guloader | cf2afee6c1871706deb922c7105c9e5bf6a2bbaca312b1b4ec4951dcfa033ea7

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
17-10-2024 12:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

PO-94858.exe
Size

876KB
MD5

efeb7d261da3f778abf002c69a971eb8
SHA1

f4e570bf56015da2c76faac8dc8f28a7e3a3d8a3
SHA256

cf2afee6c1871706deb922c7105c9e5bf6a2bbaca312b1b4ec4951dcfa033ea7
SHA512

5cbcd6b9b06f63019e9c00e47e4bee071079e81792ea8cd6173d4f544c15b852090f38e3a642dbc51dd357068634a4b769098204f9f409119a3675eb4d98487e
SSDEEP

24576:sw5i21T5xhInKT/Y2ol8tdi817TWdg0F7RR:sV017TWSyR

Score

10^/10

guloader vipkeylogger discovery downloader keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
hosting1.ro.hostsailor.com
Port:
587
Username:
[email protected]
Password:
7213575aceACE@@
Email To:
[email protected]

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger

Loads dropped DLL 2 IoCs

pid	Process
2776	PO-94858.exe
2776	PO-94858.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
5	checkip.dyndns.org

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2348	PO-94858.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2776	PO-94858.exe
2348	PO-94858.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2776 set thread context of 2348	2776	PO-94858.exe	31

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Dicer\Tabitta.ini	PO-94858.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO-94858.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO-94858.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2348	PO-94858.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2776	PO-94858.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	PO-94858.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2348	2776	PO-94858.exe	31
PID 2776 wrote to memory of 2348	2776	PO-94858.exe	31
PID 2776 wrote to memory of 2348	2776	PO-94858.exe	31
PID 2776 wrote to memory of 2348	2776	PO-94858.exe	31
PID 2776 wrote to memory of 2348	2776	PO-94858.exe	31
PID 2776 wrote to memory of 2348	2776	PO-94858.exe	31

C:\Users\Admin\AppData\Local\Temp\PO-94858.exe
"C:\Users\Admin\AppData\Local\Temp\PO-94858.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Users\Admin\AppData\Local\Temp\PO-94858.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-94858.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nseFC3D.tmp

Filesize
47B

MD5
a44e5b9b8830beb622f716549767927d

SHA1
78160ea5ffaa4c2e170780a8c18fd36a47724cf7

SHA256
f90559b15f9f45cefd05f0e7b0ec4b7b254a22a2f2cc65eabd6a40ed0c889137

SHA512
ce3a50dc422773b2543260285c7e62617c104c797e4bb4cb16a3d1fc80d18fb6285120e71ba28522061e04c7b89954f5154a490d323ba695493d48a6fd0e43af

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

Filesize
56B

MD5
2cb7f4baa71de08f1ae6dba013610a25

SHA1
8edf21d90c6e80a0a011f8f1bc5e7e06df56a15c

SHA256
8e2bcf9feac393966111f1f2da0442a81206f175f5c983d54c155dc9dca8b35c

SHA512
b4de96747cd2c4ec98837f4634afc86b80c0c186d58023b37e2f468d97ca8c3cf2c19a4ccb4e4456e73b2629f65376d9934119542ca4e990a0c277e873cb77cc

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

Filesize
30B

MD5
1ef630a300aa83be06f631ae4caafaaa

SHA1
d6f50f255a7a2c875b9a2e72f9fe0e3555d7d0a9

SHA256
1886befe7455fcda2daf5715f2b768e012a1d6debe288fa5feb4e523fd4f52d4

SHA512
05b243bd5bfcc6445cf75d3ce9786761a1bf88850d6232e988956f1f5975fb5de1e801fdb8ccb8c8baa340080c4a51817943eba07d3ca07c1d8bf8d7f66f160e

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

Filesize
47B

MD5
3463a4cc4cc8584279b312ee3ae746dc

SHA1
512bb30dc772b97916374c4ba7ac0263dab1ffa5

SHA256
4d9933ad3cb07723bac43a5c519fb12e5950334cf688b284acdfa4d8931d5620

SHA512
239e174c3cea06f716dfc802fd32bddfa78d51f07d91f1cfc28ab0bf125d22bd18c6f05af672b0b8edbb6a618f4e6492fe1b41150c34cc3196070961c34c010c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyFC6C.tmp

Filesize
1B

MD5
8ce4b16b22b58894aa86c421e8759df3

SHA1
13fbd79c3d390e5d6585a21e11ff5ec1970cff0c

SHA256
8254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a

SHA512
2af8a9104b3f64ed640d8c7e298d2d480f03a3610cbc2b33474321ec59024a48592ea8545e41e09d5d1108759df48ede0054f225df39d4f0f312450e0aa9dd25

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyFC6C.tmp

Filesize
2B

MD5
25bc6654798eb508fa0b6343212a74fe

SHA1
15d5e1d3b948fd5986aaff7d9419b5e52c75fc93

SHA256
8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc

SHA512
5868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyFC6C.tmp

Filesize
3B

MD5
4e27f2226785e9abbe046fc592668860

SHA1
28b18a7f383131df509f7191f946a32c5a2e410c

SHA256
01a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d

SHA512
2a23585835bdb5db8175cab265566042282841efdcee8aaba8b9b5d466b0f165c0c5973033ce94bb9a8f07a956689247981ea07ac5a51408263e1653d9710adb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyFC6C.tmp

Filesize
4B

MD5
cde63b34c142af0a38cbe83791c964f8

SHA1
ece2b194b486118b40ad12c1f0e9425dd0672424

SHA256
65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d

SHA512
0559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyFC6C.tmp

Filesize
6B

MD5
50484c19f1afdaf3841a0d821ed393d2

SHA1
c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b

SHA256
6923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c

SHA512
d51a20d67571fe70bcd6c36e1382a3c342f42671c710090b75fcfc2405ce24488e03a7131eefe4751d0bd3aeaad816605ad10c8e3258d72fcf379e32416cbf3b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyFC6C.tmp

Filesize
7B

MD5
67cfa7364c4cf265b047d87ff2e673ae

SHA1
56e27889277981a9b63fcf5b218744a125bbc2fa

SHA256
639b68bd180b47d542dd001d03557ee2d5b3065c3c783143bc9fb548f3fd7713

SHA512
17f28a136b20b89e9c3a418b08fd8e6fcaac960872dc33b2481af2d872efc44228f420759c57724f5d953c7ba98f2283e2acc7dfe5a58cbf719c6480ec7a648b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyFC6C.tmp

Filesize
8B

MD5
c3cb69218b85c3260387fb582cb518dd

SHA1
961c892ded09a4cbb5392097bb845ccba65902ad

SHA256
1c329924865741e0222d3ead23072cfbed14f96e2b0432573068eb0640513101

SHA512
2402fffeb89c531db742bf6f5466eee8fe13edf97b8ecfc2cace3522806b322924d1ca81dda25e59b4047b8f40ad11ae9216e0a0d5c7fc6beef4368eb9551422

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyFC6C.tmp

Filesize
9B

MD5
2b3884fe02299c565e1c37ee7ef99293

SHA1
d8e2ef2a52083f6df210109fea53860ea227af9c

SHA256
ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858

SHA512
aeb9374a52d0ad99336bfd4ec7bb7c5437b827845b8784d9c21f7d96a931693604689f6adc3ca25fad132a0ad6123013211ff550f427fa86e4f26c122ac6a0fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyFC6C.tmp

Filesize
10B

MD5
9a53fc1d7126c5e7c81bb5c15b15537b

SHA1
e2d13e0fa37de4c98f30c728210d6afafbb2b000

SHA256
a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92

SHA512
b0bffbb8072dbdcfc68f0e632f727c08fe3ef936b2ef332c08486553ff2cef7b0bcdb400e421a117e977bb0fac17ce4706a8097e32d558a918433646b6d5f1a1

Download Submit
\Users\Admin\AppData\Local\Temp\nseFC3C.tmp\System.dll

Filesize
11KB

MD5
4d3b19a81bd51f8ce44b93643a4e3a99

SHA1
35f8b00e85577b014080df98bd2c378351d9b3e9

SHA256
fda0018ab182ac6025d2fc9a2efcce3745d1da21ce5141859f8286cf319a52ce

SHA512
b2ba9c961c0e1617f802990587a9000979ab5cc493ae2f8ca852eb43eeaf24916b0b29057dbff7d41a1797dfb2dce3db41990e8639b8f205771dbec3fd80f622

Download Submit
memory/2348-572-0x0000000076D40000-0x0000000076EE9000-memory.dmp

Filesize
1.7MB

Download
memory/2348-576-0x0000000000490000-0x00000000004D8000-memory.dmp

Filesize
288KB

Download
memory/2348-575-0x0000000000490000-0x00000000014F2000-memory.dmp

Filesize
16.4MB

Download
memory/2348-574-0x0000000000490000-0x00000000014F2000-memory.dmp

Filesize
16.4MB

Download
memory/2776-570-0x0000000003BC0000-0x000000000580A000-memory.dmp

Filesize
28.3MB

Download
memory/2776-573-0x0000000003BC0000-0x000000000580A000-memory.dmp

Filesize
28.3MB

Download
memory/2776-571-0x0000000076D40000-0x0000000076EE9000-memory.dmp

Filesize
1.7MB

Download
memory/2776-569-0x0000000076D41000-0x0000000076E42000-memory.dmp

Filesize
1.0MB

Download
memory/2776-568-0x0000000003BC0000-0x000000000580A000-memory.dmp

Filesize
28.3MB

Download