agenttesla | 824651a985e34ad31a02aa31226883fe396f30cdd491f1da1453c5c79dae95fb

Analysis

max time kernel
147s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19-10-2024 02:01

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General

Target

Shipping Documents.exe
Size

1016KB
MD5

d6d14fc73f7e485b864a1dc1d8fde8f9
SHA1

85a6480abc0f54dafff5e4bc2b996e7655f91b2b
SHA256

fff67160a40353338a0eb9ee2acb6cd15de640023ef8a819d6595ef34493757b
SHA512

00a35cbb44902a58349995ac90800a935df7d28e5e81f3fbd786375be29d7b8dbfb974849046590c0f98702c6f21dbca7a40b5130aca80d84a9c44ee0374061c
SSDEEP

12288:m4OpVuMv6/eGOFqi0isX8G2WJHkQ50g/s2QkPICHYA1U+IauB:/g/0yqiwv0f2SCHYAC+I9

Score

10^/10

agenttesla guloader discovery downloader keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.concaribe.com
Port:
21
Username:
[email protected]
Password:
ro}UWgz#!38E

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Loads dropped DLL 2 IoCs

pid	Process
2904	Shipping Documents.exe
2904	Shipping Documents.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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

Looks up external IP address via web service 2 IoCs

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

flow	ioc
5	api.ipify.org
6	api.ipify.org

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\balances.fej	Shipping Documents.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2864	Shipping Documents.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2904	Shipping Documents.exe
2864	Shipping Documents.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 2864	2904	Shipping Documents.exe	29

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\underbeskftiget\luser.ini	Shipping Documents.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\boniterings\Ferskvandsserne.ini	Shipping Documents.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	Shipping Documents.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Shipping Documents.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2904	Shipping Documents.exe
2864	Shipping Documents.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2864	Shipping Documents.exe
2864	Shipping Documents.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2904	Shipping Documents.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	Shipping Documents.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2864	2904	Shipping Documents.exe	29
PID 2904 wrote to memory of 2864	2904	Shipping Documents.exe	29
PID 2904 wrote to memory of 2864	2904	Shipping Documents.exe	29
PID 2904 wrote to memory of 2864	2904	Shipping Documents.exe	29
PID 2904 wrote to memory of 2864	2904	Shipping Documents.exe	29
PID 2904 wrote to memory of 2864	2904	Shipping Documents.exe	29

C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- 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
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsf969A.tmp

Filesize
3B

MD5
4e27f2226785e9abbe046fc592668860

SHA1
28b18a7f383131df509f7191f946a32c5a2e410c

SHA256
01a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d

SHA512
2a23585835bdb5db8175cab265566042282841efdcee8aaba8b9b5d466b0f165c0c5973033ce94bb9a8f07a956689247981ea07ac5a51408263e1653d9710adb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsf969A.tmp

Filesize
4B

MD5
cde63b34c142af0a38cbe83791c964f8

SHA1
ece2b194b486118b40ad12c1f0e9425dd0672424

SHA256
65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d

SHA512
0559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsf969A.tmp

Filesize
5B

MD5
e2fecc970546c3418917879fe354826c

SHA1
63f1c1dd01b87704a6b6c99fd9f141e0a3064f16

SHA256
ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0

SHA512
3c4a68cbaee94f986515f43305a0e7620c14c30213d4a17db4a3e8a1b996764eb688bf733f472fc52073c2c80bb5229bb29411d7601aefe1c4370e230c341a0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsf969A.tmp

Filesize
6B

MD5
50484c19f1afdaf3841a0d821ed393d2

SHA1
c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b

SHA256
6923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c

SHA512
d51a20d67571fe70bcd6c36e1382a3c342f42671c710090b75fcfc2405ce24488e03a7131eefe4751d0bd3aeaad816605ad10c8e3258d72fcf379e32416cbf3b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsf969A.tmp

Filesize
7B

MD5
67cfa7364c4cf265b047d87ff2e673ae

SHA1
56e27889277981a9b63fcf5b218744a125bbc2fa

SHA256
639b68bd180b47d542dd001d03557ee2d5b3065c3c783143bc9fb548f3fd7713

SHA512
17f28a136b20b89e9c3a418b08fd8e6fcaac960872dc33b2481af2d872efc44228f420759c57724f5d953c7ba98f2283e2acc7dfe5a58cbf719c6480ec7a648b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsf969A.tmp

Filesize
8B

MD5
c3cb69218b85c3260387fb582cb518dd

SHA1
961c892ded09a4cbb5392097bb845ccba65902ad

SHA256
1c329924865741e0222d3ead23072cfbed14f96e2b0432573068eb0640513101

SHA512
2402fffeb89c531db742bf6f5466eee8fe13edf97b8ecfc2cace3522806b322924d1ca81dda25e59b4047b8f40ad11ae9216e0a0d5c7fc6beef4368eb9551422

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsf969A.tmp

Filesize
9B

MD5
2b3884fe02299c565e1c37ee7ef99293

SHA1
d8e2ef2a52083f6df210109fea53860ea227af9c

SHA256
ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858

SHA512
aeb9374a52d0ad99336bfd4ec7bb7c5437b827845b8784d9c21f7d96a931693604689f6adc3ca25fad132a0ad6123013211ff550f427fa86e4f26c122ac6a0fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsf969A.tmp

Filesize
10B

MD5
9a53fc1d7126c5e7c81bb5c15b15537b

SHA1
e2d13e0fa37de4c98f30c728210d6afafbb2b000

SHA256
a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92

SHA512
b0bffbb8072dbdcfc68f0e632f727c08fe3ef936b2ef332c08486553ff2cef7b0bcdb400e421a117e977bb0fac17ce4706a8097e32d558a918433646b6d5f1a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu960C.tmp

Filesize
2B

MD5
25bc6654798eb508fa0b6343212a74fe

SHA1
15d5e1d3b948fd5986aaff7d9419b5e52c75fc93

SHA256
8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc

SHA512
5868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz94A2.tmp

Filesize
35B

MD5
6308721206dbe8d1a8268f3c1b0aea1c

SHA1
8e2d87577161a86714c59df837fc0d5aac0bab5a

SHA256
65dd548600ae0d7d0fd7e126181efd7667b5d02c1ece19742c66ab4f31155c91

SHA512
51d2736cfc59466feb145ade821da741f9d10617c1a358465f49f06f9f1c1246a23cef4f63b6a423f380453d02cbb01d50d75dc5c0f6b11d4f85bf94cdba303d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\barleybird.ini

Filesize
36B

MD5
aaec21587703506dff20363c6402f5c6

SHA1
d8995f3e0a6ac0ee4b0047e7301cd0f4e838ae9c

SHA256
10b7f20c1b7dd887624c1520bce6c531a5aa50cc9c8204bd277c2f7cccc39bc7

SHA512
d510c9ec8d02272d3112e89ae4a17d17442e5bd62d1cf3cc58526df2bb706f5e0e0be09cfdf775567564ff26a826570dc2d08e2a7439aed8924109f110386010

Download Submit
\Users\Admin\AppData\Local\Temp\nsu956E.tmp\System.dll

Filesize
11KB

MD5
3f176d1ee13b0d7d6bd92e1c7a0b9bae

SHA1
fe582246792774c2c9dd15639ffa0aca90d6fd0b

SHA256
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

SHA512
0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

Download Submit
memory/2864-849-0x0000000077910000-0x0000000077AB9000-memory.dmp

Filesize
1.7MB

Download
memory/2864-850-0x0000000000820000-0x0000000001882000-memory.dmp

Filesize
16.4MB

Download
memory/2864-851-0x0000000000820000-0x0000000000862000-memory.dmp

Filesize
264KB

Download
memory/2904-845-0x0000000003960000-0x0000000006242000-memory.dmp

Filesize
40.9MB

Download
memory/2904-846-0x0000000077911000-0x0000000077A12000-memory.dmp

Filesize
1.0MB

Download
memory/2904-847-0x0000000077910000-0x0000000077AB9000-memory.dmp

Filesize
1.7MB

Download
memory/2904-848-0x0000000003960000-0x0000000006242000-memory.dmp

Filesize
40.9MB

Download