mercurialgrabber | be4a380b115f62eb10f3517e67abf674f93683c24593bad0bc8875689ad73855

General

Target
7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe
Size 42KB
Sample240801-aty3rawfmf
SHA256 be4a380b115f62eb10f3517e67abf674f93683c24593bad0bc8875689ad73855
MD5 7e88cea14d2fadcca9917b3337c3ed65
SHA1 ad0baa6441b559ede3f77a36a2d9a08e9659a6ec
SHA512 1fe9adb556863a8dca16f5e88429535f96ba3c55747446b7939bf9eb5969cf06bae76988db8ff5e124ca0ef3ce492a20eec8590efa492ffadfed3245f2d8a4bf
SSDEEP 768:upIm4lMmkpb9mpBuZkL26+Tj1KZKfgm3EhJ+:oAibIp7L26+TpF7Ez+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

mercurialgrabber credential_access evasion spyware stealer

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/893304875742552074/A1Ba_shZNkIoUCS2iMlR08WeNxn9bCR-qCyQzk_7RJUd4xTs54HnlGO3a5gdx5pUbuhV

Signatures

Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
stealer mercurialgrabber
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools	7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
17	discord.com
18	discord.com
21	discord.com

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	ip4.seeip.org
15	ip-api.com
1	ip4.seeip.org

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe

Checks SCSI registry key(s) 3 TTPs 1 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S	7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0	7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation	7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer	7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName	7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3572	7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7e88cea14d2fadcca9917b3337c3ed65_JaffaCakes118.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:3572