agenttesla | d5d4bfaf33f566fb6aad7d7a3b04a75424decc4045ca8c63f4302695e1dd59f2

General

Target

DHLAWB.exe
Size

654KB
MD5

30368a7d1ac4150ffabcceed6899991b
SHA1

fa76923b446997d4401c71982d1c639fcfaf516a
SHA256

d5d4bfaf33f566fb6aad7d7a3b04a75424decc4045ca8c63f4302695e1dd59f2
SHA512

6f30c711e199721a983daa323c6dce4354f37f4a9e08e79b8751db7aa7d45ce51e89b2fc4eae43385f3694ab2d2f3ffff1a1f685855992d759f9e874408ea5d3
SSDEEP

6144:hqK15T5ddSefzWNz9/p75I76lqj+AEW0H8Z8GGRheuUcr/TCnzxfeQmsbJopqeKl:tT9ffzWZ9ho+JWH3uUcr/Y1Jop0qN

Score

10^/10

agenttesla redline collection infostealer keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5635409590:AAHInAR4dWLcsUes3TU8Nj2UQrEubKrXKLs/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detects Redline Stealer samples 2 IoCs

This rule detects the presence of Redline Stealer samples based on their unique strings.

stealer

resource	yara_rule
behavioral2/memory/1012-152-0x00000000050F0000-0x0000000005156000-memory.dmp	redline_stealer
behavioral2/memory/4952-153-0x0000000004D00000-0x0000000005328000-memory.dmp	redline_stealer

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	DHLAWB.exe

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
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHLAWB.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHLAWB.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHLAWB.exe

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
45	api.ipify.org
46	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5000 set thread context of 1012	5000	DHLAWB.exe	91

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
4236	schtasks.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
5000	DHLAWB.exe
4952	powershell.exe
4952	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5000	DHLAWB.exe
Token: SeDebugPrivilege	1012	DHLAWB.exe
Token: SeDebugPrivilege	4952	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 4952	5000	DHLAWB.exe	87
PID 5000 wrote to memory of 4952	5000	DHLAWB.exe	87
PID 5000 wrote to memory of 4952	5000	DHLAWB.exe	87
PID 5000 wrote to memory of 4236	5000	DHLAWB.exe	89
PID 5000 wrote to memory of 4236	5000	DHLAWB.exe	89
PID 5000 wrote to memory of 4236	5000	DHLAWB.exe	89
PID 5000 wrote to memory of 1012	5000	DHLAWB.exe	91
PID 5000 wrote to memory of 1012	5000	DHLAWB.exe	91
PID 5000 wrote to memory of 1012	5000	DHLAWB.exe	91
PID 5000 wrote to memory of 1012	5000	DHLAWB.exe	91
PID 5000 wrote to memory of 1012	5000	DHLAWB.exe	91
PID 5000 wrote to memory of 1012	5000	DHLAWB.exe	91
PID 5000 wrote to memory of 1012	5000	DHLAWB.exe	91
PID 5000 wrote to memory of 1012	5000	DHLAWB.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHLAWB.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHLAWB.exe

C:\Users\Admin\AppData\Local\Temp\DHLAWB.exe
"C:\Users\Admin\AppData\Local\Temp\DHLAWB.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5000
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gOBBtcsDCibQcl.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4952
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gOBBtcsDCibQcl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB3A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4236
- C:\Users\Admin\AppData\Local\Temp\DHLAWB.exe
  "C:\Users\Admin\AppData\Local\Temp\DHLAWB.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1012

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DHLAWB.exe.log

Filesize
1KB

MD5
33d62ef2c354f839a8b2b987e6ee41e7

SHA1
d76f64ac411a61f3f232f7f9f7b179bd34042226

SHA256
f6a84062cb11ccf802324692c2c4c48543377cf717d98efd5de695ed6d0a97d9

SHA512
d68a426b2f4646bb45e2267d60680166a8effb9a461e5a07756ba13a3bdf36b27e6e9777d945d03a62362e6976e92214c53ffc7c4f03ec28d3fcfc9a442c5e3c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2fxcqy55.i3r.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCB3A.tmp

Filesize
1KB

MD5
1032087daa50362b5020036f4e5e83e5

SHA1
a13e807a615f6d92e8cf665edd0e119032afbb89

SHA256
e56d9646d8ca6c0fe55ad27f3f58622233229c16b0be8f387892f1a06d8ee82d

SHA512
64a6f79b091c7dcbee798104b5f186d09bf9dbde56d68f8b9e8b66bc5c78a76ff775d24799ce6a79568e75761509961fce6f11017843e39598d6cca559e34dbe

Download Submit
memory/1012-186-0x0000000006DA0000-0x0000000006DF0000-memory.dmp

Filesize
320KB

Download
memory/1012-169-0x0000000005180000-0x0000000005190000-memory.dmp

Filesize
64KB

Download
memory/1012-152-0x00000000050F0000-0x0000000005156000-memory.dmp

Filesize
408KB

Download
memory/1012-151-0x0000000005180000-0x0000000005190000-memory.dmp

Filesize
64KB

Download
memory/1012-147-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4952-154-0x00000000054A0000-0x00000000054C2000-memory.dmp

Filesize
136KB

Download
memory/4952-167-0x00000000046C0000-0x00000000046D0000-memory.dmp

Filesize
64KB

Download
memory/4952-144-0x00000000046C0000-0x00000000046D0000-memory.dmp

Filesize
64KB

Download
memory/4952-190-0x0000000007190000-0x0000000007226000-memory.dmp

Filesize
600KB

Download
memory/4952-150-0x00000000046C0000-0x00000000046D0000-memory.dmp

Filesize
64KB

Download
memory/4952-189-0x0000000006F60000-0x0000000006F6A000-memory.dmp

Filesize
40KB

Download
memory/4952-188-0x0000000005BE0000-0x0000000005BFA000-memory.dmp

Filesize
104KB

Download
memory/4952-153-0x0000000004D00000-0x0000000005328000-memory.dmp

Filesize
6.2MB

Download
memory/4952-187-0x0000000007540000-0x0000000007BBA000-memory.dmp

Filesize
6.5MB

Download
memory/4952-185-0x000000007F4B0000-0x000000007F4C0000-memory.dmp

Filesize
64KB

Download
memory/4952-160-0x0000000005540000-0x00000000055A6000-memory.dmp

Filesize
408KB

Download
memory/4952-165-0x0000000005520000-0x000000000553E000-memory.dmp

Filesize
120KB

Download
memory/4952-166-0x00000000046C0000-0x00000000046D0000-memory.dmp

Filesize
64KB

Download
memory/4952-145-0x00000000045C0000-0x00000000045F6000-memory.dmp

Filesize
216KB

Download
memory/4952-168-0x00000000046C0000-0x00000000046D0000-memory.dmp

Filesize
64KB

Download
memory/4952-183-0x00000000046C0000-0x00000000046D0000-memory.dmp

Filesize
64KB

Download
memory/4952-170-0x0000000006120000-0x0000000006152000-memory.dmp

Filesize
200KB

Download
memory/4952-171-0x0000000070700000-0x000000007074C000-memory.dmp

Filesize
304KB

Download
memory/4952-181-0x0000000006100000-0x000000000611E000-memory.dmp

Filesize
120KB

Download
memory/4952-182-0x000000007F4B0000-0x000000007F4C0000-memory.dmp

Filesize
64KB

Download
memory/5000-135-0x0000000005240000-0x00000000052D2000-memory.dmp

Filesize
584KB

Download
memory/5000-136-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/5000-133-0x00000000007A0000-0x0000000000848000-memory.dmp

Filesize
672KB

Download
memory/5000-134-0x00000000057F0000-0x0000000005D94000-memory.dmp

Filesize
5.6MB

Download
memory/5000-137-0x0000000005200000-0x000000000520A000-memory.dmp

Filesize
40KB

Download
memory/5000-138-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/5000-139-0x0000000006E80000-0x0000000006F1C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads