taurus | 5aae3d166c68743d2868bcd732fa61c2491ddcbe64e6a05f078b48f920cc2be5

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04-04-2024 09:19

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General

Target

b49a216e03a62392dc1243d0f093c7ff_JaffaCakes118.exe
Size

396KB
MD5

b49a216e03a62392dc1243d0f093c7ff
SHA1

f42c94b9fba18c0cb9184c86584dc2745cd6ad02
SHA256

5aae3d166c68743d2868bcd732fa61c2491ddcbe64e6a05f078b48f920cc2be5
SHA512

d203184efa3cf1af1ae24ec78ba6ab3c8e1e101184be9dd9414b3fa2b0c9d3a91b26bf86450d48b4b694dfe99229afbf9d6ee9175d6030c0f2f11ae6fb606d72
SSDEEP

6144:Et7yGXk+IlGThqs2YmTXTIbAsBJBM+CQjbTpalJj5gXep0nhCsZ:E0mk+1Q4ATIZBJCsMjNpT+

Score

10^/10

taurus discovery spyware stealer trojan

Malware Config

Signatures

Taurus Stealer
Taurus is an infostealer first seen in June 2020.
trojan stealer taurus

Taurus Stealer payload 4 IoCs

resource	yara_rule
behavioral1/memory/1956-2-0x00000000002E0000-0x0000000000318000-memory.dmp	family_taurus_stealer
behavioral1/memory/1956-10-0x0000000000400000-0x0000000003DC9000-memory.dmp	family_taurus_stealer
behavioral1/memory/1956-81-0x0000000000400000-0x0000000003DC9000-memory.dmp	family_taurus_stealer
behavioral1/memory/1956-484-0x0000000000400000-0x0000000003DC9000-memory.dmp	family_taurus_stealer

Deletes itself 1 IoCs

pid	Process
1528	cmd.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1464	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 1528	1956	b49a216e03a62392dc1243d0f093c7ff_JaffaCakes118.exe	29
PID 1956 wrote to memory of 1528	1956	b49a216e03a62392dc1243d0f093c7ff_JaffaCakes118.exe	29
PID 1956 wrote to memory of 1528	1956	b49a216e03a62392dc1243d0f093c7ff_JaffaCakes118.exe	29
PID 1956 wrote to memory of 1528	1956	b49a216e03a62392dc1243d0f093c7ff_JaffaCakes118.exe	29
PID 1528 wrote to memory of 1464	1528	cmd.exe	31
PID 1528 wrote to memory of 1464	1528	cmd.exe	31
PID 1528 wrote to memory of 1464	1528	cmd.exe	31
PID 1528 wrote to memory of 1464	1528	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\b49a216e03a62392dc1243d0f093c7ff_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b49a216e03a62392dc1243d0f093c7ff_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\b49a216e03a62392dc1243d0f093c7ff_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1528
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:1464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar412C.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
memory/1956-1-0x0000000003E80000-0x0000000003F80000-memory.dmp

Filesize
1024KB

Download
memory/1956-2-0x00000000002E0000-0x0000000000318000-memory.dmp

Filesize
224KB

Download
memory/1956-10-0x0000000000400000-0x0000000003DC9000-memory.dmp

Filesize
57.8MB

Download
memory/1956-81-0x0000000000400000-0x0000000003DC9000-memory.dmp

Filesize
57.8MB

Download
memory/1956-122-0x0000000003E80000-0x0000000003F80000-memory.dmp

Filesize
1024KB

Download
memory/1956-485-0x0000000003E80000-0x0000000003F80000-memory.dmp

Filesize
1024KB

Download
memory/1956-484-0x0000000000400000-0x0000000003DC9000-memory.dmp

Filesize
57.8MB

Download