	pid	process
Token: SeShutdownPrivilege	1336	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
Token: SeBackupPrivilege	1336	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
Token: 33	1612	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1612	AUDIODG.EXE
Token: 33	1612	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1612	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe

pid process

1336 5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe

pid process

1336 5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe

pid	process
1336	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
1336	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
1336	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
1336	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
1336	5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe

C:\Users\Admin\AppData\Local\Temp\5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe
"C:\Users\Admin\AppData\Local\Temp\5cbc55701a7f6973ea3985d469c2d2d9de8f5642de947c2a1e5813b4fd0363ad.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1336

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x578
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1612

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\AngryMailer_1.0.2.1\SkinH.dll
Filesize
95KB

MD5
8c00426ffcb551ba07904d9a67843bb4

SHA1
0c1daffaf62497cfa121320b386024a1c18b9be9

SHA256
2c1186029848788fe6fb2ab7cc2a1b9263a872e477344a3483e13ab89604e16c

SHA512
c235ef09f2b96142e062b87df76906c224e7256baabdc0c68d89b52b8603e0d16e6c6c5f98f3fb1fadef5fa117d516ee5ca4e7ecb2a47ecf752db56bd28f732a

Download Submit
memory/1336-54-0x0000000076651000-0x0000000076653000-memory.dmp

Filesize
8KB

Download
memory/1336-56-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/1336-57-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads