redline | fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9

Analysis

max time kernel
141s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
26-05-2024 01:15

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General

Target

fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe
Size

7.3MB
MD5

5c95d5493dda877b228a6485a6d40d9c
SHA1

185482dabc06787f6ce14c6cd46c17372a1b77ae
SHA256

fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9
SHA512

05334c39be051eb33c0ad4787cd8d56a1386115bf809f2ec44088f719ab5bf3caf8e7a4539cb5d10b60bc5452b98d01656332b7e5c608038aeae73bd88b16e24
SSDEEP

196608:0qw9h20Qu0lFIutULgNr8cQ6P/qrFfDG2HD14LDsYu67ReBR:w2FIutULgS7rlDvDSI6cz

Score

10^/10

redline sectoprat discovery evasion infostealer rat spyware stealer themida trojan

Malware Config

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline
SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
trojan rat sectoprat

SectopRAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1836-59-0x00000000005B0000-0x0000000000E0C000-memory.dmp	family_sectoprat
behavioral2/memory/1836-60-0x00000000005B0000-0x0000000000E0C000-memory.dmp	family_sectoprat
behavioral2/memory/1836-262-0x00000000005B0000-0x0000000000E0C000-memory.dmp	family_sectoprat

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1836-59-0x00000000005B0000-0x0000000000E0C000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral2/memory/1836-60-0x00000000005B0000-0x0000000000E0C000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral2/memory/1836-262-0x00000000005B0000-0x0000000000E0C000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Detects Windows executables referencing non-Windows User-Agents 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1172-26-0x0000000000960000-0x0000000001268000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1172-27-0x0000000000960000-0x0000000001268000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Detects executables packed with Themida 7 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\3.exe	INDICATOR_EXE_Packed_Themida
behavioral2/memory/1172-26-0x0000000000960000-0x0000000001268000-memory.dmp	INDICATOR_EXE_Packed_Themida
behavioral2/memory/1172-27-0x0000000000960000-0x0000000001268000-memory.dmp	INDICATOR_EXE_Packed_Themida
C:\Users\Admin\AppData\Local\Temp\r.exe	INDICATOR_EXE_Packed_Themida
behavioral2/memory/1836-59-0x00000000005B0000-0x0000000000E0C000-memory.dmp	INDICATOR_EXE_Packed_Themida
behavioral2/memory/1836-60-0x00000000005B0000-0x0000000000E0C000-memory.dmp	INDICATOR_EXE_Packed_Themida
behavioral2/memory/1836-262-0x00000000005B0000-0x0000000000E0C000-memory.dmp	INDICATOR_EXE_Packed_Themida

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

3.exer.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 3.exe
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ r.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	r.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

3.exer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	r.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	r.exe

Checks computer location settings 2 TTPs 4 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe4.exe3.exelkbrqd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	4.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	3.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	lkbrqd.exe

Executes dropped EXE 4 IoCs

Processes:

4.exe3.exelkbrqd.exer.exe

pid process

1220 4.exe
1172 3.exe
4448 lkbrqd.exe
1836 r.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

pid	process
1220	4.exe
1172	3.exe
4448	lkbrqd.exe
1836	r.exe

Themida packer 7 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\3.exe	themida
behavioral2/memory/1172-26-0x0000000000960000-0x0000000001268000-memory.dmp	themida
behavioral2/memory/1172-27-0x0000000000960000-0x0000000001268000-memory.dmp	themida
C:\Users\Admin\AppData\Local\Temp\r.exe	themida
behavioral2/memory/1836-59-0x00000000005B0000-0x0000000000E0C000-memory.dmp	themida
behavioral2/memory/1836-60-0x00000000005B0000-0x0000000000E0C000-memory.dmp	themida
behavioral2/memory/1836-262-0x00000000005B0000-0x0000000000E0C000-memory.dmp	themida

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

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

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

3.exer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	3.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	r.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

3.exer.exe

pid process

1172 3.exe
1836 r.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

r.exe

pid process

1836 r.exe
1836 r.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

3.exer.exe

description pid process

Token: SeDebugPrivilege 1172 3.exe
Token: SeDebugPrivilege 1836 r.exe

pid	process
1172	3.exe
1836	r.exe

pid	process
1836	r.exe
1836	r.exe

description	pid	process
Token: SeDebugPrivilege	1172	3.exe
Token: SeDebugPrivilege	1836	r.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe4.exe3.exelkbrqd.exe

description	pid	process	target process
PID 2748 wrote to memory of 1220	2748	fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe	4.exe
PID 2748 wrote to memory of 1220	2748	fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe	4.exe
PID 2748 wrote to memory of 1220	2748	fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe	4.exe
PID 1220 wrote to memory of 1172	1220	4.exe	3.exe
PID 1220 wrote to memory of 1172	1220	4.exe	3.exe
PID 1220 wrote to memory of 1172	1220	4.exe	3.exe
PID 1172 wrote to memory of 4448	1172	3.exe	lkbrqd.exe
PID 1172 wrote to memory of 4448	1172	3.exe	lkbrqd.exe
PID 1172 wrote to memory of 4448	1172	3.exe	lkbrqd.exe
PID 4448 wrote to memory of 1836	4448	lkbrqd.exe	r.exe
PID 4448 wrote to memory of 1836	4448	lkbrqd.exe	r.exe
PID 4448 wrote to memory of 1836	4448	lkbrqd.exe	r.exe

C:\Users\Admin\AppData\Local\Temp\fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe
"C:\Users\Admin\AppData\Local\Temp\fdb5b2a0041b0939552ecd31e382e28529313c8bc8a656eb7de1cef9fbd6eee9.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Users\Admin\AppData\Local\Temp\4.exe
  "C:\Users\Admin\AppData\Local\Temp\4.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1220
- - C:\Users\Admin\AppData\Local\Temp\3.exe
    "C:\Users\Admin\AppData\Local\Temp\3.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Checks computer location settings
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1172
  - - C:\Users\Admin\AppData\Local\Temp\lkbrqd.exe
      "C:\Users\Admin\AppData\Local\Temp\lkbrqd.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:4448
    - - C:\Users\Admin\AppData\Local\Temp\r.exe
        
        "C:\Users\Admin\AppData\Local\Temp\r.exe"
        5⤵
        Identifies VirtualBox via ACPI registry values (likely anti-VM)
        Checks BIOS information in registry
        Executes dropped EXE
        Checks whether UAC is enabled
        Suspicious use of NtSetInformationThreadHideFromDebugger
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3.exe

Filesize
3.1MB

MD5
215f503316c98618dc6db327477fd26f

SHA1
136df5466ff49e2aadb1587e4c94d56175a0085e

SHA256
dbbde79c77cc64c6f42ca0f69e33561b70377626e7db42774679f9d602078cd1

SHA512
7c6a5ee768c8ae75ad9112526fa8de35c214b6de48435097599ab73b4ca072372ebaa8e59da2c734e0e4e2f0fac7187f1ad2a02306625051c7d9147e6d14da22

Download Submit
C:\Users\Admin\AppData\Local\Temp\4.exe

Filesize
3.4MB

MD5
d7e09993b21575a255d4ceaf706c205a

SHA1
01b68051ae35e1e12d8827664acdcf2cb9ed3766

SHA256
939f981d4a948e41999d8e1073418edb0c2afc47797ad87e0ecdf7124df7bde0

SHA512
37621af16254f15f273b0e36dff3927c4f40ef594e150c03f0b693443d16a7d6de8bed259a290b8ad9e8fe3d754865b06cdcba8b900722d1eb46487a56ef9d72

Download Submit
C:\Users\Admin\AppData\Local\Temp\lkbrqd.exe

Filesize
3.5MB

MD5
823f263a3d860454ef8092594ffb7ec0

SHA1
707e4b0e1340a72d200bae4cee0bd2c22b47e1e7

SHA256
e9e391ef56461e970601392db1d9adc8958f1dbc7fb9328d58cfc0601d3c7a3b

SHA512
ccebdb1af101a5a05be7a92797add599bfc565df0849aa404fc1bd5156e02828b7df6713d8ee66144150006e33cc87a9977f827e9e789d09f251925b12ff7a52

Download Submit
C:\Users\Admin\AppData\Local\Temp\r.exe

Filesize
3.2MB

MD5
cf1a74b1e40e5c34df68add35da92129

SHA1
c8faf639d73049f35de385f2c698f6809c1eaa92

SHA256
3196cc360075b773b4ff9a17ee1a53c6ce32476af563a910126fdfc02702f4c0

SHA512
83c3b4c16c2a53f1048c37e90c6ad5025b4e143975622bb0388b32af04b54544aeb3e2415ad7cccc2381471002732deec1f8b96d778efe6315953c495a0ba634

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDF07.tmp

Filesize
46KB

MD5
8f5942354d3809f865f9767eddf51314

SHA1
20be11c0d42fc0cef53931ea9152b55082d1a11e

SHA256
776ecf8411b1b0167bea724409ac9d3f8479973df223ecc6e60e3302b3b2b8ea

SHA512
fde8dfae8a862cf106b0cb55e02d73e4e4c0527c744c20886681245c8160287f722612a6de9d0046ed1156b1771229c8950b9ac036b39c988d75aa20b7bac218

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDF1C.tmp

Filesize
100KB

MD5
6d7ef092add3330a33162536d6a34a07

SHA1
b2646ee43195149c40daaadfada376f58169534e

SHA256
84d90c18fdb84664ac660760bb9a201f672407ad5bc5da01655ac0209f7c67a7

SHA512
579cf4851103bb8a3db2f24050c6b79229a968f0d5fb1ea92ccfb55e045b2a8ca82532200557f57052e39357b40a17ebac437007116d45de0f97d7189a3f251f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDF47.tmp

Filesize
48KB

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDF4D.tmp

Filesize
20KB

MD5
49693267e0adbcd119f9f5e02adf3a80

SHA1
3ba3d7f89b8ad195ca82c92737e960e1f2b349df

SHA256
d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

SHA512
b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDF63.tmp

Filesize
116KB

MD5
f70aa3fa04f0536280f872ad17973c3d

SHA1
50a7b889329a92de1b272d0ecf5fce87395d3123

SHA256
8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

SHA512
30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDF6F.tmp

Filesize
96KB

MD5
d367ddfda80fdcf578726bc3b0bc3e3c

SHA1
23fcd5e4e0e5e296bee7e5224a8404ecd92cf671

SHA256
0b8607fdf72f3e651a2a8b0ac7be171b4cb44909d76bb8d6c47393b8ea3d84a0

SHA512
40e9239e3f084b4b981431817ca282feb986cf49227911bf3d68845baf2ee626b564c8fabe6e13b97e6eb214da1c02ca09a62bcf5e837900160cf479c104bf77

Download Submit
memory/1172-27-0x0000000000960000-0x0000000001268000-memory.dmp

Filesize
9.0MB

Download
memory/1172-34-0x0000000007480000-0x0000000007A24000-memory.dmp

Filesize
5.6MB

Download
memory/1172-33-0x0000000006E30000-0x0000000006EC2000-memory.dmp

Filesize
584KB

Download
memory/1172-32-0x0000000000960000-0x0000000001268000-memory.dmp

Filesize
9.0MB

Download
memory/1172-31-0x0000000006440000-0x00000000064A6000-memory.dmp

Filesize
408KB

Download
memory/1172-28-0x0000000005D10000-0x0000000005DAC000-memory.dmp

Filesize
624KB

Download
memory/1172-26-0x0000000000960000-0x0000000001268000-memory.dmp

Filesize
9.0MB

Download
memory/1172-23-0x0000000000960000-0x0000000001268000-memory.dmp

Filesize
9.0MB

Download
memory/1836-60-0x00000000005B0000-0x0000000000E0C000-memory.dmp

Filesize
8.4MB

Download
memory/1836-65-0x0000000005BD0000-0x0000000005CDA000-memory.dmp

Filesize
1.0MB

Download
memory/1836-67-0x0000000006EB0000-0x0000000007072000-memory.dmp

Filesize
1.8MB

Download
memory/1836-68-0x00000000075B0000-0x0000000007ADC000-memory.dmp

Filesize
5.2MB

Download
memory/1836-69-0x0000000007240000-0x00000000072B6000-memory.dmp

Filesize
472KB

Download
memory/1836-70-0x0000000007490000-0x00000000074AE000-memory.dmp

Filesize
120KB

Download
memory/1836-64-0x0000000005980000-0x00000000059CC000-memory.dmp

Filesize
304KB

Download
memory/1836-63-0x0000000005940000-0x000000000597C000-memory.dmp

Filesize
240KB

Download
memory/1836-62-0x00000000058E0000-0x00000000058F2000-memory.dmp

Filesize
72KB

Download
memory/1836-61-0x0000000005F00000-0x0000000006518000-memory.dmp

Filesize
6.1MB

Download
memory/1836-59-0x00000000005B0000-0x0000000000E0C000-memory.dmp

Filesize
8.4MB

Download
memory/1836-55-0x00000000005B0000-0x0000000000E0C000-memory.dmp

Filesize
8.4MB

Download
memory/1836-262-0x00000000005B0000-0x0000000000E0C000-memory.dmp

Filesize
8.4MB

Download