guloader | 87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 02:08

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General

Target

87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe
Size

619KB
MD5

9ca0138738dcc4faa58c59c0898d4834
SHA1

d904efbf202092b4b29862951c2b39d1c298ac1b
SHA256

87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2
SHA512

15acd62254345446b20d040924c397989ff7fb3257c01de6f998fd36a4798d696942a9e9a939158133622e4927f1f155fc5db946c5a92c64f73f625d078774d0
SSDEEP

12288:2qkIddrO3HTLOGOlN1ruuG3DeoNjqqtRaG31TAHcF1umM:3vdxOXTL+bi/dXaGDF1umM

Score

10^/10

guloader vipkeylogger discovery downloader keylogger persistence stealer

Malware Config

Extracted

Family

vipkeylogger

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
1668	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe
1668	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\file = "C:\\Users\\Admin\\AppData\\Roaming\\stub\\Sophia.exe"	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.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
2740	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1668	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe
2740	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1668 set thread context of 2740	1668	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe	31

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Tittendes190.fal	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\Forudreferencens\Avancestop.Jav	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe
File opened for modification	C:\Windows\Fonts\konebytningens\Readventure.Liv	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.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	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2740	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1668	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2740	1668	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe	31
PID 1668 wrote to memory of 2740	1668	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe	31
PID 1668 wrote to memory of 2740	1668	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe	31
PID 1668 wrote to memory of 2740	1668	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe	31
PID 1668 wrote to memory of 2740	1668	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe	31
PID 1668 wrote to memory of 2740	1668	87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe	31

C:\Users\Admin\AppData\Local\Temp\87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe
"C:\Users\Admin\AppData\Local\Temp\87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Users\Admin\AppData\Local\Temp\87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe
  "C:\Users\Admin\AppData\Local\Temp\87da16b9e0f9fc7d74735c59b920dea8460d91f497380aa1a83834b86771b9e2.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nst5A73.tmp

Filesize
2B

MD5
25bc6654798eb508fa0b6343212a74fe

SHA1
15d5e1d3b948fd5986aaff7d9419b5e52c75fc93

SHA256
8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc

SHA512
5868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst5A73.tmp

Filesize
3B

MD5
4e27f2226785e9abbe046fc592668860

SHA1
28b18a7f383131df509f7191f946a32c5a2e410c

SHA256
01a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d

SHA512
2a23585835bdb5db8175cab265566042282841efdcee8aaba8b9b5d466b0f165c0c5973033ce94bb9a8f07a956689247981ea07ac5a51408263e1653d9710adb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst5A73.tmp

Filesize
4B

MD5
cde63b34c142af0a38cbe83791c964f8

SHA1
ece2b194b486118b40ad12c1f0e9425dd0672424

SHA256
65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d

SHA512
0559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst5A73.tmp

Filesize
5B

MD5
e2fecc970546c3418917879fe354826c

SHA1
63f1c1dd01b87704a6b6c99fd9f141e0a3064f16

SHA256
ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0

SHA512
3c4a68cbaee94f986515f43305a0e7620c14c30213d4a17db4a3e8a1b996764eb688bf733f472fc52073c2c80bb5229bb29411d7601aefe1c4370e230c341a0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst5A73.tmp

Filesize
6B

MD5
50484c19f1afdaf3841a0d821ed393d2

SHA1
c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b

SHA256
6923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c

SHA512
d51a20d67571fe70bcd6c36e1382a3c342f42671c710090b75fcfc2405ce24488e03a7131eefe4751d0bd3aeaad816605ad10c8e3258d72fcf379e32416cbf3b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst5A73.tmp

Filesize
7B

MD5
67cfa7364c4cf265b047d87ff2e673ae

SHA1
56e27889277981a9b63fcf5b218744a125bbc2fa

SHA256
639b68bd180b47d542dd001d03557ee2d5b3065c3c783143bc9fb548f3fd7713

SHA512
17f28a136b20b89e9c3a418b08fd8e6fcaac960872dc33b2481af2d872efc44228f420759c57724f5d953c7ba98f2283e2acc7dfe5a58cbf719c6480ec7a648b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst5A73.tmp

Filesize
9B

MD5
2b3884fe02299c565e1c37ee7ef99293

SHA1
d8e2ef2a52083f6df210109fea53860ea227af9c

SHA256
ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858

SHA512
aeb9374a52d0ad99336bfd4ec7bb7c5437b827845b8784d9c21f7d96a931693604689f6adc3ca25fad132a0ad6123013211ff550f427fa86e4f26c122ac6a0fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst5A73.tmp

Filesize
10B

MD5
9a53fc1d7126c5e7c81bb5c15b15537b

SHA1
e2d13e0fa37de4c98f30c728210d6afafbb2b000

SHA256
a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92

SHA512
b0bffbb8072dbdcfc68f0e632f727c08fe3ef936b2ef332c08486553ff2cef7b0bcdb400e421a117e977bb0fac17ce4706a8097e32d558a918433646b6d5f1a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst5A73.tmp

Filesize
11B

MD5
f9e81875c2ac80cd228ff7615d6e6183

SHA1
bc60a68ab8522806b30affd832b5866643ec2031

SHA256
54d26d86b2ebde0a52271df5d2bcc911d881ada35d5716076d0411672f78e7b1

SHA512
6173811b6e692e85ac091f9e53ad9e392dc9853087756dae6907ae45b73704c1084ad64bb9730871b6f7dd16d871dfcf089fcf19746cbee68b783a691937d1d7

Download Submit
C:\Users\Admin\AppData\Local\jazy.lnk

Filesize
934B

MD5
a8d6c1c29158b40d9efcaae6d4da3dff

SHA1
4004abefa8371101115dd4f0062f0595bdf20cb9

SHA256
b2ba3d41436328d03fbaf6de6c4a3fc29d938f36462f4e39b55c2da1e32a0a26

SHA512
f2d4fd79d19164cda43787b75624ffa6802237e678b7b05de6bed806d45602c273461c3964ed7930f177c27a2f99d10232684f85c2fc9e3be691b7f227dc7edc

Download Submit
\Users\Admin\AppData\Local\Temp\nsj5811.tmp\System.dll

Filesize
11KB

MD5
cf85183b87314359488b850f9e97a698

SHA1
6b6c790037eec7ebea4d05590359cb4473f19aea

SHA256
3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac

SHA512
fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

Download Submit
memory/1668-584-0x0000000005B00000-0x00000000088EA000-memory.dmp

Filesize
45.9MB

Download
memory/1668-573-0x0000000077291000-0x0000000077392000-memory.dmp

Filesize
1.0MB

Download
memory/1668-574-0x0000000077290000-0x0000000077439000-memory.dmp

Filesize
1.7MB

Download
memory/1668-575-0x0000000005B00000-0x00000000088EA000-memory.dmp

Filesize
45.9MB

Download
memory/1668-572-0x0000000005B00000-0x00000000088EA000-memory.dmp

Filesize
45.9MB

Download
memory/2740-576-0x0000000001470000-0x000000000425A000-memory.dmp

Filesize
45.9MB

Download
memory/2740-577-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/2740-579-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/2740-581-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/2740-585-0x0000000034840000-0x0000000034890000-memory.dmp

Filesize
320KB

Download
memory/2740-586-0x0000000034B40000-0x0000000034B8E000-memory.dmp

Filesize
312KB

Download
memory/2740-587-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download