guloader | 14b6341a024dfec538f97f5a3b11efbbc056863ea18eefe58822cd81e81ea09d

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-02-2025 06:54

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General

Target

DHLAWBDocument_pdf.exe
Size

696KB
MD5

0aeea57a56be2f86535e0809c6cd55d5
SHA1

3f7e6a4ed823c699c6a18793ed8b18c97c620973
SHA256

14b6341a024dfec538f97f5a3b11efbbc056863ea18eefe58822cd81e81ea09d
SHA512

a68c5af239924f89090e3feec220e0ea1af99a169bbc9c712c43e8154aad754024d830bd58b716f50a245d27dd0f1ca4d44fba217e4b63d3aaea7cc6cca09370
SSDEEP

12288:0Lx0wMMZg3uMgRJv47/qrsm3N1pY+1fgUCytb0OmL2H8tEB2LyO:0LTZgezfvMlmNP1YLZOmq8KALr

Score

10^/10

guloader vipkeylogger discovery downloader keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

https://api.telegram.org/bot8001354238:AAGn34Kjnx6tMx7mYU1z9kHME3Ora_fTuPc/sendMessage?chat_id=5100996224

Signatures

Guloader family
guloader
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
Vipkeylogger family
vipkeylogger

Loads dropped DLL 2 IoCs

pid	Process
2340	DHLAWBDocument_pdf.exe
2340	DHLAWBDocument_pdf.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	drive.google.com
5	drive.google.com

Looks up external IP address via web service 3 IoCs

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

flow	ioc
17	reallyfreegeoip.org
14	checkip.dyndns.org
16	reallyfreegeoip.org

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2684	DHLAWBDocument_pdf.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2340	DHLAWBDocument_pdf.exe
2684	DHLAWBDocument_pdf.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Underlggenes.Hyd	DHLAWBDocument_pdf.exe
File opened for modification	C:\Program Files (x86)\fremdragningerne\Skiltemalere.mat	DHLAWBDocument_pdf.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	DHLAWBDocument_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DHLAWBDocument_pdf.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2684	DHLAWBDocument_pdf.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2340	DHLAWBDocument_pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	DHLAWBDocument_pdf.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2684	2340	DHLAWBDocument_pdf.exe	31
PID 2340 wrote to memory of 2684	2340	DHLAWBDocument_pdf.exe	31
PID 2340 wrote to memory of 2684	2340	DHLAWBDocument_pdf.exe	31
PID 2340 wrote to memory of 2684	2340	DHLAWBDocument_pdf.exe	31
PID 2340 wrote to memory of 2684	2340	DHLAWBDocument_pdf.exe	31

C:\Users\Admin\AppData\Local\Temp\DHLAWBDocument_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHLAWBDocument_pdf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Users\Admin\AppData\Local\Temp\DHLAWBDocument_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\DHLAWBDocument_pdf.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2684

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nseE342.tmp

Filesize
1B

MD5
8ce4b16b22b58894aa86c421e8759df3

SHA1
13fbd79c3d390e5d6585a21e11ff5ec1970cff0c

SHA256
8254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a

SHA512
2af8a9104b3f64ed640d8c7e298d2d480f03a3610cbc2b33474321ec59024a48592ea8545e41e09d5d1108759df48ede0054f225df39d4f0f312450e0aa9dd25

Download Submit
C:\Users\Admin\AppData\Local\Temp\nseE342.tmp

Filesize
2B

MD5
25bc6654798eb508fa0b6343212a74fe

SHA1
15d5e1d3b948fd5986aaff7d9419b5e52c75fc93

SHA256
8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc

SHA512
5868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898

Download Submit
C:\Users\Admin\AppData\Local\Temp\nseE342.tmp

Filesize
3B

MD5
4e27f2226785e9abbe046fc592668860

SHA1
28b18a7f383131df509f7191f946a32c5a2e410c

SHA256
01a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d

SHA512
2a23585835bdb5db8175cab265566042282841efdcee8aaba8b9b5d466b0f165c0c5973033ce94bb9a8f07a956689247981ea07ac5a51408263e1653d9710adb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nseE342.tmp

Filesize
4B

MD5
cde63b34c142af0a38cbe83791c964f8

SHA1
ece2b194b486118b40ad12c1f0e9425dd0672424

SHA256
65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d

SHA512
0559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nseE342.tmp

Filesize
5B

MD5
e2fecc970546c3418917879fe354826c

SHA1
63f1c1dd01b87704a6b6c99fd9f141e0a3064f16

SHA256
ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0

SHA512
3c4a68cbaee94f986515f43305a0e7620c14c30213d4a17db4a3e8a1b996764eb688bf733f472fc52073c2c80bb5229bb29411d7601aefe1c4370e230c341a0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nseE342.tmp

Filesize
6B

MD5
50484c19f1afdaf3841a0d821ed393d2

SHA1
c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b

SHA256
6923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c

SHA512
d51a20d67571fe70bcd6c36e1382a3c342f42671c710090b75fcfc2405ce24488e03a7131eefe4751d0bd3aeaad816605ad10c8e3258d72fcf379e32416cbf3b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nseE342.tmp

Filesize
7B

MD5
67cfa7364c4cf265b047d87ff2e673ae

SHA1
56e27889277981a9b63fcf5b218744a125bbc2fa

SHA256
639b68bd180b47d542dd001d03557ee2d5b3065c3c783143bc9fb548f3fd7713

SHA512
17f28a136b20b89e9c3a418b08fd8e6fcaac960872dc33b2481af2d872efc44228f420759c57724f5d953c7ba98f2283e2acc7dfe5a58cbf719c6480ec7a648b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nseE342.tmp

Filesize
8B

MD5
c3cb69218b85c3260387fb582cb518dd

SHA1
961c892ded09a4cbb5392097bb845ccba65902ad

SHA256
1c329924865741e0222d3ead23072cfbed14f96e2b0432573068eb0640513101

SHA512
2402fffeb89c531db742bf6f5466eee8fe13edf97b8ecfc2cace3522806b322924d1ca81dda25e59b4047b8f40ad11ae9216e0a0d5c7fc6beef4368eb9551422

Download Submit
C:\Users\Admin\AppData\Local\Temp\nseE342.tmp

Filesize
9B

MD5
2b3884fe02299c565e1c37ee7ef99293

SHA1
d8e2ef2a52083f6df210109fea53860ea227af9c

SHA256
ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858

SHA512
aeb9374a52d0ad99336bfd4ec7bb7c5437b827845b8784d9c21f7d96a931693604689f6adc3ca25fad132a0ad6123013211ff550f427fa86e4f26c122ac6a0fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nseE342.tmp

Filesize
10B

MD5
9a53fc1d7126c5e7c81bb5c15b15537b

SHA1
e2d13e0fa37de4c98f30c728210d6afafbb2b000

SHA256
a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92

SHA512
b0bffbb8072dbdcfc68f0e632f727c08fe3ef936b2ef332c08486553ff2cef7b0bcdb400e421a117e977bb0fac17ce4706a8097e32d558a918433646b6d5f1a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nstE43C.tmp

Filesize
33B

MD5
3ad35e1651d29fa2f6dcd7722f5ca36f

SHA1
fb94d43c8fec12db5ea14f5af04c1c4e657202d9

SHA256
ba19c5bc80f1f84e8bddbae4185dfd07c997855b22f9ecffe37f96e4bf0d7517

SHA512
84bf1fc1454252d9fcbf350ddfa041f8656b1d91bb4975b04ba8f2c36294f51e597dedfdd689bca711ea338df4b60826c3339aac3ae611dcb591c3d4e71fcd58

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Helveders.ini

Filesize
38B

MD5
57236e5883ac72789fe46439440c54af

SHA1
ee1bd5cf0b8c44213bc88c09e241eba31a79dc7b

SHA256
23568a0963e32e55958d6e7d442dee234eb8ae8f2bcacd57b30fa6944253e791

SHA512
f43df2ac8a135b97c6a0a228f30298bbb7ca4328eeabae655c3065c979c470c5124ec6ee10f5e681b44b7d627f407a05b49754fcebdbb3542d56bfc77c97115b

Download Submit
C:\Users\Admin\depression.lnk

Filesize
880B

MD5
7788a5f19b518f5fb7fbce3bfbd9cfb8

SHA1
210c5268df1020fe569d4fb12a0d6faa23c0a198

SHA256
ec936f0cfa69c9c53d0d6567950ce417a27a0712a663752f272f3a8df1b6d2cf

SHA512
2fc7ff8153f664258d9b0d97e4ee4c0fb9462bf8339f3fdfee70a9721128e4e2f516ab491456055675f35c340647d2bdb0eade1fd0a8bcef236aaed6d8f365e1

Download Submit
\Users\Admin\AppData\Local\Temp\nstE265.tmp\System.dll

Filesize
11KB

MD5
b8992e497d57001ddf100f9c397fcef5

SHA1
e26ddf101a2ec5027975d2909306457c6f61cfbd

SHA256
98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b

SHA512
8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c

Download Submit
memory/2340-1133-0x0000000077BE0000-0x0000000077D89000-memory.dmp

Filesize
1.7MB

Download
memory/2340-1132-0x0000000077BE1000-0x0000000077CE2000-memory.dmp

Filesize
1.0MB

Download
memory/2340-1131-0x0000000004010000-0x00000000058CF000-memory.dmp

Filesize
24.7MB

Download
memory/2340-1135-0x0000000004010000-0x00000000058CF000-memory.dmp

Filesize
24.7MB

Download
memory/2684-1134-0x00000000014B0000-0x0000000002D6F000-memory.dmp

Filesize
24.7MB

Download
memory/2684-1136-0x0000000077BE0000-0x0000000077D89000-memory.dmp

Filesize
1.7MB

Download
memory/2684-1156-0x0000000000440000-0x00000000014A2000-memory.dmp

Filesize
16.4MB

Download
memory/2684-1157-0x0000000000440000-0x00000000014A2000-memory.dmp

Filesize
16.4MB

Download
memory/2684-1158-0x00000000014B0000-0x0000000002D6F000-memory.dmp

Filesize
24.7MB

Download
memory/2684-1159-0x0000000000440000-0x000000000047C000-memory.dmp

Filesize
240KB

Download